铁道科学与工程学报Issue(2)：368-375,8.
混凝土及预应力混凝土结构碳化深度预测模型研究
Prediction models for carbonation depth of reinforced and prestressed concrete structures
摘要
Abstract
Based on the gas diffusion theory within concrete and concrete carbonation mechanism,the influence of factors including concrete material,environment variables,carbonation time and location on concrete carbona-tion depth was analyzed,and the quantitative relationship between the factors above and the concrete carbonation depth was derived.A prediction model for carbonation depth of reinforced concrete structures was then proposed. Based on this,taking into account the effect of stress state of concrete,a prediction model for the carbonation depth of prestressed concrete structures was then carried out.The comparisons between experimental data and the existing prediction models of carbonation depth were conducted,and it is shown that the proposed models for car-bonation depth of reinforced and prestressed concrete structures agree well with the experimental data than the ex-isting models.The proposed models provide useful tools for prediction of durability life under carbonation envi-ronment.关键词
混凝土结构/预应力混凝土结构/气体扩散/碳化深度Key words
reinforced concrete structures/prestressed concrete structures/gas diffusion/carbonation depth分类
建筑与水利引用本文复制引用
卢朝辉,吴蔚琳,赵衍刚..混凝土及预应力混凝土结构碳化深度预测模型研究[J].铁道科学与工程学报,2015,(2):368-375,8.基金项目
国家自然科学基金资助项目（U1134209，51422814，U1434204）；长江学者和创新团队发展计划资助项目 （）
