基于可靠度理论的在役钢筋混凝土桥梁碳化寿命预测  

Carbonation life prediction of service reinforced concrete bridge based on reliability theory of durability

作　　者：甘海龙[1] 谢肖礼[2] 

机构地区：[1]广西机电职业技术学院,广西南宁530007 [2]广西大学,广西南宁530001

出　　处：《混凝土》2013年第3期48-51,共4页Concrete

基　　金：广西教育厅高校科研立项项目(201106LX665)

摘　　要：对厢竹立交桥进行了外观检测、混凝土强度回弹检测、混凝土保护层厚度检测、混凝土碳化深度检测,混凝土氯离子含量检测,并对检测结果进行统计与分析。基于桥梁服役的大气环境参数及检测数据,分析并计算了桥梁主要受力构件的碳化可靠指标及剩余碳化寿命,为评定桥梁的服役年限及加固维修提供了科学依据。The Xiangzhu grade separation bridge on tile appearance test,concrete rebound detection,concrete cover depth detection, concrete carbonation depth detection, concrete chlorine ion content detection, and the detection results in statistics and analysis.Based on the bridge of the service the atmospheric environment parameters and testing data, study calculated and analyzed the main stress components the carbonation bridge reliability index and remaining life of carbide, assessing the bridge for the service life and reinforcement maintenance and offer the scientific basis.

关 键 词：耐久性分析 保护层厚度 碳化深度 碳化寿命 

分 类 号：TU528.01[建筑科学—建筑技术科学]