浅谈后张法预应力箱梁预制

Discussion on the performing of the post-tensioned prestressed box beam

结合运城绕城高速公路LA8合同段运三跨线桥施工实例,对后张法预制预应力箱梁的施工工艺进行了分析,特别对箱梁安装工艺作了介绍,指出只有严格控制每道施工工艺,在质量、进度方面才能较好地满足施工要求。

Combined with the construction example of freeway around Yuncheng city LAB contract segment three flying bridges, the construction technology of the post-tensioned prestressed box beam was analyzed, the installment technology of box beam was particularly introduced. It pointed out that only control strictly every construction technologies, it can satisfy the construction requirement in the quality and progress.