| 基于Lagrange乘数法的钢筋混凝土矩形截面单筋梁截面优化 |
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| 引用本文： | 李斌,黄耿东,刘骜.基于Lagrange乘数法的钢筋混凝土矩形截面单筋梁截面优化[J].邵阳学院学报(自然科学版),2011,8(2):52-55. |
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| 作者姓名： | 李斌 黄耿东 刘骜 |
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| 作者单位： | 邵阳学院城市建设系,湖南邵阳,422004 [2]湖南省第四工程有限公司,湖南邵阳422001 |
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| 摘 要： | 以工程成本为目标函数,以截面有效高度为设计变量,考虑弯矩设计值、截面尺寸、配筋率等约束条件,建立了钢筋混凝土矩形截面单筋梁的优化模型.采用Lagrange乘数法对优化模型进行求解,通过算例证明该方法的有效性,为优化提供新的思路.
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| 关 键 词： | 单筋梁 优化 Lagrange乘数法 |
Optimal Design for Reinforced Concrete Rectangular Section Single-reinforced Beam Based on Lagrange Multiplier Method |
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| LI Bin,HUANG Geng-dong,LIU Ao.Optimal Design for Reinforced Concrete Rectangular Section Single-reinforced Beam Based on Lagrange Multiplier Method[J].Journal of Shaoyang University:Science and Technology,2011,8(2):52-55. |
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| Authors: | LI Bin HUANG Geng-dong LIU Ao |
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| Institution: | 1.Department of Urban Construction, Shaoyang University, Shaoyang, Hunan 422004,China; 2.Fourth No.4 Engineering Co., Ltd. in Hunan province, shaoyang, Hunan 422001, china) |
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| Abstract: | The optimized model has been established in this paper for the reinforced concrete single -reintorced rectangular section beam with the project cost as objective function, the effective depth of section as design variables and consider the design value of |
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| Keywords: | single-reinforcod beam optimization Lagrange multiplier method |
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