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Safety Measures for Shields Passing Soft Muddy Soil Strata Containing High Pressure Methane
Author(s): 
Pages: 75-76,81
Year: Issue:  13
Journal: Construction Technology

Keyword:  隧道工程盾构有害气体沼气机械通风安全措施;
Abstract: 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.
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