摘要
通过XRD衍射图谱和SEM扫描图片的分析,认为高效活性矿物掺和料能够提高超高强水泥浆体的水化程度,改善C-S-H凝胶的质量,增加C-S-H凝胶的数量,削弱CH的负面影响,从而提高混凝土的强度和耐久性。通过比较不同胶凝材料体系的水化物组成,认为掺入含活性SiO2较多的掺和料以及复合掺入粒径相差较大、彼此有填充作用的几种掺和料时的增强效果更好。
By analysis of XRD and SEM,it is hold that high efficient active mineral admixture can enhance hydration of the system,improve mass of C-S-H gel,increase the number of C-S-H gel,weaken the negative influence of CH, and hence improve the strength and durability of concrete.By compare composition of hydrate in different cementing material systems,it is hold that the effect of reinforcement will be better by adding admixture with more active SiO2,with great difference in grain size and adding several admixtures that have filling interaction.
出处
《新型建筑材料》
北大核心
2004年第9期43-45,共3页
New Building Materials
基金
高等学校博士学科点专项科研基金资助(1999062002)
关键词
超高强混凝土
活性矿物掺和料
水化物组成
ultra high strength concrete
active mineral admixture
hydrate composition
