Abstract:Compared with the traditional floor stand method, the construction technology of segment bent cap by reverse tension method is safe, fast, economic and efficient, which is more suitable for bridge construction on busy road. In order to form and perfect the precast bent cap assembly technology by reverse tension method, the whole process of the performance evolution of the substructure during the assembly of bent cap by reverse tension method is grasped. By previewing the typical in-situ assembly of bent cap segment by reverse tension method and monitoring the whole construction process of multi-type standard bent caps by reverse tension method, the assembly technique of precast bent cap by reverse tension method is evaluated to form the assembly construction technologies for large-cantilever and small-pier spacing precast bent cap by reverse tension method, which can provide the reference for the similar projects.