The dynamic responses of an infinite plate resting on a poroelastic layered half‐space soil medium with imperfect interface to a moving load

2021 ◽  
Author(s):  
Yuanxun Zheng ◽  
Cunxin Luo ◽  
Heng Liu ◽  
Chaowei Du
Keyword(s):  
Half Space ◽  
Moving Load ◽  
Infinite Plate ◽  
Imperfect Interface ◽  
Dynamic Responses ◽  
Soil Medium ◽  
Layered Half Space

Dynamic Responses of Pile Groups Embedded in a Layered Poroelastic Half-Space to Harmonic Axial Loads

2011 ◽  
Vol 133 (2) ◽  
Author(s):  
Bin Xu ◽  
Jian-Fei Lu ◽  
Jian-Hua Wang
Keyword(s):  
Half Space ◽  
Middle Layer ◽  
Pile Group ◽  
Dynamic Responses ◽  
Fredholm Integral Equations ◽  
Pile Groups ◽  
Axial Loads ◽  
Reflection Matrix ◽  
Patch Load ◽  
Layered Half Space

The dynamic responses of a pile group embedded in a layered poroelastic half-space subjected to axial harmonic loads is investigated in this study. Based on Biot’s theory, the frequency domain fundamental solution for a vertical circular patch load applied in the layered poroelastic half-space is derived via the transmission and reflection matrix (TRM) method. Utilizing Muki’s method, the second kind of Fredholm integral equations describing the dynamic interaction between the layered half-space and the pile group is constructed. The proposed methodology was validated by comparing the results of this paper with a known result. Numerical results show that in a two-layered half-space, for the closely populated pile group with a rigid cap, the upper softer layer thickness has different influences on the central pile and the corner piles, while for the sparse pile group, it has almost the same influence on all the piles. For a three-layer half-space, the presence of a stiffer middle layer in the layered half-space will enhance the impedance of the pile group significantly, while a softer middle layer will reduce the impedance of the pile group.

Dynamics of a prestressed incompressible layered half-space under moving load

2008 ◽  
Vol 44 (3) ◽  
pp. 268-285 ◽  
Author(s):  
S. Yu. Babich ◽  
Yu. P. Glukhov ◽  
A. N. Guz
Keyword(s):  
Half Space ◽  
Moving Load ◽  
Layered Half Space
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