Transfer Matrix Method for Calculating Displacement of Adjacent Buried Pipeline Caused by Subway Tunnel Construction

被引：0
|
作者：
Wang H. [1 ]
Jin H. [1 ,2 ]
Zhang J. [3 ]
He Y. [1 ]
Yan S. [1 ]
机构：
[1] School of Civil Engineering, Dalian Jiaotong University, Dalian
[2] School of Civil Engineering, Beijing Jiaotong University, Beijing
[3] Zhejiang Railway Construction Engineering Company Limited, Hangzhou
来源：
Tiedao Xuebao/Journal of the China Railway Society | 2019年 / 41卷 / 10期
关键词：
Pipeline displacement; Subway tunnel; Transfer matrix; Winkler foundation model;
D O I：
10.3969/j.issn.1001-8360.2019.10.013
中图分类号：
学科分类号：
摘要：
Considering the influence of pipeline buried depth on the subgrade reaction modulus, the Winkler foundation model was modified. By using the two-stage analysis method,the displacement transfer matrix between strata and pipeline was established by using Fourier transform and the mechanical relationship between the formation settlement and the pipeline deformation was derived. Finally, a pipeline displacement prediction formula based on formation settlement was proposed. Compared with the direct analysis, finite difference method and numerical simulation, the transfer matrix method revealed the transfer relationship between pipeline displacement and stratum displacement was revealed more clearly and simplified the processes of calculating the displacement of adjacent buried pipeline. The validation of the proposed method was demonstrated through comparison with a case study and a centrifuge test. Based on the analysis on the related parameters affecting pipeline displacement, the formula for predicting the maximum displacement of buried pipelines considering various factors was established. © 2019, Department of Journal of the China Railway Society. All right reserved.
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页码：93 / 98
页数：5
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