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本文以在建的贵阳地铁1号线某区间段为工程背景,阐述了该区段内岩溶概况及前期处理情况,结合水文、地质及周边环境情况,详细介绍了地铁岩溶地段隧道施工工艺流程。目前,该区段工程已经基本完成,未出现工程意外,验证了有关施工工艺及措施的可靠性,并可为类似地铁工程提供一定的借鉴。
In this paper, a section of Guiyang Metro Line 1 under construction is taken as the engineering background, the general situation of karst and pre-treatment in this section are expounded. Combined with the hydrology, geology and the surrounding environment, the tunnel construction process in subway karst section is introduced in detail. At present, the project of this section has been basically completed without any project accidents, which has verified the reliability of the relevant construction technology and measures and can provide some reference for similar subway projects.