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Pseudodynamic test on a reduced scale jointed precast concrete frame structure

LU Xilin1,FAN Li1,2,ZHAO Bin1(1.State Key Laboratory for Disaster Reduction in Civil Engineering,Tongji University,Shanghai 200092,China;2.School of Architecture and Civil Engineering,China University of Mining and Technology,Xuzhou 221116,China)  
The pseudodynamic test was conducted on a 1/2 scale jointed precast concrete frame structure model with one floor,single span and two bays,which was assembled by the bean-to-column connections with rubber cushion and bolt in order to investigate its seismic behaviors including the failure pattern,deformation,hysteretic characteristic,energy dissipation,strength and stiffness etc.The test results show that this jointed precast concrete frame structure can provide satisfactory seismic performance;and the beam-to-column connections with rubber cushion and bolt work well.However,the welding connections between the roof slab to beam,which is the weakness of the structure system,were severely damaged in the test.It is suggested that the connections between roof slab to beam should be strengthen in design,or flexible connections should be used.
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