water cement ratio

The water-cement ratio has great influence on the strength of the high performance concrete as the same as the ordinary concrete.

高性能混凝土和普通混凝土一样，水胶比对混凝土强度影响大。

In the case of low water to binder ( cement+ mineral admixture) ratio a long-term wet curing is needed to produce activity effect in.

水灰比较低时，只有在长期潮湿养护条件下才能产生明显的活性效应。

The grouting technique tests have proved that when we use grout cement, water cement ratio of cement paste should not be too large.

灌浆工艺试验表明，采用该水泥，水灰比不能过大；

It shows that the climb height increases with the increasing of water cement ratio of grout, grouting pressure and gap width.

结果表明：水灰比、桩侧泥皮厚度、注浆压力增大时，浆液沿桩侧上返高度增大。

The effect of some factors on the sound absorbing property, such as type of aggregate, water to cement ratio and size of aggregate particles, was investigated experimentally.

试验分析不同骨料、水灰比、骨料颗粒粒径对吸声性能的影响。结果表明，这些因素对其吸声性能影响明显。

Traditionally, the civil worker has paid more attentions on the cement, the water ratio as well as the admixture such as the fly ash and the silicon ash.

以往的研究，土木工作者把更多的注意力放在了水泥、水灰比、外加剂以及粉煤灰和硅灰等外掺材料中。

Study on effect of compressive strength of recycled aggregate concrete with water cement ratio

水灰比对再生混凝土强度影响的试验研究

Higher quality cement and lower water cement ratio are needed in high strength concrete. In order to improve other performance of high strength concrete admixture and mineral fillers are needed.

高强混凝土一般采用高标号水泥，低水灰比配制，为提高高强混凝土的其它性能，掺入外加剂和掺合料，其早期性能的发展和稳定性必然与普通混凝土有所区别。

Research on the high& speed test for water cement ratio of fresh concrete

新拌混凝土水灰比快速测试的研究

Temperature, water cement ratio and cement retarder act independently

4温度、水灰比、缓凝剂都是单独起作用，相互不受影响

With the lowering of water-cement ratio, the strength of ASC increased, and the strength development was accelerated also.

降低碱激发矿渣水泥的水灰比，其强度增加，且发展变快。

High water cement ratio during construction and low water cement ratio during solidification are realized.

实现了混凝土大水灰比施工、小水灰比固化.

Mixing air entraining agents and reducing water cement ratio were the most effective solution to improve resistance deicing salt scaling of concrete.

掺入引气剂和降低水灰比是提高混凝土抗盐冻剥蚀的最有效方法；

Filtering concrete is low bleeding concrete with high water cement ratio and high fluidity.

滤水混凝土是一种微泌水、大水灰比、大流动性混凝土.

By controlling the range of the dry density, magnitude of cement and water cement ratio of mixture, the requirement of drainage property and structure strength can be fulfilled.

通过控制混合料的干密度、水泥用量和水灰比的取值范围，可使混合料同时满足排水性能要求和结构强度要求。