抚顺铝厂电解五厂厂房的天车轨道全长360米,每边有混凝土梁60根。经检测发现北侧有18根混凝土梁已破损,其中20根螺栓松动;南侧有35根梁是破损严重的,天车轨道有4处断裂,梁的破坏面积达60～70%以上。急需更换的梁就有8根,威胁安全生产。电解厂的生产工艺要求防水,因此混凝土梁的 The crane track of Fushun Aluminum Plant’s No. 5 Electrochemical Plant has a total length of 360 meters and there are 60 concrete beams on each side. 18 concrete beams have been damaged on the north side and 20 bolts have been loosened; 35 beams on the south side have been seriously damaged; there are 4 fractures on the crane track, and the destruction area of ​​the beam is more than 60-70%. There are eight beams that are in urgent need of replacement, threatening safety in production. The production process of the electrolysis plant requires waterproofing, so the concrete beam