Analytical solution of lateral internal forces in circular tunnel lining due to Rayleigh wave

被引：0
|
作者：
Zhang Y. [1 ]
Bai S. [1 ]
机构：
[1] School of Hydraulic Engineering, Dalian University of Technology, Dalian, 116024, Liaoning
来源：
| 1600年 / Academia Sinica卷 / 35期
关键词：
Analytical solution; Internal force; Rayleigh wave; Soil-structure interaction; Tunnelling engineering;
D O I：
10.13722/j.cnki.jrme.2015.0370
中图分类号：
学科分类号：
摘要：
Considering soil-structure interaction, few analytical solutions of lateral internal forces in tunnel lining due to Rayleigh wave(R wave) have been obtained at present. In this paper, the closed-form analytical solutions for internal forces in circular tunnel lining due to R wave at any propagation angle were derived based on mechanics of underground structure and theory of elastic waves using the pseudo-static method. Two ultimate contact conditions, i.e., the full-slippage and no-slippage along the soil-lining interface, were considered respectively. A numerical example showed that the lateral internal forces in circular tunnel lining reached the maximum values if the propagation of R wave was perpendicular to the tunnel axis and the internal force differences between two contact conditions were minor. In addition, the internal forces resulted from R wave were much higher than those from SV wave, especially the lateral axial force which was induced mainly by the component P wave contained in R wave. In seismic design of shallow tunnels, the lateral internal forces in the lining caused by R wave should be paid adequate attentions. © 2016, Science Press. All right reserved.
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页码：484 / 490
页数：6
相关论文
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