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北京地铁10号线盾构下穿建筑物施工新技术
收稿日期: 2012-07-31
修回日期: 2012-09-12
网络出版日期: 2013-02-19
New Construction Technologies for Shieldbored Tunnel of Beijing Metro Line 10 Crossing underneath Existing Buildings
Received date: 2012-07-31
Revised date: 2012-09-12
Online published: 2013-02-19
在城市地下进行盾构隧道掘进施工，有时盾构将不可避免地穿越建构筑物或地下管线，采取何种施工措施控制其变形，是地铁或其他地下工程盾构施工中不可回避的问题。以罗威特L251盾构在北京10号线掘进施工，通过采取盾构机改造、渣土改良、掘进参数控制、加注新型回填材料、工后处理等各种技术措施成功地穿越了嘉禾民巷平方群建筑物，希望对相同或接近地层的盾构施工起到借鉴作用。
关键词： 北京地铁; 盾构掘进; 下穿建筑物; Geofoam化学材料
徐朝辉 . 北京地铁10号线盾构下穿建筑物施工新技术[J]. 隧道建设, 2012 , 32(增刊2) : 83 -87 . DOI: 10.3973/j.issn.1672-741X.2012.z2.016
Shieldbored tunnel in urban areas sometimes has to cross underneath existing buildings and underground pipelines.Technologies, including shield machine modification,soil improvement,tunneling parameter control,using newtype of backfilling materials and treatments after construction are used in the tunneling of Lovat L251 shield machine of Beijing Metro line 10. Successful underneath crossing buildings are guaranteed.The paper can provide references for similar projects in the future.
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