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CRCC Heavy Industry Shield Machine Achieves Record 645 Meters of Tunneling in One Month on Beijing Subway

2013-05-29 493 0人评论

近日，集团公司设计制造服务于北京地铁六号线11标物资学院至北关站区间的中铁十八局DZ001盾构机在4月21日到5月20日期间内完成645.6米的掘进，最高日进尺31.2米，突破了之前保持的508.8米的月掘进记录，再创公司盾构月掘进记录新高。
　　据悉，DZ001盾构在掘进过程中，其中4天穿越京承客货两用铁路特级风险源一处，区间长度84米，平均日进尺21米，其地面沉降控制要求隆起5mm以下，沉降10mm以内的范围，而盾构穿越后实际地面沉降控制在2mm以内；另穿越高压、中压燃气输送管路一级风险源4次；并克服长距离物料运输及测量换站、管片运输进厂、倒班等共计5天的延误等不利因素。

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CRCC Heavy Industry Shield Machine Achieves Record 645 Meters of Tunneling in One Month on Beijing Subway

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CRCC Heavy Industry Shield Machine Achieves Record 645 Meters of Tunneling in One Month on Beijing Subway

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Fuxing Chishui River Bridge on Yuchixu Expressway Adopts Concrete Backfill Secondary Drilling Technique

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