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由砖墙、预制板组成的砖混结构,是目前我国应用最广泛的结构形式。在国内外历次震害调查中,多层砖房的破坏率都比较高,表明砖混结构房屋抵抗地震灾害的能力较差。地震时地震荷载主要集中在楼(屋)盖水平面,并通过楼(屋)盖与墙体的连接处传给下层墙体。《工业与民用建筑抗震设计规范》(TJ11-78)规定:“钢筋混凝土预制板在内墙上的搁置长度,不应小于10cm”。目前多采用24cm厚砖墙,由于施工
The brick-concrete structure composed of brick walls and prefabricated panels is currently the most widely used structural form in China. In the investigation of earthquake damage at home and abroad, the destruction rate of multi-storey brick houses is relatively high, indicating that the ability of brick-concrete structural houses to resist earthquake disasters is poor. Earthquake loads during earthquakes are mainly concentrated in the water level of the building (house) cover, and are transmitted to the lower wall through the junction between the building (house) cover and the wall. The “Code for Seismic Design of Industrial and Civil Buildings” (TJ11-78) stipulates: “The length of the rest of reinforced concrete precast slabs on the inner wall shall not be less than 10cm.” At present, 24cm thick brick walls are often used due to construction