桥墩裂损时,一般采用加筑钢筋混凝土箍的办法进行加固。但是很多桥墩加箍后,往往又发生裂纹,特别是哈尔滨铁路局管内桥梁,位于严寒地区,这种病害更是严重。例如:绥佳线的汤旺河大桥,桥墩裂损,1979年加筑钢筋混凝土箍后,当年又发生裂纹,有的裂纹宽达10mm。1981年至1983年,在滨洲线松花江 Bridge pier cracking, the general use of reinforced concrete hoop approach to reinforcement. However, after many piers are hoopped, cracks often occur again. Especially, the bridge within the tube of Harbin Railway Bureau is located in a severe cold area and the disease is even more serious. For example: Suiyang line Tangwang River Bridge, pier cracking, reinforced concrete hoop in 1979 after the crack occurred, and some cracks wide 10mm. From 1981 to 1983, the Songhua River at Binzhou Line