作者：杜毅¹, 朱瑞岩², 杨涛¹, 黎洪²

作者单位：1. 贵州大学土木建筑工程学院, 贵州贵阳 550003;
2. 贵州省计量测试院, 贵州贵阳 550001

关键词：钢筋锈蚀; 保护层厚度; 碳化; 密实度; 可靠程度

摘要：

桥梁混凝土中钢筋锈蚀是影响桥梁混凝土结构耐久性的一个重要问题,也是桥梁安全鉴定过程中经常遇到的问题。结合工程结构安全检测实践,通过对混凝土中钢筋锈蚀、保护层厚度、碳化深度、密实度进行检测,进一步证明了钢筋锈蚀的影响因素同混凝土保护层厚度、密实度、碳化深度有着直接的关系,并对提高混凝土中钢筋锈蚀概率大小和结构锈蚀性判断的可靠程度进行了探讨。

Study on inspection of bridge concrete steel corrosion

DU Yi¹, ZHU Rui-yan², YANG Tao¹, LI Hong²

1. School of Construction Engineering Architecture, Guizhou University, Guiyang 550003, China;
2. Guizhou Institute of Metrology and Testing, Guiyang 550001, China

Abstract: Steel corrosion in bridge concrete is one of a main problem that influences the durability of bridge concrete structure. Studied the ways of enhancing of credibility in the judgement on steel corrosion and the possibilities of steel corrosion in concrete in bridges by engineer structural safety inspection and inspecting of steel corrosion in concrete, thickness of concrete covering, depth of concrete carbonation and concrete compactness. It also proves that the factors which affect the steel corrosion in concrete have closed relation with the thickness of concrete covering, concrete compactness and depth of concrete carbonation.

Keywords: Steel corrosion; Thickness of concrete covering; Concrete carbonation; Concrete compactness; Reliability

2009, 35(2): 103-105  收稿日期: 2008-10-12;收到修改稿日期: 2008-12-27

基金项目: 

作者简介: 杜毅(1965-),女,山东青岛市人,副教授,主要从事结构材料及建筑构件物安全性能的研究检测。

参考文献

[1] JGJ/T 23-2001,回弹法检测混凝土抗压度技术规程[S].
[2] JGJ 106-2003,建筑基桩检测技术规范[S].
[3] 胡大琳.桥涵工程试验检测技术[M].北京:人民交通出版社,1996.
[4] 章关永.桥梁结构试验[M].北京:人民交通出版社,2001.
[5] GB/T 50344-2004,建筑结构检测技术标准[S].北京:中国标准出版社,2004.
[6] CECS02-2005,超声回弹综合法检测混凝土强度技术规程[S].
[7] DBJ22-017-95,回弹法检测山砂混凝土抗压强度技术规程[S].
[8] 郑晓燕,吴胜兴.钢筋混凝土锈蚀参数试验研究[J].混凝土与水泥制品,2005(1):4-7.