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Study on Basket Handle Arch Bridge Dynamic Realization of the Dome and the Tilt of the Lofting Method
Author(s): 
Pages: 127-129,150
Year: Issue:  z1
Journal: Urban Geotechnical Investigation & Surveying

Abstract: 在大型提篮式拱桥的施工放样时,对大桥钢管拱肋外包砼时,每次加载,拱顶都会发生较大变形,拱顶三维坐标随之改变,使放样是动态的.通过研究拱顶结构物的几何特征,利用空间解析几何坐标转换的方法,将原有不断变化的三维坐标转换成固定坐标,从而获得静止的放样要素.本文以国内跨度最大的上承式提篮拱桥落布溪大桥为例,表明该方法非常有效.
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