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上海市轨道交通11号线南段土建工程9标东区隧道盾构顺利进洞,该标段全线贯通。该工程采用的是两台直径11.58m的大直径泥水平衡盾构同向掘进、内部结构同步施工,是全国首次大直径泥
On the 11th line of Shanghai Metro Line 11, the civil engineering of Baoding Dong Tunnel successfully penetrated the tunnel. The project uses two large diameter 11.58m diameter mud-water balanced shield tunneling with the same, the internal structure of the simultaneous construction of the country’s first large-diameter mud