| 钢-混凝土组合梁的截面优化设计 |
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| 引用本文： | 刘齐茂,李微,李暾,张鹏.钢-混凝土组合梁的截面优化设计[J].兰州理工大学学报,2006,32(3):115-118. |
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| 作者姓名： | 刘齐茂 李微 李暾 张鹏 |
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| 作者单位： | 1. 广西工学院,土木建筑系,广西,柳州,545006
2. 东南大学,土木学院,江苏,南京,210018 |
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| 基金项目： | 广西自然科学基金
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广西工学院校科研和教改项目 |
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| 摘 要： | 钢-混凝土组合梁的截面优化可提高其自身的性能、节省材料.结合设计规范,建立了钢-混凝土简支组合梁两类截面的优化数学模型,采用序列二次规划优化算法并用Matlab语言编制了计算程序,对一简支组合梁截面进行了优化设计,取得很好的优化效果,数值结果表明优化数学模型正确、算法有效.该方法可应用于钢-混凝土组合梁的工程优化设计.
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| 关 键 词： | 钢-混凝土组合梁 截面优化设计 分布荷载 |
| 文章编号： | 1673-5196（2006）03-0115-04 |
| 收稿时间： | 2005-08-24 |
| 修稿时间： | 2005年8月24日 |
Optimization design of cross-section of steel-concrete composite beams |
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| LIU Qi-mao,LI Wei,LI Tun,ZHANG Peng.Optimization design of cross-section of steel-concrete composite beams[J].Journal of Lanzhou University of Technology,2006,32(3):115-118. |
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| Authors: | LIU Qi-mao LI Wei LI Tun ZHANG Peng |
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| Abstract: | Optimization of cross-section of steel-concrete composite beams can improve their capability,economize material.According to the design specification,a mathematical model of optimization for two kinds of cross-sections of simply-supported steel-concrete composite beams was established.The sequential quadratic programming algorithm was adopted and the computer program was made with Matlab language.The optimum was achieved in the optimization design of the cross-section of a simply supported steel-concrete composite beams.Numerical result illustrated that the optimization mathematical model of optimization was valid and the algorithm effective.The method can be used in the engineering optimization design of steel-concrete composite beams. |
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| Keywords: | steel-concrete composite beams cross-section optimization design distributed loads |
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