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

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 project...

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Veröffentlicht in:Mathematical problems in engineering 2020, Vol.2020 (2020), p.1-10
Hauptverfasser: Zhen, Mengyang, Wang, Yue, Liu, Mingqing, Xiao, Zhimin, Liu, Jun, Zhao, Futian, Ou, Chen
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container_end_page 10
container_issue 2020
container_start_page 1
container_title Mathematical problems in engineering
container_volume 2020
creator Zhen, Mengyang
Wang, Yue
Liu, Mingqing
Xiao, Zhimin
Liu, Jun
Zhao, Futian
Ou, Chen
description 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.
doi_str_mv 10.1155/2020/6920535
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subjects Contact stresses
Cylinders
Dynamic response
Exact solutions
Impact loads
Lateral pressure
Load
Mechanical analysis
Plastic deformation
Soil dynamics
Soil mechanics
Soil stresses
Soils
Vertical loads
title A Simplified Analytical Solution of Mechanical Responses of Soil Subjected to Repeated Impact Loading
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