Optimization analysis of sealing groove of lining segment of subway shield tunnel

被引：0
|
作者：
Yang, Guisheng [1 ]
Li, Hongliang [2 ,3 ]
Ding, Chao [2 ,3 ]
Zhang, Wenjun [2 ,3 ,4 ]
机构：
[1] China Railway Design Group Corporation, Tianjin,300142, China
[2] School of Civil Engineering, Tianjin University, Tianjin,300354, China
[3] Key Laboratory of Coast Civil Structure Safety of the Education Ministry, Tianjin University, Tianjin,300354, China
[4] Key Laboratory of Urban Underground Engineering of Ministry of Education, Beijing Jiaotong University, Beijing,100044, China
来源：
Tumu Gongcheng Xuebao/China Civil Engineering Journal | 2019年 / 52卷
关键词：
Gaskets - Numerical models - Waterproofing;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Based on the cross-section dimensions of the sealing groove of the lining segment of Tianjin Metro Z2 line, this paper designs a gasket section form according to the empirical formula. Based on the waterproof mechanism of the elastic rubber gasket and the influencing factors of the waterproof failure, the modification method of the gasket when the sealing groove size is different is proposed, and the two-dimensional model under different working conditions is established according to this method. Through numerical simulation, the average contact stress and closing pressure of the gasket surface when the opening amount is 0 are obtained. Then analyze the influence of the size of the sealing groove on the waterproof performance of the gasket, and propose the seal groove size design and optimization suggestions. © 2019, Editorial Office of China Civil Engineering Journal. All right reserved.
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页码：93 / 98
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