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Abstract: Lattice girders have been widely used as a temporary support or part of the permanent lining for NATM tunneling. In order to evaluate the structural performance of lattice girders reinforced shotcrete, influential factors such as diameter of main steel bar and diagonal bar, welding length, stirrup were studied. Moreover, interaction between rock and lattice girders reinforced shotcrete was also...
Abstract: The Gongbei Port tunnel is a critical component of the Hong Kong-Zhuhai-Macau Bridge, currently the largest ongoing construction project in China, connecanwith a series of bridges and tunnels. It is a double deck, three-lane in each direction roadway tunnel with a length of 255 m, cross-sectional area of 345 m and approximate alignment curvature of 900 m. The tunnel is buried within soft...