Experimental study on seismic performance of tall building with steel transfer trusses located at a higher level
Tóm tắt
Based on a shaking table experiment of 1 : 25 scale frame-shearwall structure model with steel transfer trusses, the dynamic characteristics, seismic responses in elastic and elastic-plastic phases with destructive forms of the structure were studied. It was observed that cracks were developed with earthquake wave acceleration increasing, but no severe crack was developed in the structure during the experiment. In the seismic responses caused by artificial wave, site wave and El Centro wave, that caused by the artificial wave is the most intense one. Displacement angle between steel transfer trusses is large, which means the transfer stories might be weak. However, the seismic performance of the steel transfer trusses is good and the overall structure can satisfy seismic fortification requirements in the region of intensity 6.
Tài liệu tham khảo
LÜ Xi-lin, Li Xue-ping. Some problems on seismic design of out-of-codes high rise buildings[J]. Journal of Building Structures, 2002, 23(2): 13–18.
FU Xue-yi. Design proposals of tall building structures with transfer stories [J]. Journal of Building Structures, 1999, 20(2): 28–42.
XIU Long, ZHU Huo-sheng, HE Guang-qian, et al. Structural design for bank of China [J]. Journal of Building Structures, 2002, 23(4): 75–79.
ZHENG Shan-suo. Analogical ratio between scale models with less ballast and their prototypes under shaking table test [J]. Industrial Construction, 2002, 30(3): 35–39.
ZHU Bo-long. Seismic experiment of structures[M]. Beijing: Earthquake Press, 1989.
JGJ101-96. Seismic experiment specification for building [S].