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Mechanical Model for Joints of Immersed Tunnel Considering the Influence of Joint Differential Settlement

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成果类型:
期刊论文
作者:
Peng Liu;Ji Chen;Yanhong Chen;Jianxin Yang;Qiang Tang*
通讯作者:
Qiang Tang
作者机构:
[Liu P.] School of Civil Engineering, Nanjing Forestry University, Nanjing, 210037, China
[Chen J.] School of Rail Transportation, Soochow University, Xiangcheng District, Suzhou, 215131, China
[Chen Y.; Yang J.] China Railway Tenth Group of the Fifth Engineering Co., Ltd, Suzhou, 215000, China
National Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science and Technology, Changsha, Hunan 410114, China
[Tang Q.] School of Rail Transportation, Soochow University, Xiangcheng District, Suzhou, 215131, China<&wdkj&>National Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science and Technology, Changsha, Hunan 410114, China
通讯机构:
[Qiang Tang] S
School of Rail Transportation, Soochow University, Suzhou, China<&wdkj&>National Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science and Technology, Changsha, China
语种:
英文
关键词:
Shear flow;Stiffness;Bending stiffness;Differential settlement of foundations;Elastic foundation beam method;Immersed tunnels;Mechanical model;Neutral axis;Safety guidelines;Tunnel construction;Tunnels
期刊:
International Journal of Geosynthetics and Ground Engineering
ISSN:
2199-9260
年:
2020
卷:
6
期:
4
页码:
1-10
基金类别:
This study was supported by the National Natural Science Foundation of China (52078317, 51708377), Natural Science Foundation of Jiangsu Province (BK20170339), project from Jiangsu Provincial Department of Housing and Urban-Rural Development (2020ZD05), and Bureau of Housing and Urban-Rural Development of Suzhou (2019-14, 2020-15).
机构署名:
本校为通讯机构
院系归属:
交通运输工程学院
摘要:
Immersed tunnels are generally connected by tube elements through the joints, which are the weakest parts and sensitive to deformation. However, it is inevitable that there will be vertical differential settlement between the joints of the tube element, resulting from uneven loads caused by back silting, differential settlement of foundations in soft soil, the heavy deposit of ground soil, and increasing tube length. Differential settlement at joints is very harmful to the safety of tunnel construction and operation, but the elastic foundation ...

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