硅酸盐通报2017，Vol.36Issue(4)：1452-1456,5.
硅酸盐水泥耐高温性能研究
High Temperature Resistance Performance of Portland Cement
摘要
Abstract
High temperature resistance performance of portland cement in 20 ℃, 200 ℃, 400 ℃, 600 ℃, 800 ℃ and 1000 ℃ was studied by the appearance change, mass loss and compressive strength in different high temperature.And the mechanism of stability change in different temperature of portland cement was studied by the scanning electron microscope (SEM), X-ray diffraction analysis (XRD) and differential thermal analysis (DTA).The results indicate that the Portland cement still keep the unbroken appearance and compressive strength under 400 ℃.Conversely, it is a sharp drop in stability,and there are abound of alveolate viods within cement.Then C-S-H del is decomposed and compressive strength is loss when the temperature exceed 600 ℃ that there are abound of alveolate voids within cement result in the destruction of C-S-H gel and loss of compress strength.关键词
硅酸盐水泥/耐高温性能/微观分析Key words
portland cement/high temperature resistance/microanalysis分类
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曹集舒..硅酸盐水泥耐高温性能研究[J].硅酸盐通报,2017,36(4):1452-1456,5.
