地铁盾构与暗挖隧道对接施工关键技术
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摘要
北京地铁14号线南八里庄站—北京工业大学站区间盾构与暗挖隧道对接施工中,通过分析工程与水文地质、周边环境及工程重难点,采取针对性的技术措施,研究盾构对接段的注浆加固、对接段初支扩挖及沉降控制、对接段防水及二衬施工等工艺,提高了盾构施工的适应性。
During construction of shield and subsurface excavation tunnel connection of South Balizhuang Station to Beijing University of Technology Station of Beijing subway line 14, specific technical measures were adopted after analysis of engineering conditions, hydrological and geological conditions, surrounding environment and important and difficult points of this project. Various processes,such as grouting strengthening at shield connection, initial support and expanding excavation and settlement control at connection segment, as well as waterproof and secondary lining construction at connection segment, etc., were studied to successfully improve the applicability of the shield construction.
During construction of shield and subsurface excavation tunnel connection of South Balizhuang Station to Beijing University of Technology Station of Beijing subway line 14, specific technical measures were adopted after analysis of engineering conditions, hydrological and geological conditions, surrounding environment and important and difficult points of this project. Various processes,such as grouting strengthening at shield connection, initial support and expanding excavation and settlement control at connection segment, as well as waterproof and secondary lining construction at connection segment, etc., were studied to successfully improve the applicability of the shield construction.
引文
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[2]毋海军.复杂地层盾构接收新技术研发[J].铁道标准设计,2013(5):87-89,93.
[3]陈开端.浅析钢套筒法盾构接收施工技术[J].福建建材,2016(1):61-63,118.
[4]钟志全.无吊装条件下的盾构机平移过站[J].建筑机械化,2009,30(12):59-61.
[5]黄云生.盾构的平移解体技术[J].铁道建筑技术,2014(6):53-56.
[6]王珣,杨博,刘文斌.盾构机平移过站技术[J].隧道建设,2007,27(4):52-54.
[7]赵洪岩,赵俊兰.浅析复杂场地盾构机井下平移吊装施工技术[J].北方工业大学学报,2015,27(1):75-79.
[8]王继山,宋月光.北京地铁9号线白石桥南站围护及盾构调头设计[J].铁道建筑技术,2011(S2):17-19,67.
[9]陈馈.狮子洋隧道盾构地中对接施工技术[J].建筑机械化,2010(11):60-63.
[10]吴占瑞,漆泰岳,李斌.盾构扩挖地铁车站对邻近建筑物影响分析[J].铁道建筑,2012(6):62-65.
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