板式橡胶支座病害成因与防治措施

桥梁支座是桥梁结构中承受载荷、位移、转角的关键部件，其可靠性直接影响着桥梁整体的使用性和耐久性。桥梁支座病害的产生直接影响着公路桥梁的通行质量，耐久性和寿命。从设计、支座制造和加工、工程施工环节及运营方面分析了当前应用较为广泛的板式桥梁支座病害原因，提出了防治措施。研究表明，支座病害的防治重点在于支座的产品选用和安装施工环节。

Disease Causes and Preventive Measures of Plate Rubber Support

Bridge support is the key components of underload, displacement and angle in the bridge struc-ture, its reliability directly affects the usability and durability of the whole bridge. Bridge support diseases directly affect highway bridge′s traffic quality of, durability and longevity. This paper analyzes the disease causes of plate bridge support widely used at present from the aspects of design, support manufacturing and processing, construction and operation, proposes the preventive measures. The research shows that the main preventive points of support disease are product selection and installation.