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The seismic performance of large underground structures in soils, e.g., subway and highway tunnels, has been an important topic followed the damages of such structures in recent large earthquakes. The dynamic behavior of a subway station in saturated sandy deposit was investigated using the fully coupled dynamic Finite Element code DYNA Swandyne-II. A generalized plasticity model that can simulate...
The uplift of large underground structures in saturated liquefiable soils under strong earthquake loadings may induce severe damages to the structures. Various mitigation procedures have been proposed to alleviate such damage, among which installation of cutoff walls next to underground structures was found to be effective. However, the working mechanism of cutoff walls in alleviating uplift of underground...
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