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Mixed structures use bricks or blocks as walls, reinforced concrete or prestressing concrete as floor slabs. Because of its simple construction and low cost, it is one of the most widely used structural forms, but its self-weight is large and its seismic performance is poor. In order to improve its seismic www.diandongmenc.com.cnwww.chongyajiann.cnwww.yanglaoyuanc.com.cn

www.diandongmenc.net.cnwww.chongyajiann.com.cnwww.xinzhouyanglao.cnperformance, reinforced concrete structural columns are added at the junction of internal and external walls and at the corner of external walls, also known as seismic columns. Structural columns are connected with ring beams of buildings and roofs to improve the integrity, strength and deformation capacity of buildings. When walls are built with hollow blocks, steel bars can be inserted into the holes of the blocks, and concrete is poured into the holes to form reinforced concrete columns, so as to increase the seismic resistance of buildings.