#micropile grouting method

[screwpilingnewcastle]

Why Bored Piles Are the Best Type of Foundation?

What Is A Bored Pile?

What is the Difference Between Micropile and Bored Pile?

A bored pile is a foundation created by drilling a hole into the ground and filling it with concrete. A micropile, on the other hand, is a type of foundation that is created by injecting grout into the ground.

The main difference between the two types of foundations lies in their method of construction. Bored piles are constructed by drilling a hole into the ground, while micropiles are constructed by injecting grout into the ground. Both have their advantages and disadvantages.

Bored piles are typically used in cases where there is too much water in the soil to allow for proper compaction of the soil around the pile. This can happen in areas with high water tables or in areas that are prone to flooding. The advantage of bored piles is that they can be constructed in a relatively short amount of time. The disadvantage of bored piles is that they are more expensive than micropiles.

Micropiles are typically used in cases where there is not enough space to drill a hole for a bored pile. Micropiles can also be used in cases where the soil is too soft to support the weight of a bored pile. The advantage of micropiles is that they are less expensive than bored piles. The disadvantage of micropiles is that they can take longer to construct.

So, what’s the difference between micropile and bored pile? Bored piles are constructed by drilling a hole into the ground, while micropiles are constructed by injecting grout into the ground. Micropiles are typically less expensive than bored piles, but they can take longer to construct.

Do you need help deciding which type of foundation is right for your project? Contact local piling contractors to discuss your options.

What are the Advantages of Using Bored Piles

Bored piles are one of the most popular methods for creating foundation piers. They offer many advantages over other methods, including:

Greater accuracy: bored piles can be created with much greater accuracy than other methods, making them ideal for supporting structures requiring high stability.

Greater load-bearing capacity: bored piles have a greater load-bearing capacity than other types of foundation piers, making them ideal for supporting heavier structures.

Increased resistance to seismic activity: bored piles are less likely to be damaged during earthquakes or other seismic activity due to their increased resistance.

Increased resistance to scour: bored piles are less likely to be damaged or dislodged by flooding or other water damage due to their increased resistance.

Greater flexibility: bored piles can be installed in a wide variety of soil conditions and locations, making them ideal for use in a variety of projects.

Reduced environmental impact: bored piles cause less disturbance to the surrounding environment than other methods, making them a more environmentally friendly option.

If you need a strong and stable foundation for your building or structure, you should consider using bored piles. Bored piles provide many benefits over other types of deep foundations, such as being less expensive and faster to install. Contact us on screw piling central coast today to learn more about how bored piles can benefit your project.

[llaksj]

Unearth with Caution: The Art of Safe Digging in Construction

Introduction: Navigating the Subsurface Challenges

Excavation is a cornerstone of construction, allowing builders to create foundations, install utilities, and shape the built environment. However, the process of digging beneath the surface comes with inherent risks, demanding a delicate balance between progress and safety. This comprehensive guide explores the art of safe digging in construction, emphasizing the critical importance of precautions and methodologies to ensure the well-being of workers and the integrity of existing infrastructure.

1. The Importance of Safe Digging Practices

Safety is paramount in construction, and excavation introduces a unique set of challenges that must be addressed with precision. Unsafe digging practices can lead to accidents, damage to underground utilities, and costly delays. Recognizing the importance of safe digging is not only a legal and ethical obligation but also a strategic imperative for construction projects aiming for efficiency and success.

2. Understanding Subsurface Challenges

a. Mapping Underground Utilities: One of the primary challenges in safe digging is the presence of underground utilities. Gas lines, electrical cables, water pipes, and telecommunication cables crisscross beneath the surface, creating a complex network that must be accurately mapped before excavation. Failing to do so can result in catastrophic consequences.

b. Soil Conditions and Stability: The type of soil and its stability play a crucial role in excavation safety. Unstable soil can lead to collapses, posing significant risks to workers and nearby structures. Understanding soil conditions and implementing appropriate shoring and support systems is vital for safe digging.

c. Adjacent Structures: Proximity to existing structures introduces additional challenges. Excavation near buildings or other infrastructure requires careful planning to prevent subsidence or damage. The art of safe digging involves assessing the impact on adjacent structures and implementing measures to mitigate potential risks.

3. Precautionary Measures: Building a Foundation of Safety

a. Utility Locating and Mapping: Before any excavation begins, utility locating and mapping are essential steps. Utilizing modern technologies such as ground-penetrating radar and electromagnetic locators, construction teams can accurately identify the location of underground utilities, minimizing the risk of accidental damage during digging.

b. Site Surveys and Geotechnical Analysis: Conducting comprehensive site surveys and geotechnical analysis helps assess soil conditions and stability. This information informs the design of appropriate excavation support systems, such as shoring, underpinning, or soil stabilization techniques, ensuring a safe working environment.

c. Communication and Coordination: Effective communication and coordination among all stakeholders are critical for safe digging. Construction teams, utility companies, and local authorities must collaborate to share information, coordinate excavation schedules, and implement safety measures. Regular updates and clear communication protocols contribute to a safer work environment.

4. Shoring and Support Systems: Reinforcing Safety

a. Trench Shoring: In excavations where trenches are required, shoring systems provide critical support to prevent soil collapse. Various shoring techniques, including hydraulic shoring, slide rail systems, and trench boxes, are employed based on the specific requirements of the project and soil conditions.

b. Underpinning: Excavations near existing structures may necessitate underpinning to reinforce foundations and maintain structural stability. Underpinning methods, such as micropiles, jet grouting, or concrete underpinning, are employed to safeguard adjacent structures during excavation.

c. Slope Stabilization: In areas with sloping terrain, slope stabilization measures are implemented to prevent soil erosion and landslides during excavation. Techniques such as soil nailing, retaining walls, and erosion control systems contribute to the stability of the excavation site.

5. Technological Advancements: Enhancing Safety in Excavation

a. Remote Sensing Technologies: Advances in remote sensing technologies, including LiDAR and satellite imagery, have enhanced the accuracy of subsurface mapping. These technologies provide detailed information about the topography and existing utilities, aiding in the development of precise excavation plans.

b. Real-Time Monitoring Systems: Real-time monitoring systems offer continuous surveillance of excavation sites. These systems can detect ground movement, changes in soil conditions, and potential risks, allowing for immediate response to emerging safety concerns.

c. Trenchless Excavation Techniques: Trenchless excavation techniques, such as horizontal directional drilling (HDD) and pipe ramming, minimize surface disruption and reduce the need for extensive digging. These methods not only enhance safety by avoiding open trenches but also contribute to efficient and cost-effective construction.

6. Training and Education: Cultivating a Safety Culture

The art of safe digging extends beyond technology and methodologies—it encompasses the people involved. Training and education are essential components of cultivating a safety culture in construction. Workers must be equipped with the knowledge and skills to identify and respond to potential hazards, emphasizing the importance of a collaborative and vigilant approach to safety.

Conclusion: Excavating a Future of Safety and Progress

In conclusion, safe digging is an art that blends precaution, technology, and expertise to navigate the complexities of subsurface challenges. As the construction industry evolves, the emphasis on safety becomes increasingly integral to project success. By understanding subsurface conditions, implementing precautionary measures, leveraging technological advancements, and fostering a culture of safety through education and training, construction projects can unearth progress while ensuring the well-being of workers and the longevity of existing infrastructure. The art of safe digging is not merely a necessity; it is a commitment to constructing a future where progress and safety go hand in hand beneath the surface of urban development.

[classywinnerdragon]

Solar Loading Firm Understandings, Tech Pile, And Also Competitors

Constantly seeking to introduce we have, in collaboration with City University, London, also presented as well as effectively trialled hollow piles which offer a number of sustainability benefits. Mainly made use of for huge public, commercial as well as commercial developments in addition to transport infrastructure tasks, we are among the biggest specialists in this area. We have specialist knowledge in providing large, intricate as well as technically tough projects. Wood floors can be changed with strong concrete floorings which can be left at a decreased level to help with the installment of insulation or the stipulation of an underfloor furnace.

Micropiles are tiny size, typically much less than 300mm size, components that are pierced and also grouted in position. They typically get their capability from skin rubbing alongside the component, yet can be end bearing in acid rock as well. Micropiles are normally heavily enhanced with steel consisting of more than 40% of their cross section. They can be utilized as direct architectural assistance or as ground reinforcement aspects.

Estate Structure Loading Jobs Zyc240 Zyc700 T-works Mini Stack Vehicle Driver

Mini loading are fit to locations that are difficult to gain access to or have limited head area for installation tools. Our driven mini stacking supports new construction, developing enhancements as well as commercial growth jobs. An augercast pile, often known as a continual trip augering stack, is developed by piercing into the ground with a hollow stemmed constant flight auger to the Trusted piling contractors: Vxcel Piling called for deepness or degree of resistance.

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Re-using existing piles can result in set you back financial savings as well as reduction in program as well as reducing the ecological effect of a task. Strenuous screening is carried out to ensure that the heap is trustworthy and also can be re-used. Enlarged heads are an add-on to precast as well as CFA stacks that spread the load of a structure or embankment over a better area. This guarantees that raised loads can be put on the piles without the threat of the stack penetrating the slab or geo-membrane.

Driven Structures

Shaken stone columns are a ground enhancement method where columns of crude accumulation are put in soils with bad drainage or bearing ability to improve the dirts. In high latitudes where the ground is continuously icy, adfreeze piles are used as the key architectural structure method. The horizontal planet stress are focused on the soldier stacks because of their family member rigidity contrasted to the lagging. Soil motion as well as subsidence is decreased by maintaining the lagging in strong contact with the soil. A lot of installments can be finished in much less than a week, getting your job back on course. Generally, a single-storey expansion determining 6.0 m by 3.0 m using driven piles, can be completed within 2 to 3 days.

Deep foundations can be constructed out of hardwood, steel, strengthened concrete or prestressed concrete.

Their usage is also limited in houses in many nations.

After carrying out the initial tremie grouting, a stress grouting is adhered to concurrently with the training of the casing from the bond area.

[spargeoinfra]

Shotcrete Technology | Spar Geo Infra

Shotcrete is a process in which mortar or concrete is conveyed through a hose and applied pneumatically. The sprayed material when applied to the surface, fills the cracks and fissures, provide resistance to loose material from slope from falling. Shotcrete serve as protective layer on the slope surface as well as provide resistance against the failure when used with anchoring support systems. This helps in achieving high strength and low permeability.

The shotcreting process is carried out form the base of slope to upwards so as to reduce rebound rate during the application of shotcrete on the surface. The stabilization scheme for stabilization of slope using shotcrete can be designed and used with or without steel mesh. Design of shotcrete depends upon the purpose of project, design life, rock/soil strata.

There are two types of Shotcrete:

1. Dry-Mix 2. Wet-Mix

Dry-Mix Shotcrete The cementing material and aggregate are mixed in proper proportions, bagged in a dry condition and are transported right to a pneumatically operated gun to deliver a continuous flow of material through the supply hose to the nozzle. The nozzle’s interior is fitted with a water ring which uniformly injects water into the mixture as it is being discharged from the nozzle over the receiving surface.

Wet-Mix Shotcrete

The cementing material, aggregate, water and admixtures are properly mixed similar to what is done for conventional concrete. The mixture of material is supplied to the delivery equipment, like a concrete pump, which pushes the mixture through the delivery hose by positive displacement or by compressed air. Supplementary air is added at the nozzle to escalate the nozzle discharge velocity.

Advantages: Little or no framework required. Cost effective method. Ideal for irregular surface application. Material handling is easier. Excellent corrosion resistance.

For more visit: https://www.spargrp.com/shotcrete/

[ienajah]

جدول البيانات هو تطبيق كمبيوتر يحاكي ورقة العمل ��ستخدم في حل المشكلات المتعلقة بالهندسة. من بين الميزات القوية لجداول البيانات هيكلها الغريزي القائم على الخلايا وقدرات الاستخدام السهلة. يعد Excel ، على سبيل المثال ، جدول بيانات قويًا يتمتع بقدرات البرمجة القوية VBA التي يمكن أن تكون أداة فعالة لتدريس مفاهيم الهندسة المدنية. يمكن لجداول البيانات إجراء العمليات الحسابية الأساسية مثل تقديرات التكلفة ، والجدول الزمني ومراقبة التكاليف ، وتقدير العلامات ، وكذلك الحسابات الهيكلية للتفاعلات ، والإجهادات ، والسلالات ، والانحرافات ، والمنحدرات. يمكن لجداول البيانات حل المشكلات المعقدة وإنشاء مخططات ورسوم بيانية وإنشاء تقارير مفيدة. تسلط هذه الورقة الضوء على استخدام جدول بيانات Excel و VBA في تدريس مفاهيم الهندسة المدنية وإنشاء تطبيقات مفيدة.

وظائف الملفات اكثر من 1 جيجا من جداول البيانات وملفات حسابات الاكسل

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Finite Element Method (FEM) Spreadsheets 2D Frame Analysis Beam Analysis with FEM Bolt Connection Analysis with FEM ExcelFEM_ 2D (for Excel 2003) Excel FEM_ 2D (for Excel 2007 & Excel 2010) Exc eIFEM_ 3D (for Excel 2003) ExceIFEM_3D (for Excel 2007 & Excel 2010) Truss Analysis with FEM

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[infozealdigital]

Why Pilling Techniques In Australia Are Important.

Piling is mainly the support that is needed for any structure and thus is considered as the very basis of every construction project. There are different piling techniques to ensure that foundations are deep-set into the ground for stability. 

Since piling involves inserting large amounts of concrete, steel, or wood into the soil, safe and environmentally friendly techniques must be considered to avoid harming the earth and the environment in the long run. As such, it is essential to opt for pilling in Australia since the procedure is eco-friendly and safe piling techniques are applied.

Piling specialists available in Australia are always on the lookout for eco-friendly methods and materials that can ensure a sturdy and safe solution for both the earth and your structure. The use of an auger cast or CFA pile is one eco-friendly piling technique that involves drilling into the ground with a hollow-stemmed and continuous flight auger, without any casing. 

The cement grout mix is pumped down the auger's stem, and as the grout is pumped, the drill is slowly removed to transport the soil upward along with flights. The result is a shaft of fluid cement grout that arises to ground level. Reinforcement may be placed to support any load or weight through tripod piles, micro piles, soldier piles, suction piles, and sheet piles, depending on the architectural or infrastructure concept of the project.

Driven piles are known to be environmentally friendly, too. They are slender and long columns that offer support for effective resistance forces. Look for groundworks and piling specialists in Australia who can craft the driven piles into predetermined sizes and shapes, so they can be physically inspected before or during installation, which is possible via vibrating, impact hammering, or by simply pushing them into the soil.

 Environmentally friendly driven piles are made of natural materials that conform to the standards of ASTM. When manufacturing them, their quality must be consistent throughout the first to the last pile.

Importance of pilling techniques in Australia:

    • Saves the environment- Eco-friendly piling techniques will help in saving the surrounding.

    • They can help you save money in the long run, too. Driven piles, for instance, are usually cost-effective since you pay only for what you need without any hidden costs and surprise expenses related to clean-up. 

    • Installations typically do not produce spoils, so you do not have to worry about the disposal of contaminated or hazardous materials.

    • Ensures a sturdy foundation through the installation of heavy posts in the subsurface.

There are different types of deep foundation piling in Australia, and the micropile is one of them. They are deep foundations built with heavy-duty steel casings and threaded bars that are small.

The casing is installed using specialized drilling equipment and method. An all-thread bar serves as reinforcing steel in mini piling, and it is usually inserted in the micropile casing. 

In conclusion, opt for the pilling available in Australia since great techniques are applied during the process. This not only provides a sturdy foundation but also saves the environment through eco-friendly methods.

[jacewilliams1]

Factory Firm Foundations: The Use of Micropiles in Machine Installation

It’s a difficult decision: should I repair the broken machine in my factory or replace it? It really needs to be replaced, but I can’t afford the downtime. Besides, I don’t want to mess with the entire foundation or damage any of the other machines around it. Read on to find out how micropiles are the solution!

  Our goal at TEI is to utilize new technologies to create stronger, safer foundations worldwide – including our own. At our 28,000 square foot facility in beautiful Montrose, Colorado, our process is ISO 9001:2015 certified and we do everything by the book – except think. When it comes to thinking, brainstorming, coming up with innovative ideas, we throw the book away completely. Our engineers are continually finding creative and efficient new ways to solve old problems.

 TEI rock drills are highly regarded and sought-after all over the world for a variety of complex and interesting projects. Brokk’s demolition robots fitted with our TE160 hydraulic drifters help to reduce operator fatigue and allow access to tightly confined spaces, for example. Our equipment has been used to install ground loops for geothermal heat pumps, and for various applications by the US Military. TEI rock drills were used in the creation of the Solana Solar Generation Plant in Arizona, the Panama Canal expansion project, and the ongoing construction of Crazy Horse Monument in South Dakota. Not to mention thousands of road construction, building construction, demolition, tunneling, mining, and rock quarry projects from Canada to New Zealand since we built our first drill in 1980.

 But what does a company like TEI do when we need to work on our own foundation? Who doctors the doctor? Who teaches the teacher?

 A few years ago, when a CNC (Computer Numerical Control) machine in our factory needed to be replaced, we knew the best way to ensure a solid foundation was by using our own equipment to install micropiles. It worked so well that we’ve done it five times since, and plan on doing so again.

 We rely on CNC machines, such as milling machines and lathes, to accurately and efficiently assist in creating our powerful precision drills. These machines can weigh in excess of 30,000 pounds and are in motion much of the time – motion that can potentially vibrate the machine out of place if installed incorrectly. An unsuitable foundation is guaranteed to cause leveling and alignment issues, rapidly deteriorate spindle bearings, ball screws, and other machine parts as well as overall machine life, and contribute to final product inaccuracy.

 The necessity to replace our machinery comes around often, as we upgrade our equipment quite regularly. Most recently, we purchased a CMM, or Coordinate Measuring Machine, for purposes of quality control. This big, heavy machine needs to be installed according to very exact specifications in order to ensure its accuracy. Depending on who you ask, there are a few different options for doing this in a pre-existing space.

 The most widely-used option would be to completely gut the floor structure and then pour a very thick (think feet – not inches) layer of concrete. This can take a few days, and in a factory setting where time is money, this is an expensive option. You also run the risk of the concrete moving or cracking; even the smallest air pocket can lead to disaster. This is often countered with the addition of a large steel plate or several smaller ones to spread the load, but steel slides on steel and will create more problems over time.

 Installing micropiles in this situation will alleviate all of these issues. It’s quick and unobtrusive. Downtime is minimal. And your foundation will last for many years without breaking down.

 “Cement can move, piles will stay,” says Bob Foreman, TEI’s Service Manager. “The key is to figure out exactly where the feet of the machine will sit and put piles in those strategic locations. Then you don’t end up with a great deal of stress on just a little bit of surface of the cement.”

 Micropiles – sometimes referred to as minipiles, pin piles, needle piles, and root piles – are extremely durable elements used in the construction and maintenance of deep foundations for many structures, and to prevent or control ground degradation due to normal wear-and-tear as well as disturbances such as earthquakes and landslides.

 Composed of high-strength, small-diameter steel casing and/or threaded bar, rebar, and grout, micropiles can range in diameter from 3-12 inches, extend to depths of 200 feet, and achieve compressive capacities of over 500 tons depending upon the size used and the soil profile.

 For the majority of building and repair projects, conditions are not ideal. Often, soil is not just soil: it’s mixed with construction debris or contains many different sizes and types of rock. Dense layers can be found over thinner, weaker layers. If other structures are close by, the ground may be unstable, or access could be limited. In these and other variable conditions, micropiles are a cost-effective solution to strengthen a deteriorating foundation or lay a new one.

 There are different kinds of piles suited for specific needs. Generally, an all-thread reinforcing bar is inserted into the micropile casing and then cement grout is pumped inside while drilling. This simultaneous drilling and grouting technique, called the injection bored method, is unique in that smaller equipment can be used, often at lower cost, and access to tighter working spaces is possible.

 The finished micropile enhances stability by transferring the load to more competent ground, or in rocky areas, to the rock itself. It’s much quicker and quieter than other techniques, it is completely vertical and therefore less obtrusive, and it’s adaptable to many different kinds of equipment.

 “Micropiles have allowed us to place and replace our machinery without constantly having to modify our building’s foundation,” shares Glenn Patterson, TEI’s Vice President and International Sales Manager. “Different load sizes are required for the various sizes of machines used in manufacturing. Exclusively using the hollow bar injection method means we are able to design each set of piles specific to each individual machine and allows us to keep our factory operational during the installation process.”

 Correct installation is every bit as critical as correct selection of machines for your factory or machine shop, whether you’re building a brand-new facility or retrofitting an old one. For a machine to perform successfully, the foundation on which it rests must be precise. There can be no compromises. As you can see, installing micropiles with TEI drills is the best way to do this.

  The post Factory Firm Foundations: The Use of Micropiles in Machine Installation appeared first on TEI Rock Drills.

from https://teirockdrills.com/micropiles-factory-firm-foundations/

from Engineering Blog http://teirockdrills1.weebly.com/blog/factory-firm-foundations-the-use-of-micropiles-in-machine-installation

[frankmiller1]

Factory Firm Foundations: The Use of Micropiles in Machine Installation

It’s a difficult decision: should I repair the broken machine in my factory or replace it? It really needs to be replaced, but I can’t afford the downtime. Besides, I don’t want to mess with the entire foundation or damage any of the other machines around it. Read on to find out how micropiles are the solution!

  Our goal at TEI is to utilize new technologies to create stronger, safer foundations worldwide – including our own. At our 28,000 square foot facility in beautiful Montrose, Colorado, our process is ISO 9001:2015 certified and we do everything by the book – except think. When it comes to thinking, brainstorming, coming up with innovative ideas, we throw the book away completely. Our engineers are continually finding creative and efficient new ways to solve old problems.

 TEI rock drills are highly regarded and sought-after all over the world for a variety of complex and interesting projects. Brokk’s demolition robots fitted with our TE160 hydraulic drifters help to reduce operator fatigue and allow access to tightly confined spaces, for example. Our equipment has been used to install ground loops for geothermal heat pumps, and for various applications by the US Military. TEI rock drills were used in the creation of the Solana Solar Generation Plant in Arizona, the Panama Canal expansion project, and the ongoing construction of Crazy Horse Monument in South Dakota. Not to mention thousands of road construction, building construction, demolition, tunneling, mining, and rock quarry projects from Canada to New Zealand since we built our first drill in 1980.

 But what does a company like TEI do when we need to work on our own foundation? Who doctors the doctor? Who teaches the teacher?

 A few years ago, when a CNC (Computer Numerical Control) machine in our factory needed to be replaced, we knew the best way to ensure a solid foundation was by using our own equipment to install micropiles. It worked so well that we’ve done it five times since, and plan on doing so again.

 We rely on CNC machines, such as milling machines and lathes, to accurately and efficiently assist in creating our powerful precision drills. These machines can weigh in excess of 30,000 pounds and are in motion much of the time – motion that can potentially vibrate the machine out of place if installed incorrectly. An unsuitable foundation is guaranteed to cause leveling and alignment issues, rapidly deteriorate spindle bearings, ball screws, and other machine parts as well as overall machine life, and contribute to final product inaccuracy.

 The necessity to replace our machinery comes around often, as we upgrade our equipment quite regularly. Most recently, we purchased a CMM, or Coordinate Measuring Machine, for purposes of quality control. This big, heavy machine needs to be installed according to very exact specifications in order to ensure its accuracy. Depending on who you ask, there are a few different options for doing this in a pre-existing space.

 The most widely-used option would be to completely gut the floor structure and then pour a very thick (think feet – not inches) layer of concrete. This can take a few days, and in a factory setting where time is money, this is an expensive option. You also run the risk of the concrete moving or cracking; even the smallest air pocket can lead to disaster. This is often countered with the addition of a large steel plate or several smaller ones to spread the load, but steel slides on steel and will create more problems over time.

 Installing micropiles in this situation will alleviate all of these issues. It’s quick and unobtrusive. Downtime is minimal. And your foundation will last for many years without breaking down.

 “Cement can move, piles will stay,” says Bob Foreman, TEI’s Service Manager. “The key is to figure out exactly where the feet of the machine will sit and put piles in those strategic locations. Then you don’t end up with a great deal of stress on just a little bit of surface of the cement.”

 Micropiles – sometimes referred to as minipiles, pin piles, needle piles, and root piles – are extremely durable elements used in the construction and maintenance of deep foundations for many structures, and to prevent or control ground degradation due to normal wear-and-tear as well as disturbances such as earthquakes and landslides.

 Composed of high-strength, small-diameter steel casing and/or threaded bar, rebar, and grout, micropiles can range in diameter from 3-12 inches, extend to depths of 200 feet, and achieve compressive capacities of over 500 tons depending upon the size used and the soil profile.

 For the majority of building and repair projects, conditions are not ideal. Often, soil is not just soil: it’s mixed with construction debris or contains many different sizes and types of rock. Dense layers can be found over thinner, weaker layers. If other structures are close by, the ground may be unstable, or access could be limited. In these and other variable conditions, micropiles are a cost-effective solution to strengthen a deteriorating foundation or lay a new one.

 There are different kinds of piles suited for specific needs. Generally, an all-thread reinforcing bar is inserted into the micropile casing and then cement grout is pumped inside while drilling. This simultaneous drilling and grouting technique, called the injection bored method, is unique in that smaller equipment can be used, often at lower cost, and access to tighter working spaces is possible.

 The finished micropile enhances stability by transferring the load to more competent ground, or in rocky areas, to the rock itself. It’s much quicker and quieter than other techniques, it is completely vertical and therefore less obtrusive, and it’s adaptable to many different kinds of equipment.

 “Micropiles have allowed us to place and replace our machinery without constantly having to modify our building’s foundation,” shares Glenn Patterson, TEI’s Vice President and International Sales Manager. “Different load sizes are required for the various sizes of machines used in manufacturing. Exclusively using the hollow bar injection method means we are able to design each set of piles specific to each individual machine and allows us to keep our factory operational during the installation process.”

 Correct installation is every bit as critical as correct selection of machines for your factory or machine shop, whether you’re building a brand-new facility or retrofitting an old one. For a machine to perform successfully, the foundation on which it rests must be precise. There can be no compromises. As you can see, installing micropiles with TEI drills is the best way to do this.

  The post Factory Firm Foundations: The Use of Micropiles in Machine Installation appeared first on TEI Rock Drills.

source https://teirockdrills.com/micropiles-factory-firm-foundations/ from Engineering https://teirockdrills.blogspot.com/2019/03/factory-firm-foundations-use-of.html

[teirockdrills1]

Factory Firm Foundations: The Use of Micropiles in Machine Installation

It’s a difficult decision: should I repair the broken machine in my factory or replace it? It really needs to be replaced, but I can’t afford the downtime. Besides, I don’t want to mess with the entire foundation or damage any of the other machines around it. Read on to find out how micropiles are the solution!

    Our goal at TEI is to utilize new technologies to create stronger, safer foundations worldwide – including our own. At our 28,000 square foot facility in beautiful Montrose, Colorado, our process is ISO 9001:2015 certified and we do everything by the book – except think. When it comes to thinking, brainstorming, coming up with innovative ideas, we throw the book away completely. Our engineers are continually finding creative and efficient new ways to solve old problems.

  TEI rock drills are highly regarded and sought-after all over the world for a variety of complex and interesting projects. Brokk’s demolition robots fitted with our TE160 hydraulic drifters help to reduce operator fatigue and allow access to tightly confined spaces, for example. Our equipment has been used to install ground loops for geothermal heat pumps, and for various applications by the US Military. TEI rock drills were used in the creation of the Solana Solar Generation Plant in Arizona, the Panama Canal expansion project, and the ongoing construction of Crazy Horse Monument in South Dakota. Not to mention thousands of road construction, building construction, demolition, tunneling, mining, and rock quarry projects from Canada to New Zealand since we built our first drill in 1980.

  But what does a company like TEI do when we need to work on our own foundation? Who doctors the doctor? Who teaches the teacher?

  A few years ago, when a CNC (Computer Numerical Control) machine in our factory needed to be replaced, we knew the best way to ensure a solid foundation was by using our own equipment to install micropiles. It worked so well that we’ve done it five times since, and plan on doing so again.

  We rely on CNC machines, such as milling machines and lathes, to accurately and efficiently assist in creating our powerful precision drills. These machines can weigh in excess of 30,000 pounds and are in motion much of the time – motion that can potentially vibrate the machine out of place if installed incorrectly. An unsuitable foundation is guaranteed to cause leveling and alignment issues, rapidly deteriorate spindle bearings, ball screws, and other machine parts as well as overall machine life, and contribute to final product inaccuracy.

  The necessity to replace our machinery comes around often, as we upgrade our equipment quite regularly. Most recently, we purchased a CMM, or Coordinate Measuring Machine, for purposes of quality control. This big, heavy machine needs to be installed according to very exact specifications in order to ensure its accuracy. Depending on who you ask, there are a few different options for doing this in a pre-existing space.

  The most widely-used option would be to completely gut the floor structure and then pour a very thick (think feet – not inches) layer of concrete. This can take a few days, and in a factory setting where time is money, this is an expensive option. You also run the risk of the concrete moving or cracking; even the smallest air pocket can lead to disaster. This is often countered with the addition of a large steel plate or several smaller ones to spread the load, but steel slides on steel and will create more problems over time.

  Installing micropiles in this situation will alleviate all of these issues. It’s quick and unobtrusive. Downtime is minimal. And your foundation will last for many years without breaking down.

  “Cement can move, piles will stay,” says Bob Foreman, TEI’s Service Manager. “The key is to figure out exactly where the feet of the machine will sit and put piles in those strategic locations. Then you don’t end up with a great deal of stress on just a little bit of surface of the cement.”

  Micropiles – sometimes referred to as minipiles, pin piles, needle piles, and root piles – are extremely durable elements used in the construction and maintenance of deep foundations for many structures, and to prevent or control ground degradation due to normal wear-and-tear as well as disturbances such as earthquakes and landslides.

  Composed of high-strength, small-diameter steel casing and/or threaded bar, rebar, and grout, micropiles can range in diameter from 3-12 inches, extend to depths of 200 feet, and achieve compressive capacities of over 500 tons depending upon the size used and the soil profile.

  For the majority of building and repair projects, conditions are not ideal. Often, soil is not just soil: it’s mixed with construction debris or contains many different sizes and types of rock. Dense layers can be found over thinner, weaker layers. If other structures are close by, the ground may be unstable, or access could be limited. In these and other variable conditions, micropiles are a cost-effective solution to strengthen a deteriorating foundation or lay a new one.

  There are different kinds of piles suited for specific needs. Generally, an all-thread reinforcing bar is inserted into the micropile casing and then cement grout is pumped inside while drilling. This simultaneous drilling and grouting technique, called the injection bored method, is unique in that smaller equipment can be used, often at lower cost, and access to tighter working spaces is possible.

  The finished micropile enhances stability by transferring the load to more competent ground, or in rocky areas, to the rock itself. It’s much quicker and quieter than other techniques, it is completely vertical and therefore less obtrusive, and it’s adaptable to many different kinds of equipment.

  “Micropiles have allowed us to place and replace our machinery without constantly having to modify our building’s foundation,” shares Glenn Patterson, TEI’s Vice President and International Sales Manager. “Different load sizes are required for the various sizes of machines used in manufacturing. Exclusively using the hollow bar injection method means we are able to design each set of piles specific to each individual machine and allows us to keep our factory operational during the installation process.”

  Correct installation is every bit as critical as correct selection of machines for your factory or machine shop, whether you’re building a brand-new facility or retrofitting an old one. For a machine to perform successfully, the foundation on which it rests must be precise. There can be no compromises. As you can see, installing micropiles with TEI drills is the best way to do this.

    The post Factory Firm Foundations: The Use of Micropiles in Machine Installation appeared first on TEI Rock Drills.

from TEI Rock Drills https://teirockdrills.com/micropiles-factory-firm-foundations/

[jeffreyhowardz]

7 Ways On How To Repair The Foundation of Your Home

Nothing stresses a home owner than finding cracks in his floor or even the mere idea that his house will be coming down real quick. Building or buying a house is a pretty huge investment and this calls for proper maintenance. It is common for objects to deteriorate with time and a house being an object, it is prone to this. This could be the effect of ice, poor soil compaction, plumbing leaks among others. Worry not for foundation problems can be repaired.

To solve foundation problems, one first needs to understand the structure of the foundation. Slab foundations and pier or beam foundations react differently to foundation movement. Also repair of houses with basements would be different from the normal one. Below we discuss on seven ways on how to repair foundation problems:

1. High density polyurethane foam.

Technicians inject the foam in a checkerboard grid approximately six foot on center in the affected area. It is relatively cheap and repairs the problem faster. It is important to perform plumbing tests prior to the foam injection to ensure there are no leaks and the foam, therefore, would not leak into the water.

– This method is used where the foundation is concrete and what it typically does is that it seals a foundation crack against water entry.

– If you suspect that water leaks are the root cause of your foundation problems, you can contact a plumber to fix the issue.

– If you live in an area that rains a lot, it is important to have a foundation drainage system, or even go the extra mile and install a surface drain, moves a lot of water preventing accumulation of water. Or use of a French drain which redirects smaller amounts of water.

2. Steel piers.

Steel piers take less time and disturb less landscape, a proven underpinning solution for foundation repair.

Works best on foundation settling this is the case where one side of your house is lower than the other. If so, your foundation may need to be lifted and interior or exterior piers installed. These are placed around the perimeter of your foundation in order to raise it or else installed in the interior of your structure. Repair as soon as possible for what might start as only a small dip on the side of the house might end up being a very large problem. Cracks resulting from foundation problems are generally vertical. Professional foundation repair service that AbryBros provides would solve this problem.

Steps during installation of steel piers;

i) Ground is excavated for installation of piers around foundation.

ii) Foundation bracket would be mounted for the piering system.

iii) Installation of the push piers.

iv) Weight of structure transferred to the steel piers.

3. Soil Nailing

This involves strengthening the soil to give it more stability. This is done by hammering steel bars into the soil.

Steps involved;

i) Drilling into the soil. Where “nail” would be placed.

ii) Depth of the hole is measured.

iii) Nail is inserted into the drilled hole.

The soil nails are placed in an evenly spaced geometric patterns and they develop the pullout resistance. The geometric system of soil nail placement creates an internally reinforced soil mass that is stable.

Majority of foundation problems are caused by soil failure and stabilizing the soil therefore is more than an effective method.

4. Helical piers.

Work well for exterior foundation repair and interior slab repairs.

– Used especially when it is necessary to resist a tension or a compressive force.

– Helical piers look like a large screw. They are used for extra support to porches, steps and chimneys.

– They are a permanent solution to foundation problems.

– Can be used in any type of weather and can even support structure on weak or wet soil.

Helical plates welded to shaft. Plate diameters increase from bottom of the shaft upward. The plates may end up with a pier cap embedded into a concrete foundation.

5. Concrete pier foundation repair.

This was originally preferred before the invention of hydraulic driven steel pier. They are a more permanent solution to foundation problems.

Most expensive mode of repair. Though first time installation is cheap.

They can be in two forms:

a) Pressed concrete pilings – The concrete has already being cured and only involves installation. At time use of a steel, the leader is used to achieve greater depth while pouring water. Preferred on repairing the foundation.

b) Poured concrete piers. The piers are drilled up to about ten feet. Cure time before foundation leveling is 10 days.

6. Micropile underpinning.

This is the use of deep foundation friction piles constructed using high strength steel casings. This enables the transfer of some of the pressure put on them to the soil around them. The friction creates an adhesive effect where the pile and soil connect.

Steps involved;

i) Creating small diameter drilled and grouted friction piles.

ii) Installation of hollow bars via injection bored method.

iii) Pumping hollow bars with a cement grout mixture.

iv) Anchor drilled to grout

7. Carbon fiber strips

Average repair typically takes two to three days. Has incredible strength. Can be painted over hence low visibility.

May be for repair on walls with minor cracks or those that have bowed inward.

– Work best on concrete walls.

– Paint should be removed where the straps are to be set.

– Should not be placed apart more than four times the thickness of the wall.

The main problem of using the carbon fiber straps is that it doesn’t limit the movement of the wall below or above where straps are placed.

Conclusion:

In theory, repairing a foundation is quite simple as it involves lifting the house, replacing the old foundation with a new one and letting the house rest on the new foundation. This is not the case practically though as it involves a lot of factors, engineering data and study. Remember that foundation repairs need to be tackled by experts. This might turn out costly. Ask for cost estimate from the contractors and you can compare with those of different foundation repair companies. Look for ones with warranties as this would not have a cost implication in the future should the problem arise once more.

References:

1. Ron, H. (Dec 21, 2015) Common signs of foundation problems. Retrieved from http://bit.ly/2Viy1O6

2. David Edens. (Aug 25, 2016)Types of foundation repair. Retrieved from http://bit.ly/2Q8yBdo

3. Matthew.S. (Mar 29, 2015), How much does it cost to Replace a Foundation? Retrieved from http://bit.ly/2Vgw1FO

4. Concrete pier foundation. Retrieved from http://bit.ly/2Q62jzv

The post 7 Ways On How To Repair The Foundation of Your Home appeared first on Kravelv.

7 Ways On How To Repair The Foundation of Your Home published first on https://wallsgshop.tumblr.com/

[worldnewzhub]

Here's What You Need To Know About Micropiles

If you’re a civil engineer, you know the way important a building’s foundation is. However in relation to the nitty-gritty parts of it, you may not know which pile options are fine perfect on your project. Possibilities are you may have never heard of micropiles, which might be one of the better options for installing a deep basis which may include rock drilling.

Not sure what a micropile is? Curious about why it’s important to your installation efforts? In this article, we’re covering everything you want to understand approximately micropiles and why they’re important.

What are Micropiles?

Micropiles, usually known as “mini-piles,” are factors constructed using high-quality, durable, small-diameter steel casings or threaded bar. They’re most frequently used when installing a deep foundation.

There are many reasons to use this pile type. Here are the most common reasons:

To provide structural support

To underpin your foundation

To transfer loads

To enhance mass stability

This pile option will help you underpin your foundation, minimize foundation settlement, and are ideal while installing in areas with difficult soil makeup.

How Does The Micropile Installation Method Work?

The first element you want to do is dig a deep hole with a small diameter. Once you’ve cleared the space for the pile, you may lower that into the hole and apply torque to comfortable the pile. Then you fill the hole with a concrete grout mixture to keep everything in place.

After you let the structure settle, you can apply a support system to the top of the pile. This may distribute weight evenly and guarantee good contact with the supported foundation.

What Are The Benefits Of Micropile?

This pile option is one of the maximum practical and cost-effective solutions. It offers easy installation with its compact, lightweight nature, and is greathigh for confined or remote areas like steep slopes, basements, overpasses, and even river pier foundations and wetlands. It additionally may be established at various angles and is able to resisting axial and lateral loads.

This option is ideal for rocky areas because they can be secured within the rock, and actually draw load bearing capabilities from it. It’s also more easily installed in congested areas, and since it’s installed vertically, it can be used for tight spaces that machines can’t get to.

It’s great for situations while you actually need to repair your foundation. But its main benefit is that it’s durable and cost-effective and take far less time to install than other pile options.

Final Thoughts On Micropiles:

If you’re installing a deep foundation or repairing an existing one, micropiles could make your task easier. They can reduce project costs, shorten your project timeline, and make installation a breeze. By reviewing the content of this article, you may understand all the facts you need to determine if this pile system is the best move for you.

Are you in need of service for your next installation project? Need high-quality rock drill attachments? Contact TEI Rock Drills to learn how we can help you with your next project!

[frankmiller1]

TEI Rock Drills 2019 Hollow Bar School Information

You’re invited! Enrollment is now open for TEI Rock Drills’ Hollow Bar School. Two sessions will be offered this year in order to accommodate growing interest. Students will learn from industry experts through classroom and field training about the process and best practices of installing hollow bar micropiles for soil stabilization.

All aspects of hollow bar installation will be taught including the TEI Method for Installation, grouting principles, an overview of micropile and soil nail design, and step-by-step instructions on how to properly test a hollow bar micropile. Case studies from geotechnical contractors will be emphasized. Instructors also cover the operation, maintenance, and troubleshooting of each piece of equipment.

 Hollow Bar School will take place in Montrose, Colorado on June 2-4 and June 5-7, 2019. Each session is limited to 32 participants, and both are expected to sell out. Your seat is only reserved upon payment. The price is $1800, which includes a welcome reception, three nights’ stay at Holiday Inn Express, three catered meals a day, transportation between the hotel and the TEI facility, 16 hours of training by highly regarded professionals with a ratio of one instructor per every two students, a flash drive with all the information presented, and a certificate of completion.

You can register on our website here. For questions, contact Sydnie at 1-800-777-3745 or sydnie@teirockdrills.com

The post TEI Rock Drills 2019 Hollow Bar School Information appeared first on TEI Rock Drills.

source https://teirockdrills.com/2019-hollow-bar-school/ from Engineering https://teirockdrills.blogspot.com/2019/01/tei-rock-drills-2019-hollow-bar-school.html

[jacewilliams1]

TEI Rock Drills 2019 Hollow Bar School Information

You’re invited! Enrollment is now open for TEI Rock Drills’ Hollow Bar School. Two sessions will be offered this year in order to accommodate growing interest. Students will learn from industry experts through classroom and field training about the process and best practices of installing hollow bar micropiles for soil stabilization.

All aspects of hollow bar installation will be taught including the TEI Method for Installation, grouting principles, an overview of micropile and soil nail design, and step-by-step instructions on how to properly test a hollow bar micropile. Case studies from geotechnical contractors will be emphasized. Instructors also cover the operation, maintenance, and troubleshooting of each piece of equipment.

 Hollow Bar School will take place in Montrose, Colorado on June 2-4 and June 5-7, 2019. Each session is limited to 32 participants, and both are expected to sell out. Your seat is only reserved upon payment. The price is $1800, which includes a welcome reception, three nights’ stay at Holiday Inn Express, three catered meals a day, transportation between the hotel and the TEI facility, 16 hours of training by highly regarded professionals with a ratio of one instructor per every two students, a flash drive with all the information presented, and a certificate of completion.

You can register on our website here. For questions, contact Sydnie at 1-800-777-3745 or sydnie@teirockdrills.com

The post TEI Rock Drills 2019 Hollow Bar School Information appeared first on TEI Rock Drills.

from https://teirockdrills.com/2019-hollow-bar-school/

from Engineering Blog http://teirockdrills1.weebly.com/blog/tei-rock-drills-2019-hollow-bar-school-information

[teirockdrills1]

TEI Rock Drills 2019 Hollow Bar School Information

You’re invited! Enrollment is now open for TEI Rock Drills’ Hollow Bar School. Two sessions will be offered this year in order to accommodate growing interest. Students will learn from industry experts through classroom and field training about the process and best practices of installing hollow bar micropiles for soil stabilization.

All aspects of hollow bar installation will be taught including the TEI Method for Installation, grouting principles, an overview of micropile and soil nail design, and step-by-step instructions on how to properly test a hollow bar micropile. Case studies from geotechnical contractors will be emphasized. Instructors also cover the operation, maintenance, and troubleshooting of each piece of equipment.

  Hollow Bar School will take place in Montrose, Colorado on June 2-4 and June 5-7, 2019. Each session is limited to 32 participants, and both are expected to sell out. Your seat is only reserved upon payment. The price is $1800, which includes a welcome reception, three nights’ stay at Holiday Inn Express, three catered meals a day, transportation between the hotel and the TEI facility, 16 hours of training by highly regarded professionals with a ratio of one instructor per every two students, a flash drive with all the information presented, and a certificate of completion.

You can register on our website here. For questions, contact Sydnie at 1-800-777-3745 or sydnie@teirockdrills.com

The post TEI Rock Drills 2019 Hollow Bar School Information appeared first on TEI Rock Drills.

from TEI Rock Drills https://teirockdrills.com/2019-hollow-bar-school/

[jacewilliams1]

2018 TEI Hollow Bar Installation School Begins!

TEI Rock Drills Annual Hollow Bar Installation School runs June 5-7. Every year, attendees from around the world gather in Western Colorado at the TEI headquarters to spend two days with instructors who are experts in their field. The course includes classroom sessions, infield training, TEI factory tour and social events.

Our industry experts will be giving instruction on all aspects of TEI drilling equipment. Students will work in the field installing hollow bars from start to finish with TEI Attachments. Courses include our TEI installation method, principles of grouting, micropile design, and step by step instruction on testing and using a hollow bar micropile. We will also be going over machine maintenance, mechanical problems regarding drilling, and more! Our goal is for students to leave with the ability to take a job from quote to completion.

During the course of the two-day school, we will also be presenting case studies on micropiling projects across the country.  All of us here at TEI welcome those coming to Montrose, CO for the school. We are thrilled with the growth of our annual course and are excited to say the classes have been completely filled. It’s a great way to get information to relay back to your drilling crews and we hope to see new faces next year. We are thankful for those who have decided to take part in this great training opportunity!

The post 2018 TEI Hollow Bar Installation School Begins! appeared first on TEI Rock Drills.

from https://teirockdrills.com/2018-tei-hollow-bar-installation-school-begins/

from Engineering Blog http://teirockdrills1.weebly.com/blog/2018-tei-hollow-bar-installation-school-begins