大跨度钢桁架转换结构振动台试验研究-世界地震工程.PDF

22 4 Vol. 22, No. 4 2006 12 W ORLD EARTHQUAKE ENGINEERING Dec. , 2006 : 2006) 04014 0 1 2 3 刘劲松 裘 涛 贺明卫 ( 1. , 210096; 2. , 310027; 3. , 18067) : , 1/2 , , 0. 9g, , ; , ; , , , ; , : ; ; ; : P31 : A Shak ing tab le experim en t study on perform an ce of longspan steel tran sfer trusses 1 2 3 LIU Jingsong Q IU Tao HE M ingw ei ( 1. ArchitecturalDesign and Research Institute, SoutheastUniversity, Nanjing 210096, China; 2. A rchitecturalD esign and Research Institute, Zhejiang University, H angzhou 310027, China; 3. HuashenA rchitectural Eng ineering D esigning Consultants LTD. , Shenzhen 48067, China) Abs tract: Based on a shak ing table expermi ent of 12 scale frameshearw all structure model w ith steel transfer trusses, the seism ic responses of steel transfer trussesw ere studied under different peak accelerations of earthquake w aves by the straingauge transducers stuck to somemembers of steel trusses. Som e cracks appear on the shearw alls w hich are supported steel transfer trusses until the peak accelerations of the earthquakew aves to reach 0. 9 g, so the shearw alls are in good seism ic performance. In the seism ic responses caused by the artificialw ave, sitew ave and El Centro w ave, that caused by the artificialw ave is themost intense one. Because steel transfer trusses are restrained by shearw alls, stresses of the members connecting to the shearw alls are large. K ey w ord s: longspan; steel truss; transfer structure; shak ing table expe