[Project Overview] The civil construction standard for the turn-back line of the Sijiqing Station of Hangzhou Metro Line 9 Phase I is mainly composed of a 163.9m-like rectangular shield [segment wall thickness of 0.45m, which is a prefabricated reinforced concrete segment] and a 67.2m-like Rectangular pipe jacking [pipe section thickness 0.75m, reinforced concrete prefabricated pipe section] and 128.5 m street jacking pipe (pipe jacking length between C/D entrance and exit is 61.5m, E/F entrance and exit pipe length is 67m), and Reinforcement of sending and receiving ends and other construction content. Among them, the cross-section of the tunnel is rectangular, the size of the rectangular shield is 11.5m×7m (the cross-sectional area is about 66.879 square meters), and the size of the rectangular jack pipe is 12.06m×7.5m (the cross-sectional area is about 75.647 square meters).
[Construction site] Hangzhou City, Zhejiang Province
[Estimated investment] 151.7185 million yuan
[Bid Period] 14:30, September 28, 2020
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