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利用熟料、钢渣、矿渣和石膏粉配制低热钢渣矿渣硅酸盐水泥,将矿渣、钢渣掺量对水泥各种性能影响以二维等值线表征.结果表明:掺加钢渣、矿渣分别降低和增加水泥的标准稠度用水量,两者都延迟水泥的初、终凝时间,钢渣的延迟作用比矿渣大.水泥强度随着钢渣量的增加而降低,矿渣掺量对强度的影响是先随矿渣掺量的增加而提高,然后又随着矿渣掺量增加而降低,矿渣掺量存在一个最佳值.矿渣对强度的增强作用是后期比早期大,抗折比抗压大.掺入钢渣矿渣混合材都能显著降低水泥早期水化热,钢渣替代熟料降低早期水化热的值是等量矿渣替代熟料的1.5倍,双掺混合材比单掺降低早期水化热作用大.

参考文献

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