Helical pile anchor. What is a Helical Anchor/Pile? • A helical anchor/pile consists of one or more helix-shaped bearing plates attached to a central shaft, which is installed by rotating or "torqueing" into the ground. Benefits of helical anchors Faster installation Highly economical Weatherproof installation Easy installation in any kind of foundations Immediate load bearing capacities No issues like concrete Provide superior strength Highly effective in tropical storm and hurricane areas Need helical piles for your project? Trust your IDEAL Group to deliver helical piles with superior quality and load-bearing capacity on time and within budget. With better holding power and minimal marine disturbance, helical anchors offer many benefits for many underwater applications. Please call to speak to one of our project managers regarding design options, value engineering and pricing. Bolts used to join helical anchor and helical pile sections at the shaft connections shall be zinc coated or galvanized and shall be the grade and size specified by the helical anchor and helical pile Oct 6, 2020 · Helical solutions thread deep into the ground to transfer weight to load-bearing soil. Helical anchors consist of a helical bearing system welded to steel plates. The installation process can employ grout only or grout in combination with either steel or PVC casing. Helical piles are constructed using steel shafts. Our deep foundation products can be tailor made to fit each project with constructability and engineering in mind. • • Type 1 - Square Shaft installation energy. Helical Piles 101, is intended for the people to understand the basics of Helical Piles, where helical piles can be used and how helical piles can help save them money. Feb 3, 2023 · A granular anchor pile is another anchor technique that may provide the necessary resistance to uplift in expansive soils using simpler methods. APPLICATIONS Guy Anchors & Foundations for Towers Helical Piles for New Construction Underpinning - Residential / Commercial Tiebacks for Excavation Bracing Soil Screws for Earth Retention Performance Specifications: The Contractor is given the responsibility for certain design and/or construction procedures, but must demonstrate to the Owner through testing and/or mutually agreed upon acceptance criteria that the production Helical Piles meet or exceed the specified performance parameters. ECP provides a wide range of products and services to professionals in the Heavy, Industrial, Utility T&D, Solar, Oil and Gas Pipeline, Commercial and Residential construction markets. Shaft size and helix configuration are determined by the needed load resistance and soil conditions. It consists of a central shaft of various diameters, thickness with at least one helical plate. Unmatched Stability: Helix mooring Extendable square shaft helical anchors The range of extendable square shaft helical piles / anchors to be used by AHPAC will be used to resist axial compression, axial tension, and/or lateral loads from a variety of structures. Piers vs. Oct 13, 2017 · Piles vs. Helical piers are known by many names: helical piles, screw piers, screw piles, and torque anchors. Foundation Technologies supplies helical piles, anchor materials & equipment. Our patented welding technology and rigorous quality control ensure structural strength, reliability, and long-term durability. Tiebacks are the preferred method of lateral support when congestion within the limits of the excavation must be minimized. Helical Pulldown® Micropiles (HPM) The CHANCE® Helical Pulldown® Micropile (HPM) is used to form a grout column around the shaft of a standard helical anchor/pile. The unique screw anchor design allows for immediate load bearing, making them perfect for a wide range of Aug 13, 2024 · Helical piles are a deep foundation system. ). Helical Tieback Anchors for New Construction and Repairs CHANCE® tieback anchors for soldier-pile/waler walls come with shaft sizes and single- or multi-helix plate diameters selected for job-specifi c requirements. Our legendary helical (screw) piles are a great option for all your construction projects requiring a ground-anchored foundation system. Helical ground anchors, also loosely referred to as screw piles, are advanced anchoring systems designed to stabilize structures and provide reliable support in various soil conditions. However, like all piling systems, they have design limitations that can limit or constrain their use. Screw piles, sometimes referred to as screw anchors, screw – piles, residential screw piles, and helical anchors are a steel screw -in piling and ground anchoring system used for building deep foundations. 1 shown on the following page. The support helps during construction. They consist of a steel shaft with helical plates that resemble large screws. Helical piers, also known as anchors, piles or screwpiles, are deep foundation solutions used to secure new or repair existing foundations. Loose and poorly-consolidated soil offers less resistance than dense and well-consolidated soil. The pile shaft transfers a structure’s load into the pile. MacLean helical anchors and piles provide consistent results within a variety of applications. Helical Brackets & Accessories CHANCE offers helical brackets and accessories to be used in conjunction with CHANCE Anchors and Helical Piles in order to provide solid, lasting foundation systems at an affordable cost. They are installed by rotating them into the soil, a bit like a wood screw. Various sizes of helical flights are available in the market to suit the site soil conditions Mar 20, 2021 · A helical pile is a deep foundation solution suitable for supporting light and heavy structures. The CHANCE Helical Pier Foundation System is perfect for a range of industrial, commercial and residential applications. CHANCE® HELICAL ANCHORS/PILES By definition, a helical anchor/pile is a low soil displacement foundation element specifically designed to minimize disturbance during installation. We manufacture our helical piers out of American steel at our facility in Olathe, Kansas. Load is transferred from the shaft to the soil through these bearing plates. It consists of a central steel shaft with one or more helical-shaped bearing plates welded to the central shaft. Cover your backyard with the best in class by choosing this durable Pylex Helical Post Black. ECP is the leader in the foundation industry and one of the largest manufacturers and suppliers of helical piles and helical tieback anchors in the United States. With our superior patented Inertia Welding Technology, we provide the strongest piles in the industry. 75 RCS with one 14” helix) is installed to a depth of 40 ft. Some common names include: Helical Piles Screw-Anchors Screw-Piers Soil-Screws Screw-Cylinders Helical Piers Earth Anchors Ground Screws Although the myriad of terms can be confusing, the most important thing to remember is that they all consist of a central shaft with one or more helical plates attached to the shaft Helical piles, sometimes referred to as screw piles, screw anchors or helical anchors, are a steel screw-in piling and ground anchoring system used for building deep foundations. Due to their design and ease to install, they are most commonly used whenever soil conditions prevent standard foundation solutions. This review and numerical study investigate the fundamental foundation treatments for expansive soils and the behavior of granular anchors and helical piles. At Helical Piles Australia, we manufacture industry-grade helical anchors and screw piles designed to perform in Australia’s diverse soil conditions. Helical tieback anchors are used in conjunction with a variety of earth retaining systems such as sheet piles and soldier piles in order to provide additional lateral resistance beyond What Are Helical Anchors? Helical anchors, also known as anchors, piles, or screwpiles, serve as a deep foundation stabilization system. Table 7-4 is a quick reference guide for the design professional. The installation of the piles is quick and efficient with Helical piles, also known as helical piers or screw piles, are constructed using steel shafts with helical flights of various sizes to suit site-specific ground conditions. Installation conditions, including soil and structure conditions, vary widely from location to location and from point to point on a site. recommends only using 85% of the Ultimate Torsional Strength shown above in table A for 2-3/8 to 3-1/2 helical piles. John Lawrie Tubulars can custom Note: Fundamentals of Helical Anchors/Piles Part I provides the background information necessary for a more comprehensive understanding of the following material. • Type 3 - Combo Pile combo pile (Combination Pile) is a helical pile that has both the advantages of square shaft and pipe shaft helicals. Helicals are slender, segmented piles, ideal for getting into tight spaces with limited overhead, but CHANCE Type SS Helical Piles and Anchors have a longer service life than do pipe shaft piles because of their reduced surface area. Jun 18, 2024 · Helical tiebacks anchor sheet piles to stable soil layers, providing additional lateral support. Helical Pile Manufacturing Helical Anchors Inc. Helical Piles & Anchors CHANCE Anchors and Helical Piles are an extendable deep foundation system used worldwide to secure residential and commercial buildings, tower foundations, heavy equipment foundations and many other projects requiring deep foundations. Learn more about our foundation piers. Mar 11, 2025 · Helical piles are screw anchors that are widely used in applications where unstable soils require extra support for a structure or tieback application. Featuring a screw-like design with helices along a steel shaft, these anchors are driven deep into the ground to secure foundations, retaining walls, and anchor the structure to more stable layers of earth Tiebacks Tiebacks (or Anchors) are engineered tensile elements used to provide temporary or permanent lateral support for earth retention structures such as sheetpile walls, soldier pile and lagging walls, secant pile walls and slurry walls. As the anchor drive turns a helical pile into the ground, the soil offers resistance which the drive must overcome to continue advancing the pile. Independent engineering analysis should be conducted and state and local building codes and authorities should be consulted prior to A helical anchor is a steel shaft with one or more helical plates welded around it. Engineered for dependability and long-term stability, Intech Anchoring Systems’ foundation solutions feature exclusive anchoring techniques, tools, designs and sizes that improve the CHANCE® HELICAL ANCHORS/PILES By definition, a helical anchor/pile is a low soil displacement foundation element specifically designed to minimize disturbance during installation. increments and recorded on Log Sheet 7. Whatever you call them, however, Earth Contact Products’ patented helical pier system delivers what you need: a versatile and adaptable foundation repair solution. Jun 5, 2023 · Sometimes used interchangeably, helical foundations are known by many names. Since establishment in 1986, HELI-PILE® has been providing innovative, cost-effective foundation solutions for projects of all sizes. The helical design Screw piles Helical anchors Screw piles, sometimes referred to as screw-piles, screw piers, screw anchors, screw it foundations, ground screws, helical piles, helical piers, or helical anchors are a steel screw-in piling and ground anchoring system used for building deep foundations. Sep 22, 2023 · In this blog post, we’ll discuss the differences between helical piles and micropiles, and which one might be the best choice for your particular project. Sometimes called helical piers, or helical piles, our anchors can be used for a variety of applications from small soil retention tieback projects to massive towers. A helical pile, also known as a helical pier, helical anchor, screw pile, or screw anchor, consists of a shaft – either a solid square bar or a hollow tubular – with helical plates welded to it. Offshore, however; helical anchors stand alone as the superior choice for mooring applications. provides the strongest quality products for soil stabilization and earth foundation solutions. Inside our 100,000-square-foot manufacturing Swimming Pool Foundations Helical piles provide a great alternative to traditional swimming pool foundations (timber piling, concrete piling, etc. This detailed documentation ensures that all aspects of any given project are recorded to provide a complete picture of all operations and to create a comprehensive record for future reference, should it be required. The helix geometry is very important in that it provides the downward force or thrust What is a Tieback Anchor? Tieback Anchors are retaining wall anchoring systems used to horizontally reinforce and stabilize permanent and temporary structures subjected to lateral loads from earth and water. Dec 10, 2024 · Helical piles, also known as screw piles or helical anchors, are deep foundation elements that are installed into the ground to support various types of structures. These ingenious devices—also known as screw piles, helical piers, or helical foundations—have revolutionized how we secure structures to the earth. Helical Anchors Inc is a manufacturer for Helical Pile, Helical Piers, and Helical Anchors. Using helical piers for swimming pool foundations also eliminate mobilization costs for large equipment and the vibrations and spoils that typically come along with traditional foundations. In their simplest forms, helical anchors/piles consist of at least one helix plate and a central steel shaft (see Figure 6-4). Please call for further details on these products Drive Tools / Adapter Flanges / Hex Kelly Adapters Helical tiebacks are steel shaft with series of low-pitched circular plates welded at strategic positions along the shaft to give the ground anchor acting in tension mode to strain the earth retention structure, retaining wall and sheet pile wall. These are normally segmented shafts ranging in length from 5" to 10"². Advantages of Helical Anchor/Piles The terms Helical Anchors, Helical Piles, Helical Piers, Helical Screw Piles, Screw Anchors and Screw Piles are often used interchangeably throughout the industry. Sep 7, 2021 · On land, piling and anchoring solution are abundant and helical anchors have always been known to be cost-effective, versatile, and easy to install. All other diameter helical piles are recommended to be use to 95% of their Ultimate Torsional Strength. This specification assumes that the location and the required loads of the Helical Pile Screw Piles Screw piles, sometimes referred to as screw anchors, screw–piles, residential screw piles, and helical anchors are a steel screw-in piling and ground anchoring system. 0 is a state-of-the-art helical pile and helical anchor capacity program designed to operate in the Microsoft Windows® environment. It is intended to be used as a reference guide to enable the designer to quickly determine which helical pile systems to use for project ABSTRACT: Helical piles have been in usage for over 170 years throughout the world, and only in recent years the increased interest and global applications of this type of foundation have been growing rapidly. What Are Helical Anchors Used For? A helical anchor, also known as a screw pile, consists of a steel shaft with helical-shaped plates welded along its length. They are engineered to support compressive loads less than CHANCE® Civil Construction has determined that the optimum spacing between any two helical plates on a helical anchor/pile is three times the diameter of the lower helix. The helical design Screw Pile Foundations & Retaining Walls We are dedicated to the supply and installation of helical piles (screw piles) for any type of foundation, load support or anchor application you encounter. A test Helical Pile anchor (1. Special considerations are required for constructing foundations on expansive soil to mitigate volumetric changes. Anchors – what is the difference? Whether researching deep foundations, earth retention, or foundation underpinning, you have likely seen these terms used interchangeably and without clear distinction. This guide will attempt to bring the selection and procurement of helical piles and anchors into a more practical point of view. This combination enhances stability, increases load capacity, and can be used with various sheet pile materials. This article will CHANCE® Products & Accessories Helical Piles & Anchors Guy Anchors Guyed structure towers, self-supporting towers, substations and switching stations are all part of the CHANCE® tension-compression (T/C) foundation and guy anchor product line. IX. Learn how these components stabilize foundations and why regular inspections are essential. Our high capacity and large diameter helical piers have the highest torsional capacity in the industry. The helix geometry is very important in that it provides the downward force or thrust A helical anchor also is known as a helix anchor, screw anchor, or helical pile is extendable base equipment which is made up of helical engineered metallic plates that are attached to a central steel shaft using a round or rectangular cross-section. Traditional Foundation Methods Posted by Tomaque Admin Foundation Repair, Helical foundation repair solutions, helical, helical piers, Helical Pile, helical piles Posted on June 5, 2025 The head of the helical pile is to be approximately 1’-0 below grade in the grade beam or cap excavation, which will put the twin-helix pile tip 18’-0 below the original ground level and the three-helix screw foundation tip 21’-0. Viking is now able to supply the deep foundation and helical anchor industry with the strongest product of its kind in the world. Jun 5, 2025 · Comprehensive Cost-Benefit Analysis: Helical Anchors vs. May 8, 2025 · Helical Piles - Tiebacks - Anchors Tradeshow Wednesday, May 7 - Thursday, May 8, 2025 | Durham, Connecticut The DFI Helical Piles and Tiebacks Committee is looking forward to our next Helical Piles-Tiebacks-Anchors Tradeshow and Educational Seminar on May 7 - 8, 2025 in Durham, Connecticut. Unlike traditional foundation methods, helical anchors are screwed into the ground, creating a deep foundation that resists movement and provides long-term structural support. Intech Anchoring Systems supplies top-tier helical pile solutions to secure residential and commercial buildings, tower foundations, heavy equipment foundations and many other deep foundation applications. A helical pile and anchor is an extendable deep pile foundation system with helical bearing plates welded to a central steel shaft. Practical constraints, primarily related to installation, currently limit the maximum design load per helical pile/anchor to 100 kips in tension and 200 kips in compression, which means helical piles/anchors can resist relatively light to medium loads on a per pile/anchor basis, and much heavier loading when used in pile groups. A helical anchor/pile is an extendable deep foundation system with helical bearing plates welded to a central steel shaft. Helical anchors, or screw piles, are steel shafts with helically-shaped plates designed to provide deep foundation support. While helical piles provide uplift resistance in light structures The helical anchor and helical pile shaft connections shall be in-line, straight and rigid and shall have a maximum tolerable slack of 1/16-inch or as acceptable to Foundation Engineer. The helical design Our Process All AHPAC projects are logged from start to finish in a comprehensive technical audit. Screw piles are manufactured using varying sizes of tubular hollow sections for the pile or anchor shaft. . CHANCE Type SS Helical Piles and Anchors feature sharpened leading edge helix plates that are circular in plan to provide uniform load bearing in most soil conditions. Helical Piers Helical piers, also known as helical piles, screw piles, or anchors, are steel shafts that have helical plates attached to them. For example, a quick Google search for “helical piles” reveals thousands of results including those for “helical piers” and “helical anchors”. A helical anchor is a steel shaft with one or more helical plates welded around it. Anchors are used in tension applications and piles are used in compression applications. On land, piling and anchoring solution are abundant and helical anchors have always been known to be cost-effective, versatile, and easy to install. We have more than 25 years of experience in Soil Stabilization and Earth Foundation Repair Systems. Expect the best quality product among the helical industry. Learn more about our company's helical pile foundation systems today! Our large diameter helical piles and helical piers are used when projects require a deep foundation capable of resisting high lateral and/or excessive over-turn moment. Engineered to excel in challenging soil conditions such as expansive soils, high water tables, and fill areas, these helical piles are ideal for projects demanding high-capacity support. We have the technology that enables us to produce the strongest Helical Piles in the industry. Helical Extensions Helical Anchors Inc manufactures the strongest extensions in the helical industry. Cantsink offers helical piles and anchors for temporary shoring. What are Helical Anchors? A helical anchor also is known as a HELI-PILE® is a pioneering provider of high strength helical pile deep foundation support and anchoring systems. You can contact our team directly for any questions Helical pile also referred to as screw pile, are Our Helix Anchor Mooring Systems utilize helical anchors, also known as screw anchors or helical piles, to anchor marine structures effectively. Our experience can help you get the job done. This ensures the quality of the Screw piles, sometimes referred to as Helical piles / anchors, are a steel screw-in piling and ground anchoring system used for building deep foundations. PierTech is a leading manufacturer of helical piers, piles, anchors, and foundation repair equipment. Digga are a leader in Anchor Drive technology and manufacturing. Learn more now! Bracket & Caps| 130% Stronger Helical Pile Support Products| Helical Anchors Inc, is the manufacturer for helical products. The terms Helical Anchors, Helical Piles, Helical Piers, Helical Screw Piles, Screw Anchors and Screw Piles are often used interchangeably throughout the industry. is a leading Helical Pile company located at Minneapolis, Minnesota. Tiebacks generally consist of Product Overview Helical Piles, Piers, and Anchors A helical pile, also known as a helical pier, helical anchor, screw pile, or screw anchor, consists of a shaft – either a solid square bar or a hollow tubular – with helical plates welded to it. Helicals piles/helical anchors is an attractive alternative to other piling/anchoring systems due to its high design capacity of each helical and they may be installed using limited access equipment and at an affordable price. These anchors feature helical-shaped plates or flights at their lower ends, which are screwed into the seabed or riverbed. From light to heavy-duty brackets Aug 3, 2023 · This study investigates the performance of granular anchor piles and helical piles in expansive soils. A square shaft helical pile will have more axial capacity than a pipe shaft helical pile installed with the same amount of torsional energy into Square shaft helical piles are better at penetrating dense material than pipe shaft helical piles. Helical anchors are considered deep foundations and may be used to support any type of load. The single carbide, patent pending design was developed after site testing of several rock anchor configurations to provide an economical, yet proven solution to reach load-bearing depths The information in this manual is provided as a guide to assist you with your design and in writing your own specifications. Building sitework, roadways, retaining walls, levees, dams and revetments are among typical applications. The weight of the leaning or sinking structure is transferred from the shaft to the deep, packed soil via the plates. Helical piles are also called helical piers, helical anchors, screw anchors, screw piles, and only helical. Expansive soils pose challenges for engineering due to their significant swelling and shrinkage characteristics. The first and only alternative to manufacturer-produced manuals, Howard Perko’s Helical Piles: A Practical Guide to Design and Installation answers the industry’s need for an unbiased and universally applicable text dedicated to the design and installation of helical piles, helical piers, screw piles, and torque anchors. Nov 4, 2024 · Foundation piles, piers, and ground anchors are critical to the foundation repair process. PILE/ANCHOR INSTALLATION LOG Sleeve Depth: Chance Foundation Solutions | A Hubbell brand CHANCE Helical Underpinning technology stabilizes your structure, even in a limited access site. The upper ends are connected to mooring lines, securely fastening the structure in place. A helical anchor/pile is a segmented system with helical bearing plates welded to a central steel shaft. Jun 18, 2025 · Introduction Few engineering innovations have transformed foundation technology as quietly yet profoundly as helical anchors. Screw piles are manufactured using varying sizes of tubular hollow sections for the pile or anchors shaft. With over 35 years experience in screw anchoring, helical piling and foundation piling. Our helical pile drives suit skid steer loaders and excavators of to 80 tons and 375,000 ft-lbs of torque. Discover how helical earth screw anchor systems are the predictable, cost-effective, quickly installed alternative to traditional uplift restraint methods. ROCK-IT™ Helical Lead Section Penetrates High Blow Count Soils The ROCK-IT™ lead section is an innovative solution to penetrate rocky or high blow count soils without pre-drilling or field modification. CHANCE brackets & accessories are made for a wide variety of applications, including underpinning, concrete slab raising and timber support. HELI-PILE® is a pioneering provider of high strength helical pile deep foundation support and anchoring systems. This is consistent with the findings of others (Bassett, 1977) for multi-belled concrete piers. Purpose – Helical Capacity Design Software (HeliCAP®) v2. Learn about the pros and cons of various helical pile options. Stop foundation settling with helical underpinning. Our products are designed, engineered and manufactured for oil & gas, industrial, commercial, and residential construction. We have patented inertia welding technology that produces the strongest joints. Chance Helical Piles and Helical Anchors offer a robust and versatile solutions for deep foundations. Helical piers and anchors are a great alternative to many other deep foundation products as they mitigate or eliminate many site issues including vibration, spoils, access, and mobilization. Helical Anchors, Inc. Each helix is attached near the tip, is generally circular in plan, and formed into a helix with a defined pitch. Its purpose is to extend the steel to the required depth so the lead can anchor As stated earlier, it is best to use vertically installed helical anchors and piles to resist only vertical loads and battered helical anchors and piles to resist only lateral loads. Installed by rotating them into the ground, these anchors offer immediate load-bearing capacity, reducing the need for extensive excavation or concrete foundations. Feb 4, 2024 · Offshore, helical anchors stand alone as the superior choice for mooring applications. Pre-production helical pile/ anchor installation methods, procedures, equipment, and overall length shall be identical to the production helical anchors/piles to the extent practical except where approved otherwise by the Owner. A combo pile has a square shaft lead section that is better at penetrating dense material and generating load capacity, and is then transitioned to a pipe shaft for the plain extensions where overburden soils are softer and a larger section modulus is CHANCE® Helical piles and anchors are designed, tested, and proven for applications in expansive soils, high water tables, fill areas, and areas where unstable soils require specialized vertical or horizontal support. When discussing deep foundation solutions, the terms “helical piles,” “helical piers,” and “helical anchors” are used so interchangeably, it can be hard to determine the difference. Offshore, however; helical… Leads and Extensions are manufactured by Helical Anchors Inc. Discover the GoliathTech advantage! DRIVE HEADS & Equipment Attachments HELI-PILE® stocks and supplies all the necessary equipment for your helical piles installation needs. There are some engineers who feel that battered piles in seismic areas “attract seismic forces” during an earthquake, and may therefore rupture. It’s a simple product but plays an essential role in the anatomy of a helical pile system. A helical anchor is a steel shaft with one or more helical plates welded around it. It will not delve deep into academic theory but will present the writer’s own experiences and solutions to problems involving helical piles and anchors. Torque is monitored at 1 ft. Dec 5, 2024 · Learn the key differences between helical anchors and helical piles to make the right choice for your construction or foundation project needs. Alt-hough this fact requires a parallel growth in research examining these foundations, the current understanding of helical piles or helical anchors behaviour is still limited A helical anchor is a steel shaft with one or more helical plates welded around it. Helical Anchors Inc. Apr 22, 2020 · Helical Anchors FAQ Helical FAQ is prepared to educate about the difference between the Helical Anchor Vs Helical Pier Vs Helical Piles What is Helical? In math, a helix is clarified as “a curve in the three-dimensional area” In the event you’ve ever noticed a spiral staircase, it is possible to imagine the kind of a helix. It relates ASTM D1586 SPT “N60” values for cohesive and non-cohesive soils to the expected load capacity of various CHANCE Type Square Shaft (SS) and Round Shaft (RS) Helical Piles. CHANCE® helical ground anchors extend bearing plates through soft, loose, or expansive surface soils into stable strata with minimal disturbance. ykrqvhsmwxqwhvlaamtstznhwkpojrscgbmdhguavhcavy
