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| 盾构穿越淤泥质软土含高压沼气地层的安全措施 | |
| 引用本文： | 陈惠芳,陈广峰,程千元,夏世龙,李利侠,洪敏,乔宏霞.盾构穿越淤泥质软土含高压沼气地层的安全措施[J].施工技术,2012,41(13):75-76,81. |
| 作者姓名： | 陈惠芳 陈广峰 程千元 夏世龙 李利侠 洪敏 乔宏霞 |
| 作者单位： | 1. 中国矿业大学力学与建筑工程学院,江苏 徐州,221116 2. 北京大学地球与空间科学学院,北京,100084 3. 兰州理工大学土木工程学院,甘肃 兰州,730050 4. 中铁航空港建设集团北京有限公司,北京,100070 5. 中铁建工集团北京分公司,北京,100070 6. 北京城建中南土木工程集团有限公司,北京,102209 |
| 摘 要： | 通过杭州地铁1号线某区间的施工经验,阐述了盾构在软土地层中安全穿越含有害气体地层的应对措施。通过施工前排放有害气体,隧道内设置机械通风,施工过程中对有害气体的实时监测等措施,确保了整个施工期间的安全,消除了有害气体在地铁隧道施工中存在的隐患。 |
| 关 键 词： | 隧道工程 盾构 有害气体 沼气 机械通风 安全措施 |
Safety Measures for Shields Passing Soft Muddy Soil Strata Containing High Pressure Methane |
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| Chen Huifang , Chen Guangfeng , Cheng Qianyuan , Xia Shilong , Li Lixia , Hong Min , Qiao Hongxia.Safety Measures for Shields Passing Soft Muddy Soil Strata Containing High Pressure Methane[J].Construction Technology,2012,41(13):75-76,81. | |
| Authors: | Chen Huifang Chen Guangfeng Cheng Qianyuan Xia Shilong Li Lixia Hong Min Qiao Hongxia |
| Affiliation: | 1.School of Mechanics & Civil Engineering,China University of Mining and Technology,Xuzhou,Jiangsu 221116,China; 2.School of Earth and Space Sciences,Peking University,Beijing 100084,China; 3.School of Civil Engineering,Lanzhou University of Technology,Lanzhou,Gansu 730050,China; 4.China Railway & Airport Construction Group Co.,Ltd.,Beijing 100070,China; 5.Beijing Branch of China Railway Construction Engineering Group,Beijing 100070,China; 6.Beijing Urban Construction & Zhongnan Group of Civil Engineering Co.,Ltd.,Beijing 102209,China) |
| Abstract: | According to construction experience in Hangzhou Subway Line 1,the authors described the safety measures adopted for shield passing soft muddy soil strata containing high pressure methane.Harmful gases were discharged before the start of the construction.During the construction,mechanical ventilation system was installed and the level of harmful gases was monitored.These measures have successfully ensured the safety of the construction and eliminated the potential damage of methane. |
| Keywords: | tunnels shields harmful gas biogas mechanical ventilation safety measures |
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