| 摘要: |
| 通过适当处理钢筋对外加电流的暂态响应数据，使极化电阻法适用于较大砼构件（梁、板）中钢筋腐蚀的检测。小辅助电极法测试结果表明，该方法能较为准确地检测砼构件中钢筋各点的腐蚀速度，而无需考虑小辅助电极引起在大面积工作电极─钢筋上电流的不均匀分布，以及无法确定的极化面积。 |
| 关键词: 钢筋腐蚀，检测方法，砼，结构 |
| DOI： |
| 分类号:TU375 |
| 基金项目: |
|
| Monitoring corrosion rate of steel bar in concrete structure |
|
Zhu Yaxian,Wu Shixiang,Hong Dinghai,Zhu Xiujuan
|
|
Nanjing Hydraulic Research Institute
|
| Abstract: |
| A nondestructive monitoring method is developed for measuring corrosion rate of steel bar in reinforced concrete structure. This method may not be affected by the non - homogeneous distribution of the electrical signal applied to the reinforcements via a small counter electrode whose surface area is much smaller than that of the reinforced concrete structure to be tesed through properly processing the transient response of steel bar to a impressed current. Test results show that the method is reliable, which supply a possibility of on - site measurementof rebar corrosion rate. |
| Key words: rebar corrosion rate,monitoring method,concrete,structure, |
