半电池电位法评估海港混凝土钢筋腐蚀状态的可靠性研究  

Reliability research of evaluating the reinforcement corrosion state in harbor concrete structures by half cell potential method

作　　者：王彦明[1] 徐宗顺 刘克 王弘扬 WANG Yan-ming;XU Zong-shun;LIU Ke;WANG Hong-yang(School of Civil Engineering, Shandong University, Jinan, Shandong 250061, China;Rizhao Port Construction Supervision Co., Ltd., Rizhao, Shandong 276826, China)

机构地区：[1]山东大学土建与水利学院,山东济南250061 [2]日照港建设监理有限公司,山东日照276826

出　　处：《中国港湾建设》2017年第12期15-18,共4页China Harbour Engineering

基　　金：日照港科技计划项目(SBJS-09-KJ005)

摘　　要：介绍了混凝土中钢筋腐蚀机理与半电池电位法检测钢筋腐蚀状态的原理,结合日照港煤码头各泊位的检测数据,根据钢筋锈蚀的理论概率公式,通过试验与理论分析,验证了半电池电位法的可靠性,结果表明计算值与试验检测结论吻合较好。为提高海洋环境下混凝土构件的耐久性,建议严格限制氯离子的初始含量;运行管理阶段加强定期安全监测维护。We introduced the reinforcement corrosion mechanism in reinforced concrete and the principle of testing by half cell potential method.Based on each berths忆test data in Rizhao Port and theoretical probability formula of steel corrosion,we confirmed the reliability of half cell potential method by experiment and theoretical analysis.The results show that the calculated values are in good agreement with the test data.To improve the durability,it忆s necessary for concrete members in marine environment to limit the initial content of chloride ion.Besides,regular security monitoring and maintenance on operation management stages should be strengthened.

关 键 词：半电池电位 钢筋锈蚀 海洋环境 氯离子扩散系数 临界保护层厚度 

分 类 号：U654[交通运输工程—港口、海岸及近海工程]