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screw piles

screw piles

screw piles

(OP)
At present I am advising a client on the feasibility of investing in screw piling equipment. The information I have been presented with to date makes me a little bit nervous. Does any one know of any published test results for load capacities for screw piles in clay and sandy soils.
Thanks

RE: screw piles

Screw Piles are an ideal method for foundations in environmentally sensitive locations or in terrain where access is difficult. In certain load and geological conditions, steel screw piles offer a cost and time effective solution. But in certain soil conditions they require cathotic protection.  Screw Piles can be installed vertically or raked to a specified angle to withstand building loads in soil conditions ranging from loose sand to clay or shale.  They are usually employed where the ground conditions are primarily cohesive.

My experence is with High Voltage Tranmission Lines and Anchoring Systems.  We utilized the torque resistance to provide theoretical capacities - both in tension and in compression.

Screw Piles - Instlallation and Design in Stiff Clay: Proceedings of the Symposium on Screw Piles, Brussels, Belgium, March 15, 2001 Hard Cover. ISBN:90 58091929

Standard Guidelines for the Design and Installation of Pile Foundations (American Society of Civil Engineers)

RE: screw piles

Check the website for Chance Anchors, they would have all the information you would need regarding screw type soil anchors.

RE: screw piles

You can contact Chance Anchors at www.hubbell.com/abchance for load test data on a variety of screw type foundations and tie-backs.

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