浅谈高速公路桥梁体外预应力钢束加固技术

Discussion on the external prestressing steel strands reinforcement technology of express highway bridge

以佛开高速吉利河特大桥体外索加固施工为例,介绍了吉利河特大桥第11跨~第15跨变截面连续箱梁箱内体外索施工的成功经验,还推荐了在体外索张拉关键工序中采用了悬浮张拉支架新工艺的技术应用,以期指导实践。

With the external cable reinforcement construction of Jilihe Bridge of Fo-Kai express highway as example,the 11 th～15 th span variable cross section continuous box successful experience of Jilihe super Bridge was introduced,the suspension stretch bearer new technology technical application adopted in external cable stretch critical procedure was recommended so as to guide practice.