EFFECTS OF INTERFACE SLIP,RELATIVE TRANSVERSAL DISPLACEMENT AND SHEAR DEFORMATION ON DYNAMIC RESPONSE OF COMPOSITE BEAMS
Based on the Euler and Timoshenko beam theories,three models were established considering the surface slip,relative transversal displacement and shear deformation effects. The vibration equations were derived by means of using force equilibrium and deformation compatibility of deformation conditions. Corresponding programs were developed,and dynamic responses under different dynamic loads were obtained. The results were verified by comparing with ANSYS simulation results. The influences of interface slip,relative transversal displacement and shear deformation effects on dynamic responses of composite continuous beam were discussed. The results show that the dynamic responses increase significantly when the effects of interface slip and shear deformation are considered. Whether taking relative transversal displacement into account or not,there is no significant influence on dynamic responses of composite continuous beam. The results of the model considered the three factors synthetically agree best with ANSYS analysis results. Therefore,the model considered the three factors synthetically can simulate dynamic behavior of steel-concrete composite continuous beams better than the other two models.
Composite beam Interface slip Relative transversal displacement Shear deformation Dynamic response
Jing-Jing Qi Li-Zhong Jiang Chuan-Zeng Zhang Zhi-Wu Yu
Department of Civil Engineering and Architecture,Central South University,Changsha 410075,P.R.China Department of Civil Engineering,University of Siegen,57068 Siegen,Germany
国际会议
The Eleventh International Symposium on Structural Engineering(第十一届结构工程国际研讨会)
广州
英文
695-703
2010-12-01（万方平台首次上网日期，不代表论文的发表时间）