基于GSO和IDA的钢结构建筑抗震优化设计方案  

Seismic Optimization Design of Steel Structure Building Based on GSO and IDA

作　　者：吴长清 琚宏昌[2] 陈云杰 WU Changqing;JU Hongchang;CHEN Yun(Department of Civil Engineering, Lushan College of Guangxi University of Science and Technology, Liuzhou 545616;School of Civil and Architecture Engineering, Guangxi University of Science and Technology, Liuzhou 545006;Department of the Fourth Design, Nanning Institute of Architecture Design, Nanning 530022 China)

机构地区：[1]广西科技大学鹿山学院土木工程系,广西柳州545616 [2]广西科技大学土木建筑工程学院,广西柳州545006 [3]南宁市建筑设计院第四设计所,广西南宁530022

出　　处：《湘潭大学自然科学学报》2017年第4期81-84,共4页Natural Science Journal of Xiangtan University

基　　金：国家自然科学基金项目(地区科学基金项目)(51168006)

摘　　要：为了提高钢结构建筑的抗震性能,提出一种基于群搜索优化(GSO)算法和增量动力分析(IDA)性能评估的钢结构建筑抗震优化设计方案.首先,根据"中国建筑抗震设计规范(GBS0011-2010)"中的相关设计规范构建了一些结构和负载能力约束.然后,对传统GSO算法进行改进,使其能够更快地收敛到最优.接着,基于GSO对钢结构建筑中各组件参数进行优化,并通过IDA方法来评估备选方案的抗震性能,作为优化算法中解的适应度.最后,通过多次迭代获得最终的结构方案.实验结果表明,在不增加材料成本下,提出的方法所获得的结构方案具有良好的抗震性能.In order to improve the seismic performance of steel structure,a seismic design scheme for steel structure building based on group search optimizer(GSO)algorithm and incremental dynamic analysis(IDA)performance evaluation is proposed.Firstly,some structural and load capacity constraints have been constructed.Then,the traditional GSO algorithm is improved to make it better to converge to the best.After that,the parameters of each component in the steel structure are optimized by the GSO,and the seismic performance of the alternative is evaluated by IDA method,which as the fitness of the solution in the optimization algorithm.Finally,the final structural scheme is obtained by multiple iterations.The experimental results show that the proposed scheme has good seismic performance without increasing the material cost.

关 键 词：钢结构建筑 抗震优化设计 群搜索优化 增量动力分析 

分 类 号：TU311[建筑科学—结构工程]