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An Investigation into the Development of Alkali-activated Cementing Materials by Adopting Calcinated Shale
Author(s): 
Pages: 103-107
Year: Issue:  2
Journal: Journal of Xihua University(Natural Science Edition)

Keyword:  碱激发胶凝材料 烧页岩 水玻璃 抗压强度;
Abstract: 将张家口坝上地区页岩在850℃保温60 min煅烧后作为制备胶凝材料的主要原料,利用水玻璃和氢氧化钠作复合激发剂研制碱激发胶凝材料。试验结果表明:调整复合激发剂模数为1.2,且掺量占总质量的10%时,可以激发活性较低的烧页岩的活性,制备的碱激发胶凝材料28 d抗压强度达到18.5 MPa。经对其进行SEM分析可见生成了一种结构上类似于沸石的前驱体的无定形铝硅酸凝胶物质。
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