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本文介绍西安市地铁一号线劳动路站～玉祥门站区间浅埋暗挖黄土隧道穿越F3地裂缝段施工方法及采取的措施,隧道F3地裂缝段施工中采用了超前降水、超前小导管注浆固结地层、监控量测以及台阶法与CRD法转换技术,成功地解决了浅埋暗挖黄土区间隧道穿越F3地裂缝的施工技术难题。
This article introduces the construction method and measures of crossing the F3 fissure section of the shallow buried digging loess tunnel in the section of the labor road station ~ Yuxiang gate station in Xi’an Metro Line 1. The tunnel F3 ground fissure section adopts advanced precipitation, advanced small catheter Grouting and consolidation strata, monitoring and measurement as well as the step and CRD method conversion technology, successfully solved the shallow buried undercut loess section of the tunnel through the F3 fissure construction technical problems.