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1.Experimental results show that, when the content of the fly ash-based admixture is 50% (mass fraction) in cement, the 7-day and 28-day activity indexes respectively achieve 56. 26% and 76. 6% , and that the water consumption for the standard consistence of the multi-component cementitious powder decreases, while the slump and strength of concrete increase.
试验结果表明:当粉煤灰基复合掺合料在水泥中的掺量为50%(质量分数)时,7d活性指数达56.26%,28 d 活性指数达76.6%,多元胶凝粉体的标准稠度需水量降低,而混凝土的坍落度与强度提高.收藏指正
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