| Prototype test study on mechanical characteristics of segmental lining structure of underwater railway shield tunnel |
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| 作者姓名： | He Chuan Feng Kun Yan Qixiang |
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| 作者单位： | 1. Key Laboratory of Transportation Tunnel Engineering，Ministry of Education，Southwest Jiaotong University，Chengdu 610031，China；2. Department of Tunnel and Underground Engineering，Southwest Jiaotong University，Chengdu 610031，China;1. Key Laboratory of Transportation Tunnel Engineering，Ministry of Education，Southwest Jiaotong University，Chengdu 610031，China；2. Department of Tunnel and Underground Engineering，Southwest Jiaotong University，Chengdu 610031，China;1. Key Laboratory of Transportation Tunnel Engineering，Ministry of Education，Southwest Jiaotong University，Chengdu 610031，China；2. Department of Tunnel and Underground Engineering，Southwest Jiaotong University，Chengdu 610031，China |
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| 摘 要： | Based on the first unde rwater railway shield tunnel, the Shiziyang shield tunnel of Guangzhou Zhu- jiang River, the prototype test was carried out against its segmental lining structure by using ＂multi-function shield tunnel structure test system＂. And the mechanical characteristics of segmental lining structure using straight assembling and staggered assembling were studied deeply. The results showed that, the mechanical characteristics of segmental lining structure varied with the water pressures; especially after cracking, the high water pressure played a significant role in slowing down the growing inner force and deformation. It also testi- fied that the failure characteristics varied with straight assembling structure and staggered assembling structure. Shear thilurc often occurred near longitudinal seam when using straight assembling.
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| 关 键 词： | 衬砌结构 隧道管片 盾构隧道 力学特性 原型试验 铁路 组装结构 水下 |
| 收稿时间： | 9/7/2012 12:00:00 AM |
| 修稿时间： | 9/7/2012 12:00:00 AM |
Prototype test study on mechanical characteristics of segmental lining structure of underwater railway shield tunnel |
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| He Chuan,Feng Kun,Yan Qixiang.Prototype test study on mechanical characteristics of segmental lining structure of underwater railway shield tunnel[J].Engineering Sciences,2014,12(2):65-74. |
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| Authors: | He Chuan Feng Kun and Yan Qixiang |
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| Institution: | [1]Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, Southwest JiaotongUniversity, Chengdu 610031, China [2]Department of Tunnel and Underground Engineering, SouthwestJ iaotong University, Chengdu 610031, China |
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| Abstract: | underwater railway shield tunnel segmental lining structure prototype test tenon joint failure characteristics |
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| Keywords: | underwater railway shield tunnel segmental lining structure prototype test tenon joint failure characteristics |
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