红门川3#桥现浇箱梁施工

随着高速公路的快速发展,现浇预应力混凝土连续箱梁因线形美观、稳定性好而被广泛采用。文章以京承(北京至承德)高速公路红门川3#桥为例,介绍了利用满堂支架施工现浇预应力混凝土连续箱梁的施工工艺与流程,望对同类桥梁施工有所指导与借鉴。

Construction of cast-in-place box-girder of the Hongmenchuan 3rd bridge

With the rapid development of highway, due to its beautiful appearance and good stability, the prestressed concrete continuous box girder is widely used. In this paper, taking Hongmenchuan 3rd bridge on the Beijing-Chengde highway as an example, introduced the construction technology and the process of constructing cast-in-place prestressed concrete continuous box girder with full scaffold in hopes of giving some guidance and reference to the similar bridge construction.