特大火灾后的建筑结构鉴定和抢修加固方法陈玉锦，王树铭，汪浩，马洪源鞍山市某商场由东、西、南、北楼４部分组成圈楼形式（图１）。该商场北楼６层，局部８层，为框架结构。东、西、南楼均为４层，为内框架结构。楼板均采用预制空心板。南北长５４ｍ，东西长８９ｍ，各... Building structure identification and repairing and reinforcement methods after an extremely large fire Chen Yujin, Wang Shuming, Wang Hao, Ma Hongyuan A shopping mall in Anshan consists of four parts of the east, west, south, and north buildings (Figure 1). The mall is located on the 6th floor of the North Building, with 8 floors and a frame structure. The east, west, and south buildings are all four floors and are internal frame structures. Floor slabs are made of prefabricated hollow slabs. 54m long from north to south, 89m from east to west, each...