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本文对门式支架用于现浇预应力混凝土连续箱梁施工进行了探索和总结,在箱梁支架和模板体系的选择、验算及安装、预应力筋和加工安装、混凝土浇筑、后张预应力张拉等方面形成了一套较为成熟的施工工法,该工法设计科学,结构尺寸标准,安拆方便快捷,有较好的经济效益。
In this paper, the door bracket for the construction of cast-in-place prestressed concrete continuous box girders were explored and summarized in the box girder and the template system selection, checking and installation, prestressing tendons and processing and installation, concrete pouring, post-tensioned prestressed sheets Pull and other aspects of the formation of a more mature construction method, the method of design science, structural size standards, quick and easy installation and demolition, have better economic benefits.