In case of piles in liquefied soil, I have a non-liquefied crust on the top of liquefied soil layer, which is again underlain by non-liquefied soil layer. Using provisions of JRA, do I have to take the moment due to inertial load at the interface of liquefied and lower non-liquefied soil layer to calculate the exerted bending moment due to the lateral spreading although the interface lies at a depth of 13m from the ground surface?
N.B : No SPT 'N' values are present hence, unable to do displacement based analysis.
Yes, you can calculate moment due to inertial load..if you simulate the problem using PLAXIS software..easy to simulate with this software for liquefiable soil ..i suggest you to use this software and get the precious value of moment at the interface..
Thank you so much for your answer Dr Karthigeyan. But my question is whether it is logical to calculate the influence of inertial load on the pile bending moment at such great depth to verify whether pile will fail or not? Or at such great depth only kinematic load is taken into consideration to find out whether pile will fail or not.
Inertial load influence will be there about to a few meter depth below the pile head level in deeper depth kinematic load is responsible ..whether pile fail or not it depends on the magnitude of load..
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