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地聚合物-碱废渣复合胶凝材料抗压强度的影响因素分析(英文)

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Abstract:

采用偏高岭土、粉煤灰和矿粉3种原材料,5个养护龄期和3种养护温度制备地聚合物-碱废渣复合胶凝材料。采用多元回归和因素分析研究了养护龄期、温度、氧化钙与氧化硅的摩尔比及其交互作用对地聚合物-碱废渣复合胶凝材料抗压强度的贡献大小。结果表明养护温度对该体系抗压强度的贡献率最大,达到了44%左右;氧化钙与氧化硅的摩尔比的贡献次之,大约为27%;养护龄期的贡献最小,为17%左右;养护温度和氧化钙与氧化硅摩尔比之间的交互作用达到了8%。建立了基于线性回归分析的数学模型。

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