[1]朱艳峰,张雪松,王和平.复变函数法计算圆形盾构隧道周边土体位移[J].西安建筑科技大学学报(自然科学版),2020,52(03):335-342.[doi:10.15986/j.1006-7930.2020.03.005]
　ZHU Yanfeng,ZHANG Xuesong,WANG Heping.Calculation of settlement of soil around circular shield tunnel by complex variable method[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2020,52(03):335-342.[doi:10.15986/j.1006-7930.2020.03.005]
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复变函数法计算圆形盾构隧道周边土体位移()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
52
期数:
2020年03期
页码:
335-342
栏目:
出版日期:
2020-06-30

文章信息/Info

Title:
Calculation of settlement of soil around circular shield tunnel by complex variable method
文章编号:
1006-7930(2020)03-0335-08
作者:
朱艳峰1; 张雪松1; 王和平2
(1.广州番禺职业技术学院 建筑工程学院,广东 广州 511483; 2.广东工业大学 土木与交通工程学院,广东 广州 510006)
Author(s):
ZHU Yanfeng1;  ZHANG Xuesong1;  WANG Heping2
(1.College of Civil Engineering and Architecture, Guangzhou Panyu Polytechnic, Guangzhou 511483,China; 2.Faculty of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006,China)
关键词:
盾构隧道;  复变函数;  协调变形;  径向位移;  地表沉降量
Keywords:
shield tunnel;  complex variable;  coordination deformation;  radial displacement;  settlement of ground surface
分类号:
TU45
DOI:
10.15986/j.1006-7930.2020.03.005
文献标志码:
A
摘要:
盾构隧道开挖引起隧道周围土体应力及位移的改变,是工程界长期关注的重要课题.将半无限空间弹性单圆孔洞问题,映射为复平面上定值圆环问题,并利用隧道孔洞边界土体与衬砌之间空间位置及协调变形关系,给出了圆形盾构隧道周边土体位移的复变函数解,采用Matlab软件实现算法.结果表明:复变函数解析法计算得到的隧道地表沉降曲线与实测曲线较一致; 隧道埋置深度、隧道半径、土体泊松比对土体变形影响较大; 土体模量、衬砌模量、衬砌泊松比对土体变形计算结果影响微小.
Abstract:
The changes of stresses and displacements of soil around tunnel by shield excavation are important topics. The elastic half plane with a circular hole was mapped conformably on the complex plane, and considering the relative position and coordination deformation between soil and liner, a complex variable solution for displacement of soil around circular shield tunnel is proposed. The MATLAB software is used for this program. Results indicate that the settlement curve of ground surface calculated by complex variable is in good agreement with that measured in site. The depth, the radius of tunnel and soil Poisson ratio have a great influence on the soil settlement, and the soil modular, the liner modular and liner Poisson ratio have a small influence on calculations.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-00-00 修改稿日期:2019-00-00
基金项目::广东省教育厅科研平台和科研基金资助项目(2017GKTSCX046,2018GkQNCX063);
第一作者:朱艳峰(1968-),女,博士,副教授,主要从事材料的力学性能,结构力学,岩土工程方面的研究,E-mail:1969789047@qq.com
通信作者:张雪松(1986-)男,硕士生,讲师,主要从事岩土工程方面的研究,E-mail:Zhangxs@gzpyp.edu.cn
更新日期/Last Update: 2020-07-30