城市地铁下穿铁路施工安全及沉降控制方法

Abstract Relying on the engineering example of subway underground excavation under-passing the existing railway this paperanalyzes the safety impact of underground excavation and railway according to requirements of railway procedures and specifications for therailway track settlement sums up the ground consolidation measures which can effectively reduce track settlement and proposes controlrequirements on the ground reinforcement underground excavation construction monitoring and other aspects.院地铁 下穿铁路 安全及沉降 控制方法Key words subway under-passing the railway safety and settlement control methods中图分类号院U215.11 文献标识码院A 文章编号院1006-4311（2014）15-0142-020