先简支后连续混凝土箱梁施工控制要点

结合先简支后连续混凝土箱梁的特点,对其施工过程中的控制要点进行了介绍,具体阐述了预应力混凝土箱梁预制,预应力张拉及压浆、现浇连续段施工及体系转换等环节的施工工艺及注意事项,以期促进箱梁结构形式的推广应用。

The construction control points of simply supported to continuous concrete box beam

Combined with simply supported to continuous concrete box beam characteristics,its construction process control points were introduced,the construction process and matters need attention prestressed concrete box beam prefabrication,prestress stretch and grouting,casting continuous construction and system conversion were detail illustrated,so as to promote box beam structure forming popularization.