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底层为商店的住宅楼是常见的综合建筑,在多层建筑中占有相当比例。近十年南京的多层商店住宅楼中,大多数采用底框架抬砖混住宅。南京的设防烈度为7度,89抗震规范限制总高度为19米、6层,采用一层抬五层或二层底框架抬五层。由于框架和砖混住宅是不同性质的结构材料,二层砖墙与底层框架的侧移刚度值相差甚大;建筑物每平方
Residential buildings with shops on the ground floor are common building complexes and occupy a considerable proportion of multi-storey buildings. In the past ten years, most of the multi-storey residential buildings in Nanjing use the bottom frame to raise bricks and masonry. Nanjing has a fortification intensity of 7 degrees. The 89 earthquake resistance code limits the total height to 19 meters and 6 floors. It uses a five-story lift or two-story bottom frame to lift five floors. Since the frame and brick-concrete dwellings are structural materials of different nature, the values of the lateral stiffness of the two-story brick wall and the underlying frame differ greatly; buildings per square