| 郑万高铁重庆段隧道二次衬砌施工质量管理实践 |
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| 引用本文： | 张军,王明慧,向道银,张桥,蒋树平,刘伟帮.郑万高铁重庆段隧道二次衬砌施工质量管理实践[J].现代隧道技术,2020(2):49-54. |
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| 作者姓名： | 张军 王明慧 向道银 张桥 蒋树平 刘伟帮 |
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| 作者单位： | 渝万铁路有限责任公司;西南交通大学交通运输与物流学院 |
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| 基金项目： | 中国铁路总公司科技研究开发计划项目(K2018G057);重庆市科技计划项目(cstc2018jszx-cyzdX0156). |
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| 摘 要： | 隧道二次衬砌的施工质量关系着铁路运营安全。文章以郑万高铁重庆段隧道二次衬砌施工为背景,针对二次衬砌质量缺陷问题,对工装设备、施工工艺和管理措施进行了优化,特别是针对初期支护平整度、防水板铺设、台车布料、混凝土振捣、拱顶防脱空监控、施工缝处理、止水带安装等方面采取了一系列改进措施,实现了隧道二次衬砌施工横向到边、纵向到底的有效管理,规范了作业标准,提升了施工质量,取得了良好的施工效果。
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| 关 键 词： | 郑万高铁重庆段 隧道 二次衬砌 施工质量 改进措施 |
Quality Management Practice of Tunnel Secondary Lining Construction of Chongqing Section of Zhengzhou-Wanzhou High-speed Railway |
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| ZHANG Jun,WANG Minghui,XIANG Daoyin,ZHANG Qiao,JIANG Shuping,LIU Weibang.Quality Management Practice of Tunnel Secondary Lining Construction of Chongqing Section of Zhengzhou-Wanzhou High-speed Railway[J].Modern Tunnelling Technology,2020(2):49-54. |
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| Authors: | ZHANG Jun WANG Minghui XIANG Daoyin ZHANG Qiao JIANG Shuping LIU Weibang |
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| Affiliation: | (Chongqing-Wanzhou Railway Co.,Ltd,Chongqing 400014;School of Transportation and Logistics,Southwest Jiaotong University,Chengdu 610031) |
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| Abstract: | Quality of the tunnel secondary lining is related to operation safety of railway.Based on secondary lining construction of the Chongqing section of Zhengzhou-Wanzhou high-speed railway,the construction installation equipment,construction technology and management measures are optimized aiming at the defects of lining quality,especially a series of improvement measures are taken regarding the flatness of primary support,laying of waterproof board,concrete distribution of trolley,quality of concrete vibration,monitoring of vault void,treatment of construc tion joint,waterstop installation,realizing effective management of construction of secondary lining and standardiz ing operation standards,improving the construction quality and achieving good construction results. |
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| Keywords: | Chongqing section of Zhengzhou-Wanzhou high-speed railway Tunnel Secondary lining Construc tion quality Improvement |
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