北京地铁某车站3号出入口在进行CRD工法2部洞室堵头墙施工过程中,洞内出现涌水、涌泥,立即启动应急预案,并对结构采取紧急加固措施,对空腔采用混凝土回填。随后查明渗水源,经产权单位抢修后,施工单位采取了一系列措施,保证了出入口结构安全、稳定。 During the construction of the plugging wall in the two cavern sections of CRD method, gushing water and gushing mud emerge in the tunnel and the emergency plan is activated immediately. The structure is reinforced by emergency measures and the concrete backfill is used for the cavity. Subsequent identification of water seepage source, repair by the property rights unit, the construction unit has taken a series of measures to ensure that the structure of entrances and exits safe and stable.