mortar strength

Experimental Study on the Effect of Liquid Flash on Mortar Strength Setting Admixture

液体速凝剂对水泥胶砂强度影响的试验研究

According to the relationship among structural stiffness, structural compression resistance, shear strength, and mortar strength, the masonry strength and mortar strength are obtained. And then, the quality and safety of masonry buildings are evaluated.

根据识别的刚度矩阵，利用结构刚度与层间抗压抗剪强度、砂浆强度之间的关系，则可求得砌体的强度，从而达到对砌体结构进行损伤检测和安全性评定的目的。

The particle size distribution of sand has a large influence on mortar strength.

砂的粒径分布对砂浆的强度有重要影响.

First, through interface modification, the bonding of cement mortar as well as bonding between latex, cement paste and aggregate is enhanced, with significantly improvement of cement mortar strength.

一是增强了水泥与砂之间以及胶乳、水泥浆体与骨料的界面结合，明显提高了砂浆的强度。

Through plastic mortar strength test, it has been proved as the ideal active admixture.

再经软练胶砂强度试验, 证明是理想的活性混合材料.

Effect of alcohol amine admixture on hydration of Portland cement and mortar strength

醇胺类助磨剂对硅酸盐水泥水化及胶砂强度影响的研究

The tests show that activation effect is distinct, and that activated fly ash cement mortar strength is more 10.7% than raw ash one in 3 days, more 15.5% than raw ash one in 28 days.

结果表明：粉煤灰活化效果明显，活化粉煤灰水泥胶砂3d强度比活化前提高10.7%，28d强度提高15.5%。

The Portland cement and high calcium fly ash samples ( shortened form P.C. and HCFA) which have different particle size distributions were mixed in a proportion of 50:50%. The mortar strength of HCFA cement in 3 and 28 days were tested.

本文将不同颗粒群分布的高钙灰、水泥按5：5比例混合，制成高钙灰水泥，测其3d、28d胶砂抗折、抗压强度。

Effects of the activity of ground-strontium slag as cement admixture were analyzed from three aspects: mortar strength value, compressive strength ratio of mortar and specific strength indicators.

分别从胶砂强度值、胶砂抗压强度比和比强度指标三方面分析磨细锶渣作为水泥掺合料的活性效应。

On Masonry Structure Safety of Mortar Strength Downgrading

砌筑砂浆强度等级降低后的砌体结构安全性探讨