Influence of Different Circumferential Bolts on the Seismic Response of Shield Tunnel

被引：1
|
作者：
Guo, Xiangyu [1 ]
Geng, Ping [2 ]
Tang, Rui [3 ]
He, Chuan [2 ]
机构：
[1] Huaqiao Univ, Coll Civil Engn, Xiamen, Fujian, Peoples R China
[2] Southwest Jiaotong Univ, Key Lab Transportat Tunnel Engn, Minist Educ, 111 Second Circled Rd North, Chengdu 610031, Sichuan, Peoples R China
[3] Yokohama Natl Univ, Inst Urban Innovat, Yokohama, Kanagawa, Japan
来源：
JOURNAL OF EARTHQUAKE ENGINEERING | 2024年 / 28卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Shield tunnel; seismic; circumferential bolt; submodel method; numerical simulation; BENDING BEHAVIOR; JOINTS; TESTS; SOIL;
D O I：
10.1080/13632469.2023.2292201
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This study compared the response characteristics of circumferential joints with different bolt types under seismic loading. The variations in the openings under different types of bolt joints were marginal and could be maintained within 10%. The stress experienced by the oblique bolt was twice as high as that of the curved bolt. Under longitudinal and transverse excitation, the maximum concrete tensile stress on the segment surface ranks as follows: oblique bolt joint (2.1; 3.9 MPa) > straight bolt joint (1.7; 2.0 MPa) > curved bolt joint (0.7; 1.2 MPa), with the oblique bolt joint exhibiting the largest stress.
引用
收藏
页码：2526 / 2554
页数：29
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