From Engineering to Construction: 117-ton Tank Foundation

Posted by Foundation Technologies, Inc. on Jul 29, 2021 4:30:00 AM

Modern infrastructural design and architecture are evolving due to rapid improvements in modern technology and material science. This has raised the bar, calling for construction and engineering companies to rise to the occasion with improvements in foundation systems.

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Topics: Construction, Helical Pile Benefits, Engineering, Helical Pile Applications, Case Study

Objecting to Obstructions in Deep Foundation Installation

Posted by EBS Geostructural on Jul 15, 2021 8:45:00 AM

Obstructions can be difficult, because you often do not know they are there until you begin to install a deep foundation. Helical piles cannot install through obstructions; however, here we highlight the different options you have for dealing with obstructions while installing helical piles. One of the benefits of helical piles is that you do not have to abandon the pile. In most cases, it can be removed and reinstalled (unlike other deep foundation options).

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Topics: Construction, Helical Pile Benefits, Civil, Contractors, Helical Pile Applications

Helical Pile Applications for the Oil & Gas Industry

Posted by Fernanda Osborne on Jul 7, 2021 12:33:00 PM

Helical piles are an excellent foundation solution for the oil and gas industry, both in congested and remote areas. They are easy to install and can be uninstalled (if necessary) and reused at another location. They are displacement piles, so they produce no spoils, no time is lost waiting for concrete to cure before loading, and they are installed with minimal environmental impact. For oil and gas applications, helical piles can be the most suitable foundation solution in the segment.

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Topics: Construction, Foundations, Helical Pile Benefits, Helical Pile Applications

Construction not Disruption: “Business as Usual” for Customer

Posted by EBS Geostructural on Jun 21, 2021 9:00:00 AM

Imagine trying to conduct “business as usual” in a building that is being renovated with a new interior second floor addition. That’s exactly what happened on this project.

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Topics: Foundations, Helical Pile Benefits, Civil, HeliCAP

Stadium Installation Proves Helical Piles an Excellent Choice

Posted by Earth Anchoring Suppliers on Jun 3, 2021 8:56:00 AM
Frawley Stadium is preparing for the 2021 Baseball Season, making necessary improvements to keep this landmark a welcoming venue for seasons to come. Local installer, Breslin Contracting, worked with Earth Anchoring Suppliers (EAS) to recommend a design that would not only save time and money, but also help ensure the future of the stadium. Breslin took advantage of value engineering through EAS's Sign & Seal Relief Program, bringing more savings for the owners.
 
Jobsite challenges included: limited access, large debris, flooding, and a high water table. Read to learn more about how the contractors overcame these obstacles by using helical piles for the foundation.
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Topics: Construction, Foundations, Civil, Helical Pile Applications, Case Study

Overcoming Helical Pile Design Engineering Challenges

Posted by Ben Jennings on May 24, 2021 9:32:00 AM

Have you ever needed to estimate the axial capacity of a helical pile? You could calculate helix bearing and shaft friction by hand, but there is a better method. Use HeliCAP® v3.0 Helical Capacity Design Software! HeliCAP is software that estimates the axial capacity of helical piles, is free to use, and accessible from any computer, smartphone, or tablet with an internet connection and a web browser. A desktop or laptop computer with the Google Chrome web browser is recommended for best results.

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Topics: Helical Pile Benefits, Engineering, HeliCAP

Deep Foundations – Comparing the Displacement of Pipe Shaft Helical Piles

Posted by Jason Herron, P.E., C.W.I. on May 14, 2021 1:00:00 PM

Helical piles are a displacement piling system that moves the soil away from the central axis of the shaft. This has many advantages that include no spoils to remove, but also comes with disadvantages as the shaft diameter increases. The helical piling industry categorizes pipe helical piles into low, medium, and high displacement. Each category has advantages and disadvantages that a specifying engineer must consider when selecting a pile that is applicable and economical for the project.

Low Displacement

The largest volume pipe shaft helical pile used in the North American market are low displacement pipe piles. Low displacement piles are defined as piles with central shaft diameters up to 4.5 inches.

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Topics: Foundations, Civil, Engineering, High Capacity Piles

How to Determine Helical Pile Capacity with Limited Soil Data

Posted by Josh Lindberg on Apr 21, 2021 7:40:00 AM

On many construction projects, soil borings are not completed due to the property owner wanting to reduce costs or, quite simply, being unaware of the need to obtain soil strength data for foundation design. During the installation of CHANCE® Helical piles, monitoring torque can provide real time data defining underlying soil strength and its load capacity. As a helical pile is installed (screwed) into increasingly denser/harder soil, the resistance to installation (called installation energy or torque) will increase. The higher the torque, the higher the axial capacity. In most projects, the installation torque increases with depth, and the capacity of CHANCE helical piles can be determined at the time of installation. Regardless of whether the pile is being installed in clay or sand soil, the torque to correlation factor (Kt) for each shaft size, is multiplied by the effective installation torque (T), resulting in the ultimate capacity for each pile. The standard equation for ultimate capacity is Kt * T. The torque correlation factors for CHANCE helical piles can be found in the CHANCE Technical Design Manual-4th Edition. The effective torque is the average torque taken over the last 3 feet of installed depth, measured in 1 foot increments.

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Topics: Foundations, Civil, Engineering, Contractors, Torque

Helical Pile Shaft Optimization

Posted by Gary L. Seider, PE on Apr 8, 2021 9:45:00 AM

The shaft type/size of a helical pile is critical to both the axial and lateral capacity – especially for compression in soft/loose overburden soils where lateral stability of the shaft must be considered.  The following is a brief summary of the 4 different shaft types commonly used for helical piles and their relative advantages and disadvantages based on site conditions and application.  It is very important to understand that helical pile installation must be considered in the design process.

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Topics: Helical Pile Benefits, Civil, Engineering

Pushing Boundaries with High Capacity Helical Piles

Posted by Stephen Scott, EIT on Mar 29, 2021 8:30:00 AM

As the concepts and design of modern structures continue to evolve, so too must the deep foundation systems on which they are founded upon. With the help of modern technology and material science, structural boundaries continue to be pushed and economic considerations are causing a trend toward the increased use of high-capacity piles. In response to the demand, helical piles have expanded beyond light and medium loaded structures and have been engineered to support heavily loaded structures subjected to both compression and tension.

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Topics: Construction, Engineering, Helical Pile Applications, High Capacity Piles, Case Study

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