桥面铺装层破坏而出现坑槽、裂缝、松散等病害是目前高速公路中最常见的病害。如湖北省武黄高速公路每年桥面铺装层损坏面约占维修面积的1/3,石安高速公路每年桥面铺装层损坏面约占维修面积的1/2,有的桥面几经修补,但桥面病害仍时有发生。在桥面病害的调查、处理过程中发现病害较严重的部位防水混凝土铺装层已破损,桥面病害 Defective deck decks and the emergence of pits, cracks, loose and other diseases is the most common highway disease. For example, the damaged surface of bridge deck pavement in Wuhuang Expressway accounts for about 1/3 of the repaired area each year in Hubei Province, and the damage area of ​​deck pavement in Shi’an Expressway accounts for about one half of the repaired area every year. Repair, but the bridge disease still occur. In the bridge disease investigation, found that the more serious parts of the site waterproofing concrete pavement has been damaged, the bridge disease