支架现浇预应力混凝土连续箱梁的施工控制

Construction control of bracket cast-in-situ pre-stressed concrete continuous box-girder

结合南京绕城公路扩建工程，从基底处理、支架预压、混凝土施工、预应力张拉、压浆与混凝土封锚等方面介绍了支架现浇预应力连续箱梁的施工控制要点，以供类似工程参考。

Combined with extension project of Nanjing belt highway, the author introduces construction control elements of bracket cast-in-situ pre-stressed concrete continuous box-girder from treatment of substrate, pre-press of bracket, concrete construction, pre-stress stretching,squeezing and covering anchorage by concrete, which to offer a reference for similar project.