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以重庆轨道交通6号线二期北碚段盾构地下调头为工程实例,通过对盾构在狭小空间条件下地下调头施工过程的主机调头、后配套调头、轨道铺设、过程控制技术等几方面进行详细的阐述,对盾构地下调头施工进行总结,为今后类似施工提供借鉴。
Taking the underground U-turn of Beijiao section of No.6 line of Chongqing Rail Transit Line 6 as an example, this paper conducts a series of experiments on the ground-supported turn-over of the ground under the condition of small space, Detailed exposition, summarizes the construction of the underground tunnel of the shield and provides reference for similar construction in the future.