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一、概况无筋砖砌体,是一种抗拉、抗剪强度很低的脆性材料,抗震性能很差,已被工程界所关注。为了向高层砌体建筑发展和抗震的需要,国外近三十多年来,特别是近十年来,对于配筋砌体或用钢筋混凝土加强的砌体结构进行了大量的试验研究工作,并使之应用于工程实际,建造了大量的15~20层配筋砌体结构高层建筑,经受了地震的考验。
I. Overview Unreinforced brick masonry is a brittle material with low tensile strength and shear strength. It has poor seismic performance and has attracted attention from the engineering community. In order to meet the needs of high-rise masonry building development and earthquake resistance, a large number of experimental researches have been carried out on reinforced masonry or masonry structures reinforced with reinforced concrete in the past more than 30 years, especially in the past decade. The application of the project to the actual construction of a large number of 15 to 20 layers of reinforced masonry high-rise buildings, has stood the test of the earthquake.