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厦门地铁3号线南延段盾构隧道持续推进
中铁一局城轨公司厦门地铁3号线南延段工程土建施工一工区项目部副总工程师何正学一边紧盯屏幕,一边指导盾构司机任海龙操控着盾构机的姿态。这个不到2平方米的操作室就是盾构机的“大脑”,控制着眼前约两层楼高的盾构机的姿态、土仓压力,也掌控着盾构掘进的方向,以及后期整个成型隧道的质量,“盾构轴线以毫米为单位,跟航道一样,如果超过一定偏差,就到达不了贯通的点位。”何正学说。
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