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Pseudo-static bearing capacity of shallow foundations on heterogeneous marine deposits using limit equilibrium method

机译：利用极限平衡法对异质海洋沉积浅基础的伪静态承载力

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摘要

By application of the limit equilibrium method associated with Coulomb failure mechanism, the effect of variation of undrained shear strength with depth on seismic bearing capacity was evaluated. The approach followed in this study to take into account seismic forces is pseudo-static. It is also assumed that the occurrence of an earthquake does not have any effects on the values of soil cohesion. Two different marine soil deposits exhibiting linear and bilinear variations of undrained shear strength with depth were considered. The undrained bearing capacity factor has been computed as a function of dimensionless parameters of ?B-1/c(0), ?B-2/c(0), and Z(t)/B. The results of this paper have been compared with solutions reported in the literature, and the consistency of the results confirmed the ability of Coulomb failure mechanism and its corresponding limit equilibrium method formulation in static condition. Furthermore, the pseudo-static bearing capacity of shallow foundations on heterogeneous marine deposit is addressed. Finally the results of this study presented in the form of table and design charts.
机译：通过在与库仑破坏机构相关的极限平衡方法的应用，评价了不受影响的剪切强度与深度对地震承载力的影响的影响。本研究中随后的方法考虑到地震力是伪静态的。还假设地震发生对土壤内聚力的价值没有任何影响。考虑了两种不同的海洋土壤沉积物，展示了具有深度的线性和双线性变化的抗剪力强度。未经介绍的承载力因子被计算为Δb-1 / c（0），Δb-2 / c（0）和z（t）/ b的无量纲参数的函数。本文的结果已经与文献中报道的溶液进行了比较，结果的一致性证实了库仑破坏机制的能力及其在静态条件下的相应极限平衡方法制剂。此外，解决了异质船舶沉积物浅层基础的伪静态承载力。最后以表和设计图表的形式提出了这项研究的结果。

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