In the initial results of the soldier pile analysis we can see major critical items in red. The minimum obtained embedment safety factor of 1.163 is obtained from the true FS Mobilized passive (mobilization of available passive resistance from non-linear analysis). Since the system appears to be overstressed we explore the option to include active and passive wall friction within the analysis. In this case, we will assume that wall friction is 50% of the available soil friction.
We then reanalyze the excavation and obtain the new results. We then select to optimize the wall properties and change the wall section to W24x62.
The passive safety factor in this case becomes close to 2, so we will change the wall length to 33ft and reanalyze the excavation. In this last analysis we obtain a limit-equilibrium analysis wall embedment safety factor of 1.5 while other safety factors are greater.
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Structural and Geotechnical design of Deep Excavations.
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DeepEX is the Ultimate software for design of deep excavations. It incorporates general limit equilibrium methods and non-linear analysis method with use of elastoplastic Wincler springs.
DeepEX does both structural and geotechnical analysis of any deep excavation wall and support system.
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