Abstract
The influences of sand-cement ratio on bulk density, fluidity, compressive strength, flexural strength of mortar of river sand, limestone manufactured sand (MA), quartzite MA, granite MA were studied compresively in the paper. The results show that bulk density of mortar reaches to maximum if sand-cement ratio of mortar of river sand is 2.73 and the ratios of mortar of manufactured fine sands are all 3.0. The fluidity of mortars of river sand and limestone MA are better than those of quartzite MA and granite MA. Sand-cement ratios of mortars with maximum strength are equal to that with maximum bulk density. The sequence of compressive strength is limestone MA, quartzite MA, river sand, granite MA from high to low, and that of flexural strength is limestone MA, quartzite MA, granite MA, river sand.
Published Version
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