The water cement ratio decides concrete's strength.
水灰比决定着混凝土的强度；
In cemented filling method, to choose a proper water cement ratio is an important work.
在胶结充填采矿法中，选择一个恰当的水灰比是一件十分重要的工作。
The intensity of normal concrete is linear relationship with the size of water cement ratio.
普通混凝土的强度与水灰比的大小成线性关系。
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。
In this paper, an intellect measure system and the measuring method about water cement ratio of fresh concrete are introduced.
本文介绍了一种智能化的新拌混凝土水灰比快速测量系统、测量原理及系统组成。
The measurement for water cement ratio of fresh concrete is an important method for estimating the early strength of concrete.
新拌混凝土水灰比的检测是推断混凝土早期强度的重要方法。
The results indicate that the higher water cement ratio is, the reinforcing steel corrosion starts earlier and the more serious corrosion is;
对于含有初始氯离子并且锈蚀已经发生的钢筋混凝土，表面防水处理不能够有效控制钢筋锈蚀；
However, when water cement ratio is below 0.57, compressive strength of recycled aggregate concrete increases with water cement ratio increased.
当水灰比小于0 57时，再生混凝土的抗压强度随着水灰比的增大而增大。
The purpose of this paper is to solve the problem of high water cement ratio during construction and low water cement ratio during solidification.
目的通过将电渗技术引入到混凝土施工过程，解决混凝土工程中施工要求的大水灰质量比与使用性能要求的小水灰质量比之间的矛盾问题。
The author applied the grey local decision method to the choice of optimal water cement ratio, this provided a simple scientific method for this choice.
本文把灰色局势决策法应用于最优水灰比的选择中，从而为最优水灰比的选择提供了一种科学简便的方法。
Serials of naphthalin and tripolycyanamide have low water reducing efficiency, bad flow degree under low water cement ratio and sharp loss of concrete slump.
萘系与三聚氰胺系减水率较低，在低水灰比下流动性较差且坍落度损失较大，不利于商品混凝土的运输和施工。
We studied, according to the characteristic of recycled aggregate, the mixture proportion design of recycled concrete on the basis of free water cement ratio.
根据再生骨料的特点，对基于自由水灰比再生混凝土的配合比设计进行研究。
The testing method comprises the following steps of: placing mixed concrete set with water cement ratio into the aggregate system to acquire initial volume data;
将设定水灰比的拌制混凝土装入集料系统采集初始体积数据；
The characteristic of high performance concrete (HPC) is low water cement ratio and active contents addition, by which the durability of concrete can be improved.
而高性能混凝土特点是低水胶比及添加活性矿物集料，从而达到改善耐久性能的目的。
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。
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。
The effects of water cement ratio, cement sand ratio, specimen size, pre-storage method, solution concentration and temperature on the rate of concrete sulfate attack were investigated.
研究了水灰比、胶砂比、试件尺寸、预养方式、溶液浓度及温度对混凝土硫酸盐侵蚀速度的影响。
The effects of recycled aggregate quantity, PFA replacing cement quantity, PFA over-replacing quantity and water cement ratio on PFA regeneration concrete compression strength were studied.
研究了再生骨料掺量、粉煤灰取代水泥量、粉煤灰超量系数和水灰比对粉煤灰再生混凝土抗压强度的影响。
Influence of length and amount of carbon fiber, water cement ratio, curing age and moulding technology on electrical resistivity of carbon fiber cement composite were discussed experimentally.
着重探讨了碳纤维长度与掺量、水灰比、龄期及成型工艺对碳纤维增强水泥基复合材料导电性的影响。
The results indicate that cement mixing ratio, water content and comparative effort have important influence on shear strength, compressibility and microstructure of the compacted cement -loess.
试验研究表明，水泥掺入比、初始含水量和夯实功对夯实水泥黄土的抗剪强度、压缩性和微观结构有着重要的影响。
The effect of the amount of fiber, the length of fiber, the ratio of water to cement on tensile strength, shear strength, compressive strength and elastic modulus was investigated.
研究了纤维掺量、纤维长度、水泥土的水灰比等对纤维水泥土的抗折强度，抗压强度，抗拉强度和弹性模量的影响。
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。
The experimental results show that plastic Shrinkage relate to water to cement ratio and there is critical water to cement ratio.
通过试验研究了混凝土用水量、水灰比等混凝土配合比参数对混凝土塑性收缩的影响。
The mix design of strong concrete should follow the principles of low water-cement ratio, low sand ratio and high bone-glue ratio, thus the relatively satisfying effect can be achieved.
高强度混凝土的配合比设计应该遵循低水灰比、低砂率、高骨胶比的原则，这样才能达到比较理想的效果。
It was found that a nonlinear relationship existed between the two physical parameters, when water and cement ratio was 0.38 ~ 0.62.
实验表明，水泥试块在水灰比为0.38 ~ 0.62时，水泥试块的声阻抗与抗压强度间呈非线性关系。
Based on this, the influence of water to cement ratio, fly ash and silica fume on porosity of concrete are studied.
本文采用该方法研究了水灰比、粉煤灰、硅灰等对混凝土孔隙率的影响。
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 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。
应用推荐