带填充墙钢框架结构抗侧力性能试验及理论研究刘玉姝.pdfVIP

26 3 　　　　　 Vol.26, No.3 2005 6 Journal of Building Structures June, 2005 :1000-6869(2005)03-0078-07 刘玉姝, 李国强 (, 200092) :7 。 , , , 。, , 。, 1/350。, , 。 :;;;;;; :TU392.1　TU317.1　　:A Experimental and theoretical research on lateral load resistance of steel frames with infilled walls L U Yushu, L Guoqiang (Tongji University, Shanghai 200092) Abstract:n this paper, the tests of seven steel frames with and without autoclaved aerated concrete (AAC)infilled walls under lateral static loading and low-cycle repeated loading are introduced .Through recording the whole deforming process of the steel frames with and without infilled walls under the lateral forces, the effect of AAC infillled walls on the load-bearing capacity and stiffness are obtained, the failure characteristics of connections and the performances of infilled walls are found. n addition, the hysteretic behavior of steel frames with and without AAC infilled walls are achieved as well.The tests prove that the connections between infilled walls and steel frames behave very well and can play an important role in the mutual work of infilled walls and steel frames.Theoretical analysis is carried out through finite element program ANSYS, some of the factors that affect the experimental results are discussed.Furthermore, the elastic interstory angular displacement value 1/350 is given by parametric analysis.Finally, the simplified equation of lateral stiffness of steel frame with infilled walls is presented based on the theoretical analysis and the accuracy of the equation is proved by the test results. Keywords:steel frames;steel frame with infilled wall;cyclic loading;hysteretic behavior;connections;elastic inte