
3月29日,液压抓斗成槽机启动成槽作业,由上海隧道工程有限公司承建崇明线一期工程108标的1#盾构转换井(长兴岛南井)正式开工,至此崇明线一期工程正式进入施工阶段。
3月31日,1#盾构转换井首幅48.5米深的地下连续墙钢筋笼吊装入槽,崇明线一期工程108标的1#盾构转换井开始地下连续墙施工。工作井的基坑深度达26.05米,地下连续墙围护结构深度达48.5米,围护结构采用GXJ、十字钢板等多种接头形式,坑底三轴搅拌桩加固深达32.7米。
上海市轨道交通崇明线一期工程,由金吉路站至长兴岛北井(含),沿申江路—高宝路—东靖路—长江南港隧道—长兴岛永卫路,线路长22.230km,采用地下敷设方式,其中南港隧道长7.738km。设地下站5座,东靖路车辆段一处,1处中间风井,3处大小盾构转换段。
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