滑移元件在不规则滑移隔震结构中的优化布置研究
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摘要
采用遗传算法对平面布置不规则的多层框架结构进行滑移元件的优化布置研究,提出一种新型的优化布置方法:首先采用固定单元分割的方法将布置不规则的建筑平面进行单元划分;然后采用遗传算法对单个单元进行滑移元件的优化布置,提出滑移元件在单个单元内的最佳布置方案;最后综合考虑各方面的影响因素,提出滑移元件在整个建筑中的最佳布置方案.通过对比研究三种情况下的结构顶层加速度、基底滑移量等参数的影响,验证了所提出的滑移元件优化布置方法的可行性,为基础滑移隔震结构推广与应用奠定了基础.
By using the method of genetic algorithm,the research on optimal sliding component placement of an irregular layout multi-frame framework structure is carried out in this essay,and a new method for optimal placement is proposed which contains three steps.First,the fixed unit segmentation method is used to divide the irregular layout of the building into units.Second the method of genetic algorithm is used to form an optimal arrangement of the sliding components and bring forward the optimal placement plan of the sliding components in every unit.Finally,considering all aspects of the influence factors,the best layout plan of the sliding components in the whole building is recommended.By comparing the influence of the top floor’s acceleration,basal sliding and some other parameters,the feasibility of the method for the sliding components’arrangement is confirmed,laying a foundation for the promotion and application of the base sliding isolated structure.
By using the method of genetic algorithm,the research on optimal sliding component placement of an irregular layout multi-frame framework structure is carried out in this essay,and a new method for optimal placement is proposed which contains three steps.First,the fixed unit segmentation method is used to divide the irregular layout of the building into units.Second the method of genetic algorithm is used to form an optimal arrangement of the sliding components and bring forward the optimal placement plan of the sliding components in every unit.Finally,considering all aspects of the influence factors,the best layout plan of the sliding components in the whole building is recommended.By comparing the influence of the top floor’s acceleration,basal sliding and some other parameters,the feasibility of the method for the sliding components’arrangement is confirmed,laying a foundation for the promotion and application of the base sliding isolated structure.
引文
[1]李立.建筑物的滑动隔震技术的研究与应用[M].北京:地震出版社,1991.LI Li.Research and application of sliding seismic isolation technology for buildings[M].Beijing:Earthquake Press,1991.
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[4]HOLLAND J H.Outline for a logical theory of adaptive systems[J].Journal of the Association for Computing Ma-chinery,1962,9(3):297-328.
[5]梁艳春,吴春国.群智能优化算法理论与应用[M].北京:科学出版社,2009.LIANG Yan-chun,WU Chun-guo.Group of intelligent optimization algorithm theory and application[M].Beijing:Science Press,2009.
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[8]雷英杰,张善文.Matlab遗传算法工具箱及应用[M].西安:西安电子科技大学出版社,2005.LEI Ying-jie,ZHANG Shan-wen.Matlab genetic algorithm toolbox and application[M].Xi′an:Xidian University Press,2005.
[9]熊仲明,王清敏,丰定国,等.基础滑移隔震房屋抗震性能的试验研究[J].建筑结构,2000,30(3):11-16.XIONG Zhong-ming,WANG Qing-min,FENG Ding-guo,et al.Experimental Study on Aseismic Behavior of Build-ing with Vibration Insulating Foundation by Sliding System[J].Building Structures,2000,30(3):11-16.
[10]王超.滑移元件在复杂滑移隔震结构中的优化布置研究[D].西安:西安建筑科技大学,2011.WANG Chao.The analysis of optimal sliding component placement of complicated sliding isolated structure[D].Xi′an:Xi′an Univ.of arch.&Tech.,2011.
[11]熊仲明,俞茂宏,王清敏,等.基础滑移隔震房屋结构设计与工程应用的理论研究[J].振动与冲击,2003,22(3):50-54.XIONG Zhong-ming,YU Mao-hong,WANG Qing-min,et al.Theoretical study on design and application on slid-ing base isolation structure[J].Journal of Vibration and Shock,2003,22(3):53-54.
[12]熊仲明,霍晓鹏,苏妮娜.一种新型基础滑移隔震框架结构体系的理论分析与研究[J].振动与冲击,2008,27(10):124-129.XIONG Zhong-ming,HUO Xiao-peng,SU Ni-na.Theoretical analysis of sliding base isolation frame structure[J].Journal of Vibration and Shock,2008,27(10):124-129.
[13]姚谦峰,梅占馨,吴敏哲.滑移隔震结构振动分析[J].西安建筑科技大学学报:自然科学版,1999,31(3):208-210.YAO Qian-feng,MEI Zhan-xin,WU Min-zhe.Vibration analysis of structure base isolated by sliding[J].Xi′an Univ.of Arch.&Tech.:Natural Science Edition,1999,31(3):208-210.
[2]熊仲明,王清敏,丰定国,等.基础滑移隔震房屋的计算研究[J].土木工程学报,1995,28(5):21-30.XIONG Zhong-ming,WANG Qing-min,FENG Ding-guo,et al.Study on the calculation of brick masonry structure base isolated with sliding layer[J].China Civil Engineering Journal.1995,28(5):21-30.
[3]刘夏石.工程结构优化设计:原理、方法和应用[M].北京:科学出版社,1984.LIU Xia-shi.Engineering structure optimization design:the principle,method and application[M].Beijing:Science Press,1984.
[4]HOLLAND J H.Outline for a logical theory of adaptive systems[J].Journal of the Association for Computing Ma-chinery,1962,9(3):297-328.
[5]梁艳春,吴春国.群智能优化算法理论与应用[M].北京:科学出版社,2009.LIANG Yan-chun,WU Chun-guo.Group of intelligent optimization algorithm theory and application[M].Beijing:Science Press,2009.
[6]BAGLEY J D.The behavior of adaptive systems which employ genetic and correlation algorithms[D].University of Michigan,1967.
[7]GLODBERG David E.Genetic algorithms in search,optimization and machine learning[M].Addison-Wesley,1989.
[8]雷英杰,张善文.Matlab遗传算法工具箱及应用[M].西安:西安电子科技大学出版社,2005.LEI Ying-jie,ZHANG Shan-wen.Matlab genetic algorithm toolbox and application[M].Xi′an:Xidian University Press,2005.
[9]熊仲明,王清敏,丰定国,等.基础滑移隔震房屋抗震性能的试验研究[J].建筑结构,2000,30(3):11-16.XIONG Zhong-ming,WANG Qing-min,FENG Ding-guo,et al.Experimental Study on Aseismic Behavior of Build-ing with Vibration Insulating Foundation by Sliding System[J].Building Structures,2000,30(3):11-16.
[10]王超.滑移元件在复杂滑移隔震结构中的优化布置研究[D].西安:西安建筑科技大学,2011.WANG Chao.The analysis of optimal sliding component placement of complicated sliding isolated structure[D].Xi′an:Xi′an Univ.of arch.&Tech.,2011.
[11]熊仲明,俞茂宏,王清敏,等.基础滑移隔震房屋结构设计与工程应用的理论研究[J].振动与冲击,2003,22(3):50-54.XIONG Zhong-ming,YU Mao-hong,WANG Qing-min,et al.Theoretical study on design and application on slid-ing base isolation structure[J].Journal of Vibration and Shock,2003,22(3):53-54.
[12]熊仲明,霍晓鹏,苏妮娜.一种新型基础滑移隔震框架结构体系的理论分析与研究[J].振动与冲击,2008,27(10):124-129.XIONG Zhong-ming,HUO Xiao-peng,SU Ni-na.Theoretical analysis of sliding base isolation frame structure[J].Journal of Vibration and Shock,2008,27(10):124-129.
[13]姚谦峰,梅占馨,吴敏哲.滑移隔震结构振动分析[J].西安建筑科技大学学报:自然科学版,1999,31(3):208-210.YAO Qian-feng,MEI Zhan-xin,WU Min-zhe.Vibration analysis of structure base isolated by sliding[J].Xi′an Univ.of Arch.&Tech.:Natural Science Edition,1999,31(3):208-210.
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