欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
工程中混凝土由于耐久性不足所引起的结构破坏常有报道,在我国沿海及内陆地区,硫酸盐侵蚀是引发这一问题的主要原因之一。硫酸盐侵蚀有两个途径,其一,在环境影响下硫酸盐从盐溶液中析出晶体产生结晶压力破坏结构;其二,侵蚀介质与水泥水化矿物发生化学反应生成膨胀性矿物导致结构性能劣化。通过分析已有混凝土抗硫酸盐侵蚀方面的研究成果,综述普通混凝土在硫酸盐环境中受侵蚀机理、耦合作用下抗硫酸盐腐蚀行为及混凝土在硫酸盐侵蚀环境下力学性能变化。同时,对今后的研究方向做了简要讨论。
英文摘要：
In the engineering, the structural damage caused by the durability of concrete is often reported.In the coastal and inland areas of China, sulfate attack is one of the main causes of this problem.There are two ways of sulfate attack, first, under the influence of the environment, the sulfate from salt solution is precipitated and the structure is destroyed by the crystallization pressure.Second, the corrosive medium and the cement hydration minerals have a chemical reaction, the formation of expansive minerals leads to structural performance degradation.Through the analysis of the research results about concrete sulfate attack, the corrosion mechanism and the coupling effect of the ordinary concrete in the sulfate environment are summarized, and the mechanical properties of the concrete under sulfate attack environment are studied.At the same time ,the future research directions are discussed briefly.
同期刊论文项目
同项目期刊论文
期刊信息
位置：