日前,隧道股份上海隧道承建的武汉轨道交通7号线8标三阳路长江隧道盾构始发井底板浇筑完成,为后续越江段大盾构始发创造了条件。武汉轨道交通七号线8标隧道采用2台直径15.76米中国最大直径泥水平衡盾构同时掘进,也是国内首条超大直径“公铁合建”越江隧道。其中,武昌工作井作为越江段 Recently, the construction of tunnel shares Shanghai Tunnel construction of Wuhan Metro Line 7 8 Sanyang Road Yangtze River tunnel shield the beginning of the well bottom plate pouring completed for the follow-up section of the Great Shield shield more than create the conditions. The 8th tunnel of Wuhan Metro Line 7 adopts 2 tunnels with a diameter of 15.76 meters and the largest diameter of mud and water balance shield tunneling simultaneously. It is also the first large-diameter tunnel in the country. Among them, Wuchang wells as Yuejiang section