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A Research to Cable Force Optimizing Calculation of Cable-stayed Arch Bridge

机译:缆绳轴承拱桥电缆力优化计算研究

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The paper put forward an optimizing calculation method to optimize the cable initial force of cable-stayed arch bridge while in arch rib cantilever erecting. The arch rib cantilever erection of cable-stayed arch bridge has the construction process of cable removal. It is different in cable-stayed bridge or arch bridge. Therefore common influence matrix cannot be used directly. And the optimizing method in the paper is developed by modifying influence matrix. Also the paper develops a program by using ANSYS APDL language. The program is applied in Lian-cheng Bridge. The calculation result is similar to sequential forward algorithm. Finally the arch rib enclosure deviation is within 5mm. The whole arch curve meets the design request.
机译:本文提出了一种优化的计算方法,以优化拱肋悬臂架架轴承座拱桥的电缆初始力。斜支撑拱桥的拱肋悬臂式安装具有电缆拆除的施工过程。它在斜拉桥或拱桥中是不同的。因此,常见的影响矩阵不能直接使用。并通过修改影响矩阵开发了本文中的优化方法。此外,本文使用ANSYS APDL语言开发了一个程序。该计划适用于联诚桥。计算结果类似于顺序前向算法。最后,拱形肋条外壳偏差在5mm内。整个拱形曲线符合设计请求。

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