[1]崔光耀,蒋梦新,宁茂权,等.矩形盾构隧道管片弹性密封垫防水 性能截面型式优选研究[J].高速铁路技术,2022,13(05):14-19.[doi:10.12098/j.issn.1674-8247.2022.05.004]
 CUI Guangyao,JIANG Mengxin,NING Maoquan,et al.Study on Preferential Selection of Section Types for Waterproofness of Elastic Gaskets of Segments for Rectangular Shield Tunnel[J].HIGH SPEED RAILWAY TECHNOLOGY,2022,13(05):14-19.[doi:10.12098/j.issn.1674-8247.2022.05.004]
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矩形盾构隧道管片弹性密封垫防水 性能截面型式优选研究()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
13卷
期数:
2022年05期
页码:
14-19
栏目:
理论探索
出版日期:
2022-10-01

文章信息/Info

Title:
Study on Preferential Selection of Section Types for Waterproofness of Elastic Gaskets of Segments for Rectangular Shield Tunnel
文章编号:
1674-8247(2022)05-0014-06
作者:
崔光耀1蒋梦新1宁茂权23唐再兴23刘顺水2
(1. 北方工业大学, 北京 100144;2. 中铁第四勘察设计院集团有限公司, 武汉 430064; 3. 海峡(福建)交通工程设计有限公司, 福州 350004)
Author(s):
CUI Guangyao1JIANG Mengxin1NING Maoquan23TANG Zaixing23LIU Shunshui23
(1. North China University of Technology , Beijing 100144 , China; 2. China Railway Siyuan Survery and Design Group Co. ,Ltd ,Wuhan 430064 , China; 3. Haixia Traffic Engineering Design Co. ,Ltd ,Fuzhou 350004 , China)
关键词:
矩形隧道 盾构管片 弹性密封垫 截面型式 防水性能
Keywords:
rectangular tunnelshield segmentelastic gasketsection typewaterproofness
分类号:
U452.2
DOI:
10.12098/j.issn.1674-8247.2022.05.004
文献标志码:
A
摘要:
为提高矩形盾构隧道管片接缝的防水性能,本文依托某城市火车站矩形盾构隧道工程,利用 ABAQUS 有限元分析软件建立弹性密封垫模型并优选了密封垫截面型式,结果表明:(1)截面型式C、D、E 密 封垫在正常压缩工况与错位压缩工况下均能满足张开度7 mm、错位量12 mm 的防水要求,截面型式A、B 防 水性能较差;(2)正常压缩工况各截面型式密封垫防水性能总体上从高到低依次为C/E、D、B、A;错位压缩 工况各截面型式密封垫防水性能总体上从高到低依次为C/D、E、B、A。研究结果可为类似工程的管片接缝 防水设计提供参考。
Abstract:
In order to improve the waterproofness of the joints between segments for rectangular shield tunnel,on the basis of the railway station rectangular shield tunnel project in a city,we used the ABAQUS finite element analysis software to establish the elastic gasket model and select the optimal gasket section type. The results show that: (1)Sealing gaskets of section types C,D and E can meet the waterproof requirements of 7 mm opening and 12 mm misalignment under normal compression conditions and misalignment compression conditions,while sealing gaskets of section types A and B have poor waterproofness.(2)Under normal compression conditions,the overall waterproofness of gaskets of different section types is C/E,D,B and A from good to poor. Under the misalignment compression conditions,the overall waterproofness of gaskets of different section types is C/D,E,B and A from good to poor. The research results can provide a reference for the waterproof design of segment joints in similar projects.

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备注/Memo

备注/Memo:
收稿日期:2022 -03 -23
作者简介:崔光耀(1983 -),男,博士,教授。
基金项目:中铁第四勘察设计院集团有限公司科技研究开发项目(2020 K143)
更新日期/Last Update: 2022-10-01