EXPERIMENTAL STUDY ON SEISMIC PERFORMANCE OF MULTI-RIBBED COMPOSITE WALL
The multi-ribbed composite wall, having the characteristics of load bearing, energy saving, heat preservation and shield wall, is a new type of wall structure with good seismic performance. Based on the experiments of eight 1/2 scale specimens of the multi-ribbed composite wall under low-cycle reversal lateral loads, the influential parameters of the ratio of height to width, axial pressure and lattice- dividing methods etc. were taken into account in this paper. The damage pattern, hysteresis characteristic, bearing capacity, ductility and collapse resistant capacity of the multi-ribbed composite wall under horizontal and vertical loads are mainly studied. The results of experimental study indicate: (1) As a new precast structural member, with average value 6 of the ductility factors and 1/21 of the story drift ratio, the multi-ribbed composite wall has good seismic performance. (2) The materials of multi- ribbed composite wall exert all the function to improve the performance of multi-ribbed composite wall. According to the value of the ratio of height to width, the different failure modes occur in the experiment. It can be defined as the shearing failure mode, the bending failure mode and the complex failure mode. (3) The filling material of block plays an important role in the performance of multi-ribbed composite wall. The ribbed beam has more contribution than the ribbed column to the bearing capacity of multi-ribbed composite wall, but the action of the ribbed column is still notable. At the same time, the axial load on the top of the wall has a great improvement to the bearing capacity.
Multi-ribbed composite wall seismic pelformance experimental study
J. Zhang Q. F. Yao C. G. Wu S. Peng
School of Civil Engineering and Architecture, Beijing Jiaotong University, Beijing, China Shanghai institute of Mechanical and Electrical Engineering Co. Ltd, Shanghai, China
国际会议
上海
英文
656-665
2007-11-28（万方平台首次上网日期，不代表论文的发表时间）