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First Shield Tunnel Section of Section 4, Bid 2 of Fuzhou Metro Line 6 Achieves Double-Line Breakthrough

2019-01-24 847 0人评论

　　近日,福州地铁6号线2标4工区迎来2019年开门红。鹤上--沙京区盾构区间左线顺利接收,提前1个月完成业主下达的节点目标,同时也标志着该项目部首条盾构区间实现双线贯通。

　　此次双线贯通的鹤上站至沙京站区间,全长868米,穿越地层主要为淤泥、淤泥质土及粉质黏土,沿途还下穿莲柄港河、1座危桥、203省道、部分预埋管桩及无桩基危房,施工要求及风险较高。该区间的右、左线盾构分别于去年1月30日、8月30日始发。其中右线盾构于去年7月19日顺利洞通接收。今年仍将有5台盾构机同时掘进约5公里。盾构将分别穿越上软下硬、孤石等复杂地质及下穿一级、二级风险源房屋16处,此外,将有2条隧道交叉重叠穿越,施工工期紧、难度大、风险高。

In 2019, Xinjiang will build or upgrade 841 kilometers of national and provincial trunk highways and add 434 kilometers of expressways

Full Breakthrough Achieved on Shield Tunneling Works of Section 4 of Chengdu Rail Transit Line 18

First Shield Tunnel Section of Section 4, Bid 2 of Fuzhou Metro Line 6 Achieves Double-Line Breakthrough

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First Shield Tunnel Section of Section 4, Bid 2 of Fuzhou Metro Line 6 Achieves Double-Line Breakthrough

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