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以中等跨径混合式拱桥结合段为研究对象,从施工简便及传力合理两方面进行了设计比选,确定了外置钢箱后承压板式为最优构造形式,并运用ANSYS软件对该形式的结合段建立有限元模型分析,验证了设计的科学性和合理性。
Taking the mid-span mixed arch bridge as the research object, the design and comparison are made from the aspects of simple construction and reasonable force transmission. The optimal structure of the pressure-bearing plate after the external steel box is determined and analyzed by ANSYS software The finite element model was established in the form of combined sections, which verified the scientificity and rationality of the design.