Nonlinear three-dimensional analysis of closely spaced twin tunnels

被引：0
|
作者：
Shahrour, I
Mroueh, H
机构：
来源：
NUMERICAL MODELS IN GEOMECHANICS - NUMOG VI | 1997年
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D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper includes an analysis of the interaction between closely spaced tunnels. It is achieved using a three dimensional elastoplastic finite element calculation. After a description of numerical developments used in this analysis, we present a study of a reference case (closeness ratio = 1D) which shows the influence of the construction of a tunnel close to an existing one on (i) vertical and lateral displacements induced in the soil mass and on (ii) axial force and bending moment generated in the lining. Influence of closeness is then analysed for a twin tunnels with a closeness ratio equal to 0.5D.
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页码：481 / 487
页数：7
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