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Rock socket design encompasses a check for the maximum

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bending moment?...
rock socket design encompasses a check for the maximum bending moment?
Submitted: 7 months ago.Category: Engineering
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11/7/2017
Engineer: StructuralEng, Bachelor's Degree replied 7 months ago
StructuralEng
StructuralEng, Bachelor's Degree
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Hello. What exactly is your question?
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Customer reply replied 7 months ago
Doing a rock socket design for drilled shaft. I utilized FEA model with PY curve analysis. It gave me a fixed condition at the tip and also allowed me to adjust the section stiffness to my desired deflection at the top. Is there a mean or method of checking the maximum bending moment in the socket with respect to the diameter and the length of the socket? That is why i am asking is there a simplified method of designing a rock socket. If i can find that methodology then maybe i can see how to do the correct checks.
Engineer: StructuralEng, Bachelor's Degree replied 7 months ago
This is generally done with a program like L-Pile. You will input the loading and the soil strata and properties as well as the head condition (fixed or free) and the program will provide deflection, shear, and moment curves
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Customer reply replied 7 months ago
Understood and i have done so, but how would i know if the depth of the rock socket is sufficient for bending or shear (Lateral)?
Engineer: StructuralEng, Bachelor's Degree replied 7 months ago
You can't tell that from L-Pile. That is where the hand calculations come in
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