| 盐酸腐蚀条件下混凝土的应力-应变关系研究 |
| |
| 引用本文： | 陈元素,范颖芳,李昕. 盐酸腐蚀条件下混凝土的应力-应变关系研究[J]. 建筑材料学报, 2007, 10(2): 235-240 |
| |
| 作者姓名： | 陈元素 范颖芳 李昕 |
| |
| 作者单位： | 大连理工大学,土木水利学院,辽宁,大连,116024;大连海事大学,道路与桥梁工程研究所,辽宁,大连,116026 |
| |
| 基金项目： | 辽宁省自然科学基金资助项目(20022135),辽宁省博士启动基金资助项目(1050259) |
| |
| 摘 要： | 以pH值分别为2,3的盐酸作为腐蚀介质,研究了受腐蚀后C30混凝土抗压强度等力学性能以及应力-应变曲线的变化规律;阐述了受盐酸腐蚀混凝土性能劣化的内在原因.试验结果表明,盐酸腐蚀作用下,混凝土的抗压强度、弹性模量随腐蚀时间和溶液浓度的增加呈线性减小趋势,其应力-应变曲线逐渐趋于平缓.提出了基于研究结果的受盐酸腐蚀混凝土抗压强度、弹性模量的计算模型.
|
| 关 键 词： | 混凝土 腐蚀 抗压强度 弹性模量 应力-应变曲线 |
| 文章编号： | 1007-9629(2007)02-0235-06 |
| 修稿时间： | 2006-04-17 |
Experimental Study on Stress-Strain Relation of Concrete Corroded by Hydrochloric Acid Solution |
| |
| CHEN Yuan-su,FAN Ying-fang,LI Xin. Experimental Study on Stress-Strain Relation of Concrete Corroded by Hydrochloric Acid Solution[J]. Journal of Building Materials, 2007, 10(2): 235-240 |
| |
| Authors: | CHEN Yuan-su FAN Ying-fang LI Xin |
| |
| Abstract: | Mechanical properties of concrete(such as compressive strength,stress-strain curve,elastic modulus,etc.) corroded by hydrochloric acid solution with pH value of 2 and 3,were(studied.) Damage mechanism of the corroded concrete was discussed.The test results indicate that the mechanical properties of concrete(e.g.the strain,compressive strength,elastic modulus) decrease linearly with time and solution concentration.It is also shown that stress-strain curve of the corroded concrete become leveling off.Based on the experimental results,a numerical model is put forward to compute the compressive strength and the elastic modulus of corroded(concrete.) |
| |
| Keywords: | concrete corrosion compressive strength elastic modulus stress-strain curve |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《建筑材料学报》浏览原始摘要信息 |
|
点击此处可从《建筑材料学报》下载全文 |
|
