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轨道交通杨浦线(M8线)双圆盾构隧道工程已进入具体实施阶段。日前,由隧道股份与嘉定地方政府合资组建的嘉方地铁管片制造有限公司已生产4环双圆隧道地铁管片,并顺利完成了三环拼装试验。为验证已生产的双圆隧道管片是否满足设计要求,必须对管片进行1:1结构试验。为此,上海隧道工程股份有限公司技术中心设计了1:1的管片整环(单环)结构试验来校核已生产的管片质量是否满足设计与使用要求。
Rail Transit Yangpu Line (M8 line) Double Round Shield Tunnel project has entered a specific stage of implementation. Recently, Jiarou Metro Piece Manufacturing Co., Ltd., a joint venture between Tunnel Share and Jiading local government, has produced 4-ring double-circle tunnel subway tunnels and successfully completed the third-ring assembly test. In order to verify whether the produced double-circle tunnel segments meet the design requirements, the segment structures must be tested in 1: 1 structure. To this end, Shanghai Tunnel Engineering Co., Ltd. Technology Center designed a 1: 1 ring of the entire ring (single ring) structure test to verify the production of the quality of the pieces to meet the design and use requirements.