悬索桥型钢锚固体系锚杆隔离防腐蚀设计  

Design of Isolated Anticorrosion Measures for Steel Anchor System of Suspension Bridge Main Cable

作　　者：崔剑峰[1] 贺耀北[2] 胡建华[1,2] 刘榕[2] 倪雅[3] 

机构地区：[1]湖南大学土木工程学院,长沙410082 [2]湖南省交通规划勘察设计院,长沙410008 [3]江苏中矿大正表面工程技术有限公司,徐州221000

出　　处：《武汉理工大学学报（交通科学与工程版）》2016年第3期446-450,共5页Journal of Wuhan University of Technology（Transportation Science & Engineering）

基　　金：交通运输部建设科技项目(2013 318 798 320);湖南省交通科技项目(201219)资助

摘　　要：概述了锚杆腐蚀环境及腐蚀行为,提出了改善耐久性的必要性;综述了隔离防腐蚀方案的应用进展及发展趋势.经多个方案力学试验,提出3mm硫化型橡胶密封剂+4mmPEF发泡材料+塑料薄膜+脱模剂作为锚杆的隔离防腐措施,可大幅度提高锚杆耐久性,并提出了锚杆出口处和锚杆接头处的隔离防腐措施.In this paper,the corrosion environment and corrosion process of anchor system is summarized,the necessity to improve the durability of anchor system is proposed.Meanwhile,the application and development of anchor anticorrosion measures are outlined.According to several experiment results,an isolated anticorrosion measure for anchor which is composed of 3mm sulfide rubber sealant＋4mm PEF foaming material＋Plastic Film＋Release Agent is proposed.Besides,the isolated anticorrosion measure of anchor outlets and joints is also put forward,these anticorrosion measures will greatly improve the durability of anchor system.

关 键 词：悬索桥 型钢锚固系统 锚杆 隔离 防腐蚀 

分 类 号：U443.24[建筑科学—桥梁与隧道工程]