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结合长春至深圳高速公路承德至唐山段,K39+175东河2号桥冬季预应力混凝土箱梁施工的工程实例,通过采取蒸汽养护等施工工艺,对预应力混凝土的冬季施工措施进行初步探索,从而为保证预应力混凝土箱梁的施工质量、工程进度以及降低冬季施工费用提供一些借鉴。
Based on the engineering examples of the construction of prestressed concrete box girder of K39 + 175 Donghe No.2 Bridge in Chengde-Tangshan section of Changchun-Shenzhen Expressway, winter construction measures of prestressed concrete are preliminarily explored by adopting the steam curing and other construction techniques. So as to provide some references for guaranteeing the construction quality of prestressed concrete box girder, the progress of the project and reducing the construction cost in winter.