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针对杭州地铁1号线九堡东站～下沙西站区间盾构隧道穿越有害气体段,从气体成因着手,通过预估盾构通过期间的有害气体涌出量,提出盾构施工及地铁运营期间措施,为盾构安全穿越有害气体段及地铁安全运营提供保障.
According to the gas genesis, the tunnel of JiuBo east station ~ Xiasha west station in Hangzhou metro line 1 passes through the harmful gas section. By estimating the emission of harmful gas during the period of shield tunneling, Measures for the safety of shields across the harmful gas passage and subway security operations to provide protection.