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本文对大开间砖砌体结构采取在砖砌体中增设钢筋混凝土墙中柱和水平条带的加强措施。通过大比例模型试验,探讨大开间约束砖砌体结构的破坏形态,研究其抗剪承载力、变形能力和恢复力特性;论证了在7度区采取此项加强措施后七层大开间结构具有较高的承载力和变形能力,可满足相应的抗震设防要求。
In this paper, we adopt the strengthening measures of adding reinforced concrete wall columns and horizontal strips in brick masonry structures. Through large-scale model tests, the failure modes of the constrained brick masonry structures with large bays are discussed, and the shear capacity, deformation capacity and restoring force characteristics of the masonry structures with large bays are discussed. The results show that in the 7th degree zone, Higher bearing capacity and deformation capacity, to meet the corresponding seismic requirements.