| 沿海公路钢筋混凝土桥梁氯盐侵蚀的调研与分析 |
| |
| 引用本文： | 王德志,张金喜,张建华.沿海公路钢筋混凝土桥梁氯盐侵蚀的调研与分析[J].北京工业大学学报,2006,32(2):187-192. |
| |
| 作者姓名： | 王德志 张金喜 张建华 |
| |
| 作者单位： | 秦皇岛市交通局,河北,秦皇岛,066600;北京工业大学,交通工程重点实验室,北京,100022 |
| |
| 基金项目： | 河北省交通厅重点科研项目． |
| |
| 摘 要： | 在氯盐污染环境下,过量的Cl-向混凝土中渗透是导致钢筋腐蚀的主要因素之一．本文就秦皇岛地区沿海公路上一些投入使用10 a左右的钢筋混凝土桥进行了调查与检测．调查结果显示,这些混凝土桥梁中普遍存在损伤开裂、钢筋锈蚀、保护层剥落等现象;检测结果显示某些部位的Cl-侵蚀深度已经超过钢筋的保护层厚度。混凝土中Cl-的质量分数普遍比较大,Cl-质量分数已超过钢筋锈蚀的临界值．Cl-渗透引起桥梁损坏的问题应该引起人们的关注．
|
| 关 键 词： | 钢筋锈蚀 Cl- 耐久性 |
| 文章编号： | 0254-0037(2006)02-0187-06 |
| 收稿时间： | 10 21 2005 12:00AM |
| 修稿时间： | 2005年10月21日 |
Investigation on Chloride-induced Corrosion in Reinforced Concrete Bridge Along Seaside Highway |
| |
| WANG De-zhi,ZHANG Jin-xi,ZHANG Jian-hua.Investigation on Chloride-induced Corrosion in Reinforced Concrete Bridge Along Seaside Highway[J].Journal of Beijing Polytechnic University,2006,32(2):187-192. |
| |
| Authors: | WANG De-zhi ZHANG Jin-xi ZHANG Jian-hua |
| |
| Affiliation: | 1. Qinhuangdao Transportation Bureau, Qinghuangdao, Hebei 066600, China; 2. Beijing Key Lab of Traffic Engineering, Beijing University of Technology, Beijing 100022, China |
| |
| Abstract: | One of the main reasons for corrosion of reinforced bars is the superfluous chlorine ion penetrating into the reinforced concrete. This article investigated and measured the reinforced concrete bridges, which had been put into use for 10 years along the seaside highway in Qinghuangdao area. The results show that there exist many damages, such as concrete cracks, reinforcement corrosion, and protection layer faking off. The measurement results show that the corrosion thickness of chlorine ion exceeds the thickness of protection layer in some places. |
| |
| Keywords: | corrosion chlorine durability |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
