地铁盾构管片外嵌式槽道应用技术研究
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摘要
为解决盾构管片预埋槽道不可更换及全环预埋等问题,以兰州地铁2号线1期工程为例,通过理论研究和现场试验,对盾构管片外嵌式槽道技术进行研究,主要从其可行性和安全性等方面展开。研究指出:外嵌式槽道技术不仅能满足机电设备安装的各项要求,且安装方法简单易行,在隧道内可更换和分段安装,比全环预埋槽道技术可节省成本约40%;外嵌式槽道技术不仅适合地铁或高铁盾构隧道,也适合暗挖隧道和城市综合管廊隧道,通用性强,推广意义大。
The pre-embedded chute for shield segment cannot be replaced resulting from full-ring embedding. Hence,the technology of chute embedded outside shield segment is studied by theoretical analysis and site experiment from the aspects of feasibility and safety,by taking Phase 1 of Lanzhou Metro Line No. 2 for example. It is concluded that:( 1)The technology of chute embedded outside shield segment can meet relevant requirements; it is replaceable and easy to install; and by doing which 40% cost can be reduced.( 2) The technology mentioned above is feasible for metro shield tunnel,high-speed railway shield tunnel,mined tunnel and urban utility tunnels; and it is worth popularizing.
The pre-embedded chute for shield segment cannot be replaced resulting from full-ring embedding. Hence,the technology of chute embedded outside shield segment is studied by theoretical analysis and site experiment from the aspects of feasibility and safety,by taking Phase 1 of Lanzhou Metro Line No. 2 for example. It is concluded that:( 1)The technology of chute embedded outside shield segment can meet relevant requirements; it is replaceable and easy to install; and by doing which 40% cost can be reduced.( 2) The technology mentioned above is feasible for metro shield tunnel,high-speed railway shield tunnel,mined tunnel and urban utility tunnels; and it is worth popularizing.
引文
[1]邓剑荣,丁先立.预埋滑槽技术在城市轨道交通工程中的应用[J].城市轨道交通研究,2016,19(8):90.DENG Jianrong,DING Xianli.Application of pre-embedded chute technology in urban rail transit[J].Urban Mass Transit,2016,19(8):90.
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[9]杨志团.高压富水砂卵石地层盾构隧道管片选型与应用[J].都市快轨交通,2014,27(4):79.YANG Zhituan.Segment selection and its application in high-pressure water-rich and sand pebble formation shield tunnel[J].Urban Rapid Rail Transit,2014,27(4):79.
[10]段晓晨,代鹏飞,汪辉.地铁机电安装工程施工虚拟优化管理技术研究[J].重庆交通大学学报(自然科学版),2016,35(1):184.DUAN Xiaochen,DAI Pengfei,WANG Hui.Virtual optimization management technology in construction of subway electromechanical installation project[J].Journal of Chongqing Jiaotong University(Natural Sciences),2016,35(1):184.
[11]周海,陈飞,姚斌,等.铸钢表面多元共渗工艺和性能研究[J].材料热处理学报,2006,27(5):104.ZHOU Hai,CHEN Fei,YAO Bin,et al.Study of process of multi-element permeation on cast steel surface[J].Transactions of Materials and Heat Treatment,2006,27(5):104.
[12]人造气氛腐蚀试验盐雾试验:GB/T 10125-1997[S].北京:中国标准出版社,1997.Corrosion tests in artificial atmospheres:Salt spray tests:GB/T 10125-1997[S].Beijing:Standards Press of China,1997.
[13]苏庆田,沈祖炎,张其林,等.不锈钢强度设计值取值的试验和理论依据[J].建筑结构学报,2003,24(1):80.SU Qingtian,SHEN Zuyan,ZHANG Qilin,et al.Design values of the strength of stainless steel[J].Journal of Building Structures,2003,24(1):80.
[14]段建,言志信,郭锐剑,等.土层锚杆拉拔界面松动破坏分析[J].岩土工程学报,2012,34(5):936.DUAN Jian,YAN Zhixin,GUO Ruijian,et al.Failure analysis of soil anchor induced by loose interface under pullout load[J].Chinese Journal of Geotechnical Engineering,2012,34(5):936.
[15]徐淑美,周德源,毕大勇.预埋式槽型锚轨抗拔性能的试验研究[J].结构工程师,2010,26(5):115.XU Shumei,ZHOU Deyuan,BI Dayong.Test study of tensile behavior of cast-in channels[J].Structural Engineers,2010,26(5):115.
[2]曾斌.管片预埋滑槽在深圳地铁9号线的应用[J].都市快轨交通,2015,28(1):114.ZENG Bin.Application and analysis of pre-buried groove in Shenzhen Metro Line 9[J].Urban Rapid Rail Transit,2015,28(1):114.
[3]杜峰.深圳地铁9号线盾构法隧道管片预埋滑槽设计研究及探讨[J].隧道建设,2014,34(3):249.DU Feng.Design and study of embedded channels of segments of shield-bored tunnels of Line 9 of Shenzhen Metro[J].Tunnel Construction,2014,34(3):249.
[4]马晓波.盾构管片预埋滑槽技术在兰州地铁中的应用[J].铁道标准设计,2016(3):101.MA Xiaobo.Application of embedded chute in shield segment of Lanzhou Metro Line[J].Railway Standard Design,2016(3):101.
[5]靳世鹤,严松宏,梁庆国.盾构隧道衬砌管片预埋槽道抗碱性试验研究[J].铁道工程学报,2016,33(5):55.JIN Shihe,YAN Songhong,LIANG Qingguo.Research on the anti-alkaline test of embedded-channel in lining segment in shield tunnel[J].Journal of Railway Engineering Society,2016,33(5):55.
[6]靳世鹤,孙红斌,曲明玉,等.地铁盾构管片预埋槽道防腐技术研究[J].铁道标准设计,2017,61(8):121.JIN Shihe,SUN Hongbin,QU Mingyu,et al.Study of anticorrosion technology of embedded-channel in shield segment of metro[J].Railway Standard Design,2017,61(8):121.
[7]刘奇.地铁盾构管片预埋槽道质量及性能研究[J].中国铁路,2016(6):102.LIU Qi.Study of the quality and performance of the embedded channel of shield segment in subway[J].China Railway,2016(6):102.
[8]李智明.电气化铁路接触网隧道内预埋槽道论和试验研究[D].武汉:华中科技大学,2013.LI Zhiming.Theoretical and experimental study of embedded channel of electric railway's contact net in tunnel[D].Wuhan:Huazhong University of Science and Technology,2013.
[9]杨志团.高压富水砂卵石地层盾构隧道管片选型与应用[J].都市快轨交通,2014,27(4):79.YANG Zhituan.Segment selection and its application in high-pressure water-rich and sand pebble formation shield tunnel[J].Urban Rapid Rail Transit,2014,27(4):79.
[10]段晓晨,代鹏飞,汪辉.地铁机电安装工程施工虚拟优化管理技术研究[J].重庆交通大学学报(自然科学版),2016,35(1):184.DUAN Xiaochen,DAI Pengfei,WANG Hui.Virtual optimization management technology in construction of subway electromechanical installation project[J].Journal of Chongqing Jiaotong University(Natural Sciences),2016,35(1):184.
[11]周海,陈飞,姚斌,等.铸钢表面多元共渗工艺和性能研究[J].材料热处理学报,2006,27(5):104.ZHOU Hai,CHEN Fei,YAO Bin,et al.Study of process of multi-element permeation on cast steel surface[J].Transactions of Materials and Heat Treatment,2006,27(5):104.
[12]人造气氛腐蚀试验盐雾试验:GB/T 10125-1997[S].北京:中国标准出版社,1997.Corrosion tests in artificial atmospheres:Salt spray tests:GB/T 10125-1997[S].Beijing:Standards Press of China,1997.
[13]苏庆田,沈祖炎,张其林,等.不锈钢强度设计值取值的试验和理论依据[J].建筑结构学报,2003,24(1):80.SU Qingtian,SHEN Zuyan,ZHANG Qilin,et al.Design values of the strength of stainless steel[J].Journal of Building Structures,2003,24(1):80.
[14]段建,言志信,郭锐剑,等.土层锚杆拉拔界面松动破坏分析[J].岩土工程学报,2012,34(5):936.DUAN Jian,YAN Zhixin,GUO Ruijian,et al.Failure analysis of soil anchor induced by loose interface under pullout load[J].Chinese Journal of Geotechnical Engineering,2012,34(5):936.
[15]徐淑美,周德源,毕大勇.预埋式槽型锚轨抗拔性能的试验研究[J].结构工程师,2010,26(5):115.XU Shumei,ZHOU Deyuan,BI Dayong.Test study of tensile behavior of cast-in channels[J].Structural Engineers,2010,26(5):115.
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