Helical Piles

Helical piles, also known as helical piers, screw piles, and helical anchors, are deep foundation elements used in new construction as well as underpinning existing foundations. As a Certified CHANCE® Helical Pile Installer, Dosdourian Enterprises welcomes the opportunity to bid on your next project requiring helical pile installation. Contact us today!

What are helical piles?

Helical Pile Foundation Systems

At Dosdourian Enterprises, Inc., we install engineered helical pile systems that provide fast, reliable, and cost-effective foundation solutions for both new construction and existing structures. Also known as helical piers, screw piles, or helical anchors, these deep foundation elements are installed with specialized hydraulic equipment that monitors installation torque to help verify design capacity.

Helical piles are ideal for underpinning existing foundations, lifting and stabilizing settling structures, supporting new foundations, retaining walls, towers, equipment foundations, and resisting both compression and tension loads. Their installation produces minimal vibration, requires little excavation, and allows immediate loading, making them an excellent choice for projects where speed, precision, and minimal site disruption are critical.

Depending on soil conditions and project requirements, our helical pile systems can provide design capacities ranging from 40 to 80 tons, delivering long-term structural performance and dependable foundation support.

ADVANTAGES

No Ground Vibrations or Soil Displacement
Instant Verifiable Load Capacity
Ideal In Limited Overhead Access Areas
May be Grouted and Cased for Increased Capacity
Typically a Cost-Effective Option for Lighter Loads

COMPONENTS OF A HELICAL PILE

Helical piles are constructed with round or square steel shaft sections and flights of steel helical plates welded to the shaft. The sections are joined together by bolted couplings. Helical Piles or Piers may also be installed with the option of neat cement grout and a steel casing for additional axial and lateral load capacity.

HELICAL PILE INSTALLATION

Helical piles are installed in sections by means of a high torque hydraulic motor. As each section is screwed into the soil, the following section is connected to the previous by means of a bolted coupling, and drilling then resumes. After the helical pile has achieved design torque and is in place at the proper depth, the pile is terminated with a new construction bearing plate or an underpinning bracket and attached to the structure’s foundation.

LET US DEMONSTRATE OUR EXPERTISE

Dosdourian Enterprises specializes in mini helical piles or helical micropiles, manufactured by CHANCE®

Helical anchors and earth retention

Helical tieback anchors are often used to repair tilting retaining walls.

HELICAL TIEBACK ANCHOR INSTALLATION

Similar to the installation of a helical pile, helical tiebacks are screwed into the soil horizontally and are usually terminated with some type of waler beam. Helical tiebacks rely on tension strength and skin friction with the soil. Neat cement grout is often added to supplement the tension/uplift capacity of helical tieback anchors.

Helical piles and foundation repair

Helical piers are often used to repair any type of foundation that has settled, rotated, or cracked with the process of foundation underpinning.

FOUNDATION UNDERPINNING PROCESS

Helical piers are installed adjacent to the settled structure and are attached to the foundation with steel underpinning brackets. A manifold hydraulic jacking system uniformly lifts the foundation to its original position by pushing down on the piers and pressing up on the brackets which are attached to the structure.

Service Area

At Dosdourian Enterprises Inc. we specialize in chemical grouting, helical piles, Waterstop and Foundation Repair in South Florida.