The influence of different superplasticizers on drying shrinkage of mortar with the same water cement ratio and same sand cement ratio was investigated in this article.
通过试验研究了几种类型的高效减水剂在同样水灰比和砂灰比的情况下对砂浆干燥收缩性能的影响。
Mortar is composed of lime, sand and water.
灰浆由石灰、沙和水组成。
Masonry walls are built with stones or bricks, cohered through the use of mortar, first composed of lime and sand.
首先由石灰和沙子和成的砂浆把石头和砖粘合在一起建成了砖瓦墙。
The essence of concrete framework theory is to deduce the cement dosage of unit volume concrete from frame-mortar ratio, unit water dosage and deviated function of cement-sand ratio.
混凝土架构设计理论的实质，是通过架浆比、单位用水量以及砂灰比偏离三个参数推求单位水泥用量的过程。
The mortar which made by the recycled sand is called recycled aggregate mortar.
而以再生砂配制的砂浆称为再生骨料砂浆。
The mortar made with treated quartz sand can improve the function of the sulfate attack resistance of the interface structure of mortar.
采用经加工处理的石英集料，可以提高水泥砂浆的抗硫酸盐侵蚀性能。
The tests show part of the waste stone dust instead of sand can improve workability of mortar, reduce mortar contraction and increase compression strength. It is of advantage for construction.
试验表明，废石粉部分取代砂，可以改善砂浆的和易性，减少砂浆收缩，提高抗压强度并有利施工。
The paper deals with the research results and application of the desert sand making mortar and concrete in stead of the engineering sand.
本文介绍了用沙漠砂代替工程砂配制砂浆和混凝土的试验研究结果及其在实际工程中的应用情况。
Company's products are broken sand quarries mechanism screening equipment, broken cement plant, drying equipment; dry mortar plant drying mixer such as the patented product.
公司生产的产品有采石场机制砂破碎筛分设备、水泥厂破碎、烘干设备；干粉砂浆厂烘干混合机等一批专利产品。
The tests show part of the waste stone dust instead of sand can improve workability of mortar, reduce mortar contraction and increase compression strength…
试验表明，废石粉部分取代砂，可以改善砂浆的和易性，减少砂浆收缩，提高抗压强度并有利施工。
Extend rest period and thermostatic period, increase thermostatic temperature also could reduce the dry shrinkage rate of standard curing concrete sand mortar, evidently improve its volume stability.
延长预养时间和恒温时间、提高恒温温度可以降低蒸养纯水泥砂浆的干缩率，使其体积稳定性得到明显改善。
With the increased angularity index of the manufactured sand, the fluidity of the new mortar is becoming bad but the intensity and contractibility is improving after the hardening process.
随着机制砂棱角性指数的增大，新拌砂浆的流动性变差，但硬化后砂浆的强度和收缩性能得到适当的改善。
After the filled sand mortar condensed, remove the additional mortar in the surface.
当充填的砂浆凝结后，擦掉表面多余的砂浆。
The dry shrinkage rate of standard curing concrete sand mortar evidently exceeded the steam curing simples at the same age.
标养水泥砂浆的干缩率明显大于同龄期蒸养水泥砂浆试件。
The mortar part inspects the influence on resistance to chloride ion penetration by different water-binder ratios, different added materials, different sand-binder ratios and different ages;
砂浆部分研究了不同水胶比、不同掺和料、不同龄期、不同砂胶比分别对其抗氯离子渗透性能的影响；
The mortar part inspects the influence on resistance to chloride ion penetration by different water-binder ratios, different added materials, different sand-binder ratios and different ages;
砂浆部分研究了不同水胶比、不同掺和料、不同龄期、不同砂胶比分别对其抗氯离子渗透性能的影响；
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