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Constrained Soil Modulus Ms

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muuddfun

muuddfun

Geotechnical
Joined
Feb 4, 2008
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Do any of you know how to calculate the constrained soil modulus Ms directly from the CPT tip stress Qc for clay soils? I have some charts for sand, but I need to calculate it for CH clay?

I need this for the rehabilitation of a very old pipeline.
 
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constrained modulus/qc=alpha
alpha is an empirical coefficient
be carefull because all the correlations are made to different varieties of cone geometry and procedures
 
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