Abstract：
The Taihu avenue node reconstruction project in Wuxi is a project changing the ground road of Taihu avenue into underground passage, and as-cast finish concrete is required to be used on the sidewall and mid board in the tunnel. All-steel large formwork plus side formwork support plus steel pipe slanted strut is used for the formwork supporting system. The requirements of as-cast finish concrete are satisfy through design of concrete proportion, technical requirements for concrete pouring and curing, as well as prevention and control of concrete quality defect, providing abundant experiences and references for similar underground project.
