Torque in Helical Piles
Torque in Helical Piles
(OP)
Helical pile advocates use torque to determine bearing capacity of helical piles. What is the theoretical basis for calculating torque of the machine to bearing capacity of geomaterials?
DocDirt
DocDirt





RE: Torque in Helical Piles
See this link: http:
for an example test summary report by A.B. Chance.
RE: Torque in Helical Piles
RE: Torque in Helical Piles
Special Thanks to PSLEM. Could you please tell me as to how to calculate the area, in this case of 1.05 sq ft from the diameter of 14in and pitch of 3 in?
Will be much obliged.
DocDirt
RE: Torque in Helical Piles
RE: Torque in Helical Piles
RE: Torque in Helical Piles
Thanks to PEinc for helpful hints
DocDirt
RE: Torque in Helical Piles
DocDirt
RE: Torque in Helical Piles
RE: Torque in Helical Piles
Would not the rate of cutting affect the torque in the case of helical piles too?
DocDirt
RE: Torque in Helical Piles
http://www.abchance.com/helical/square-shaft.asp
RE: Torque in Helical Piles
DocDirt
RE: Torque in Helical Piles
RE: Torque in Helical Piles
Thanks again. Let me admit that I had an ulterior motive in starting this forum. We are working on a drilled friction socket caisson project. Rock is blocky and jointed shale. Designs call for an allowable socket friction of 25 psi. I represent the field inspection group. We are using a SOILMEC 4 in dia auger for the job. We are now using SID observe the rock and approve it. I was looking for another independent way to verify the friction capacity.
DocDirt