A Simplified Analytical Solution of Mechanical Responses of Soil Subjected to Repeated Impact Loading

Futian Zhao, Jun Liu, Zhimin Xiao, Mingqing Liu, Yue Wang, Chen Ou and Mengyang Zhen

Mathematical Problems in Engineering, 2020, vol. 2020, 1-10

Abstract:

A simplified dynamic response model is proposed based on the deformation and dynamic stress response characteristics of soil under impact loading. The foundation is divided into two distinct zones: a projection cylinder acting vertically under impact loading and a hollow cylinder outside the projection area. It is assumed that the ramming deformation of the projected cylinder under the vertical impact load is a quasi-static loading process under the maximum contact dynamic stress through the quasi-static method, and the settlement calculation without lateral deformation is given. It is assumed that the inner wall of the hollow cylinder is subjected to horizontal lateral pressure and the analytical solution of the horizontal dynamic stress considering the plastic deformation of soil is given. The simplified dynamic response model can reflect the mechanical response of soil under impulse train load well which can provide reference for similar projects.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:6920535

DOI: 10.1155/2020/6920535

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