On June 17th, the construction of the assembly type RPC lining test section of the Qilicun Tunnel in Section A of the Guilin Outer Ring Expressway, which was constructed by Poly Changda, was successfully completed.
This marks the completion of the “research and development test application” full process loop of the assembly type lining technology for large section mountain road tunnels in China, providing key technical support for the transition of highway tunnel construction from cast-in-place mode to factory precast assembly industrial construction.
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