介绍了装配式预应力鱼腹梁钢结构的特点,从立柱施工、三角托架施工、支撑围檩安装、鱼腹梁安装等方面,阐述了预应力鱼腹梁工具式组合内支撑技术在工程中的应用,达到了加快施工进度,提高工程质量的效果.%The paper introduces steel structure characteristics of assembly-style prestressed fish-belly beam,describes the application of presstressed fish-belly beam instrument-style internal-bearing technology in engineering from aspects of vertical column construction,triangle bracket construction,bearing surrounding-beam installation and fish-belly beam installation,so as to achieve the effects of speeding up construction schedule and improving engineering quality.
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