| 斜拉桥施工张拉力的确定与优化 |
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| 引用本文： | 郑志均,项贻强,朱卫国. 斜拉桥施工张拉力的确定与优化[J]. 中国市政工程, 2002, 0(3): 26-29 |
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| 作者姓名： | 郑志均 项贻强 朱卫国 |
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| 作者单位： | 浙江大学交通工程研究所,杭州,310027 |
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| 摘 要： | 采用正装计算法确定斜拉桥的施工张拉力 ,利用影响矩阵和最小二乘法对斜拉桥的施工张拉力进行优化 ,并计入混凝土的收缩徐变、结构的几何非线性等因素的影响。
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| 关 键 词： | 斜拉桥 施工张拉力 影响矩阵 优化 |
Determination and Optimization of Cable Stresses during Construction for Cable-stayed Bridge |
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| Zheng Zhijun,XiangYiqiang,Zhu Weiguo. Determination and Optimization of Cable Stresses during Construction for Cable-stayed Bridge[J]. China Municipal Engineering, 2002, 0(3): 26-29 |
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| Authors: | Zheng Zhijun XiangYiqiang Zhu Weiguo |
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| Abstract: | The cable stresses during construction are determined by the forward calculation method and are optimized by utilizing influence matrix and least square method with taking the influence of concrete shrinkage and creep, and geometric non linearity of the structure into account. |
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| Keywords: | cable stayed bridge cable stresses during construction influence matrix optimization. |
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