公路混凝土桥梁的典型病害及养护管理措施  

Typical Diseases and Related Maintenance and Management Measurements for Highway Concrete Bridges

作　　者：刘长泉[1] 

机构地区：[1]河北华能京张高速公路有限责任公司,河北张家口075400

出　　处：《工程建设与设计》2017年第5期100-102,共3页Construction & Design for Engineering

摘　　要：混凝土是公路桥梁的主要使用材料,我国诸多已建混凝土桥梁运营过程中因材料内部因素及荷载外界因素,已出现诸多病害。论文总结和分析了公路混凝土桥梁的主要典型病害,包括梁体裂缝、钢筋表面锈蚀和铺装层裂缝,提出了病害的养护措施及桥梁整体养护对策,以保障桥梁的长期运营和使用安全。Concrete is the main material for the construction of highway bridges.Many bridges in China present lots of diseases due to the inner material properties and external load factors in operation.In this paper,the typical diseases of highway concrete bridges are summarized and analyzed including girder cracks,concrete reinforcing bars corrosion and pavement cracks.The maintenance measurements for the diseases are proposed.Finally,the overall maintenance and management strategies are put forward to ensure the reliability.

关 键 词：公路桥梁 典型病害 开裂 锈蚀 养护管理 解决对策 加固修补 

分 类 号：U445.71[建筑科学—桥梁与隧道工程]