【摘要】 本文主要研究了影响硅酸盐水泥石-石灰石集料界面过渡层中Ca（OH）₂、AFt晶体的平均尺寸和Ca（OH）₂晶体取向指数的一些因素、界面有效断裂能以及界面区域显微硬度和混凝土强度。采用在水泥浆体中掺加硅灰作为改善界面结构的主要手段,通过界面结构的改善说明界面结构与界面性能和混凝上性能的关系。 根据实验结果解释了硅灰对界面过渡层结构的影响机理。更多还原

【Abstract】 This paper mainly deals with: (1) The mean size and orientation of crystals on interface layer between hardened portland cement paste and limestone aggregates; (2)Effective fracture energy and microhardness of interface as well as properties of concrete; (3)Improvement of the structure of interface by adding silica fume and relationship between structure and properties of interface based on the improvement.According to the experimental results, explanation of the effect of silioa fume on the structure of hardened paste-aggregate interface is also proposed.更多还原