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轨交隧道近距离下穿游泳池施工技术研究

Study on Construction Technology of Rail Transit Tunnel under Swimming Pool
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摘要 某轨道交通1、2号线联络通道暗挖隧道近距离穿越游泳池和周边建筑物,为确保该暗挖隧道实现无水施工,通过对“WSS深孔注浆”和“双排超前小导管配合全断面注浆”两种防水加固方案从成本、工期、技术优势等方面进行对比分析,最终选择后一种方案;通过监控量测,证明所采用的施工方案防水加固效果好、进度快、成本低、便于施工。 The underground tunnel of the connecting passage of some rail transit line 1 and line 2 passes through the swimming pool and surrounding buildings in a short distance.In order to ensure water-free construction for the underground tunnel,two waterproofing reinforcement schemes:“WSS deep hole grouting”and“double rows of advanced small conduits with full section grouting”are compared in terms of cost,construction period and technical advantages,and finally the latter scheme is selected.Through monitoring and measurement,it is proved that the adopted construction scheme is featured with good waterproofing reinforcement effect,fast progress,low cost and convenient construction.
作者 祝勇 Zhu Yong(China Railway 18th Bureau Group Tunnel Engineering Co.,Ltd.,Chongqing401135,China)
出处 《中国建筑防水》 2022年第9期41-44,49,共5页 China Building Waterproofing
关键词 轨道交通 暗挖隧道 近距离下穿游泳池 防水加固 全断面注浆 超前小导管 rail transit bored tunnel short distance underpass beneath swimming pool waterproofing reinforcement full section grouting advanced small conduit
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