转换层位置对拱式转换层结构抗震性能的影响
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摘要
拱式转换层结构是一种新型转换层结构形式,通过算例分析比较,对高位拱式转换层结构的抗震性能和受力特点等进行了研究。结果表明,当转换层位置逐渐上移时,结构周期及振型仅有一些量的变化,而没有质的变化;随着转换层位置的提高,转换层本身的层间位移角变化较小,表明其转换层本身的整体性很强,转换层下部楼层的层间位移角增大,因此结构设计时,转换层不宜设置过高。
The arch transfer story structure is a new type of transfer story structure.The dynamical characteristics and seismic response behavior of arch transfer story structures with different levels of transfer story on high position have been studied.The results show that with the level of transfer story increasing,the natural period and vibration mode of the structure change a little,and the change of inter-story drift angle of the transfer story is small,and that the transfer story in itself is rigid.And the inter-story drift angles of the storys below transfer story increase when transfer story located at a higher level.Therefore,the level of transfer story should not be too high in structure design.
The arch transfer story structure is a new type of transfer story structure.The dynamical characteristics and seismic response behavior of arch transfer story structures with different levels of transfer story on high position have been studied.The results show that with the level of transfer story increasing,the natural period and vibration mode of the structure change a little,and the change of inter-story drift angle of the transfer story is small,and that the transfer story in itself is rigid.And the inter-story drift angles of the storys below transfer story increase when transfer story located at a higher level.Therefore,the level of transfer story should not be too high in structure design.
引文
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[2]荣维生,王亚勇.板式转换结构转换层位置对高层建筑抗震性能的影响[J].建筑科学,2004,20(4):1-6.Rong Weisheng,Wang Yayong.Effect of the level of transfer slab on seismic behavior of tall building structures[J].Building Science,2004,20(4):1-6.
[3]张敏,梁炯丰.拱式转换层结构竖向受力分析[J].工业建筑,2008,(5):46-49.Zhang Min,Liang Jiongfeng.Analysis of arch transfer floor subjected to vertical loading[J].Industrial Construction,2008(5):46-49.
[4]梁炯丰,张敏.拱式转换层上、下部刚度比对结构多遇地震反应的影响分析[J].特种结构,2007,24(2):65-69Liang Jiongfeng,Zhang Min.Analysis of effect of stiffness ration of arch transfer floor structure on frequent earthquake reaction[J].Special Struc-tures,2007,24(2):65-69.
[5]刑静忠,王永岗,陈晓霞.ANSYS7.0分析实例与工程应用[M].北京:机械工业出版社,2004.Xing Jingzhong,Wang Rongang,Chen Xiaoxia.Examples of Analysis and Engineering Application of ANSYS7.0[M].Beijing:Machinery Indus-try Press,2004.
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