This technology relies on various difficulties in the construction of upper and lower overlapping tunnels in the section between Chenglindao Station and Jintang Road Station on Tianjin Metro Line 5.Through comprehensive technologies such as model calculation analysis,reinforcement of the pre built tunnel structure,and detachable circular support reinforcement,it effectively solves various difficulties in construction and completes long-distance shield tunneling overlapping construction.This technological achievement has achieved significant social and economic benefits,and has positive reference significance for urban subway design and construction,with broad prospects for promotion and application value.
small clearanceoverlapping tunnelcomprehensive technology
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