Abstract

Info

Title:: Experiment of Seismic Behavior of Thin Mortar Composite Masonry Wall with Thin Shell Thermal Block

Author(s):: QIN Chao-gang; BAI Guo-liang; FU Guang-ming; School of Civil Engineering, Xi’an University of Architecture and Technology

Keywords:: composite masonry wall; pseudo-static test; seismic behavior; failure mechanism

Abstract:: In order to study the influence of setting horizontal binding bands and constructional columnbeam on seismic behavior of thin motor composite wall with thin shell thermal block, nine wall specimens were designed.The seismic behaviors of walls were compared with or without horizontal binding bands and constructional columnbeam, and the influences of vertical compressed stress, size of opening and position of opening on the seismic behavior of masonry walls, and the failure mechanism were analyzed. The results show that the integral performance of the wall is increased through setting horizontal binding bands and constructional columnbeam. The bearing capacity changes from up and down parts of walls to the constructional column, so serious damage is concentrated in the constructional column. The seismic behavior of walls with horizontal binding bands and constructional columnbeam is obviously better than that without the construction, and the bearing capacity and deformation performance are increased, the hysteresis loops are plump, the stiffness degradation is slow and has residual stiffness, and the later deformation performance is good. The both sides of opening of composite masonry wall are seriously damaged, so the bearing capacity is weakened by opening.