后张法预应力现浇箱梁施工工法

On construction methods for post-tension prestressed cast-in-place girder

简要介绍了后张法预应力现浇箱梁工法适用范围及工艺流程,针对该工法中地基处理、支架搭设预压、支座安装、模板铺设等操作要点进行了具体阐述,并对相关参数计算公式予以说明,以期指导实践,确保桥梁的安全与质量。

The paper briefly introduces the applied scope and craft process of the post-tension prestressed cast-in-place girder, illustrates the operation points including the foundation treatment, trestle putting up with prestress, the installation of support, and the model layout etc. , and indicates the calculation formula of relative parameter, so as to direct the practice and ensure the safety and the quality of the bridges.