RAB has the expertise and experience in all underpinning systems. Using top of the line equipment and products is what sets RAB apart from anyone in the business.
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Underpinning is a means of transferring foundation loads to deeper, dense soils or bedrock/limestone. Basically it is the process of modifying an existing foundation system by extending it to or into subsurface strata that is deeper and more stable than the near surface soil that supports the existing foundation system. Types of Underpinning
Auger Piers resemble a giant screw. The flytes are usually 1” blades wrapping continuously around the section of pin pipe. The additional blade also increases load bearing capacity. Helical Piers are screwed down until certain soil bearing capacity is achieved, resistance lock is reached or certain torque is attained. Injection Pier installations have been seccessfully completed by RAB Foundation Repair more than any other company in the business. Pressure Piers are driven hydraulically into the soil using the structural weight of the building as a reaction force. Simultaneous Lifts are often recommended by Geotechnical Engineers when a structure or portion of a structure needs to be re-leveled.
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Auger Piers
Helical Piers
Injection Piers
Pressure Piers
Simultaneous Lift