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 measurement for water cement ratio of fresh concrete is an important method for estimating the early strength of concrete.
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。
In this paper, an intellect measure system and the measuring method about water cement ratio of fresh concrete are introduced.
普通混凝土的强度与水灰比的大小成线性关系。
The intensity of normal concrete is linear relationship with the size of water cement ratio.
水灰比决定着混凝土的强度；
实现了混凝土大水灰比施工、小水灰比固化。
High water cement ratio during construction and low water cement ratio during solidification are realized.
研究了在多离子作用下的不同水灰比的混凝土梁与柱的承载力随海水侵蚀循环次数的衰减变化情况。
The change is studied between the bearing capacity of beam and column of concrete with the circulation times of corrosion of sea water.
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。
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.
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。
Serials of naphthalin and tripolycyanamide have low water reducing efficiency, bad flow degree under low water cement ratio and sharp loss of concrete slump.
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。
However, when water cement ratio is below 0.57, compressive strength of recycled aggregate concrete increases with water cement ratio increased.
本文研究了粉煤灰、减水剂掺量与水灰比对粉煤灰道路混凝土抗压强度、脆性系数的影响。
The influences of flyash, water reducer and W/C on the strength and brittleness of flyash paving concrete were investigated.
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 experimental results show that plastic Shrinkage relate to water to cement ratio and there is critical water to cement ratio.
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 water cement ratio, cement sand ratio, specimen size, pre-storage method, solution concentration and temperature on the rate of concrete sulfate attack were investigated.
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。
Based on this, the influence of water to cement ratio, fly ash and silica fume on porosity of concrete are studied.
进行了不同水灰比对混凝土早期自收缩及干燥条件下总收缩影响的试验研究。
The influence of different water-cement ratio on early-age autogenous shrinkage and total shrinkage of concrete under dry condition is experimented in this paper.
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。
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.
试验结果表明，混凝土抗压强度不仅与水灰比密切相关，而且与骨料压碎指标有关。
Experimental results show that the compressive strength of concrete is closely related not only to the water-to-cement ratio, but also to the crushing value of aggregate.
在再生混凝土基本性能方面：通过采用不同的水灰比、不同的再生骨料的取代率以及不同的减水剂掺进量，配制再生混凝土。
On the physical properties, many deferent ingredients of recycled concrete are tried by adjusting concrete mixture ratio including the recycled coarse aggregate, FDN and fly ash.
本文研究了再生粗骨料掺量、再生细骨料掺量、粉煤灰取代水泥量和水灰比对再生混凝土抗压强度和坍落度的影响。
The effect of recycled coarse aggregate quantity, recycled fine aggregate, PFA replacing cement quantity and water cement radio on the recycled concrete compression strength and slump.
把真空脱水技术和微波脱水技术结合起来，使混凝土终水灰比降至0.38左右。
The vacuum-dewatering technique and the microwave technique were combined, which made the concrete final W/C ratio decreased to 0.38.
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 testing method comprises the following steps of: placing mixed concrete set with water cement ratio into the aggregate system to acquire initial volume data;
在预拌混凝土的生产中混凝土的凝结时间是一项重要的技术指标 ，本文试图讨论用水量、水灰比、粉煤灰和外加剂等因素对混凝土凝结时间的影响。
A new concept called "liquid water-cement ratio" and its formula are advanced, which can be used to evaluate liquid water amount in the concrete mixed with antifreezer at negative temperature.
粉煤灰混凝土的碳化深度随水灰比及粉煤灰掺量的增加而有所增加。
Carbonization, fly ash of concrete as water for dust in depth than and fly ash last increase of quantity and not increased to some extent.
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。
We studied, according to the characteristic of recycled aggregate, the mixture proportion design of recycled concrete on the basis of free water cement ratio.
结果表明，水灰比越小，混凝土的抗腐蚀性越强；矿渣水泥抗腐蚀性略优于普通水泥。
The results of experiments show that it is stronger as the ratio of water-cement is decreased, the slag cement is better than the ordinary cement for the corrosion-resistance of concrete.
通过自行设计早期收缩测试装置研究了水灰比对混凝土早期收缩的影响规律并在此基础上测试了混凝土总收缩。
The paper has studied the influence of water-cement ratio on the early-age shrinkge and whole shrinkge through self-deviced experimental apparatus for measuring early-age shrinkage.
通过自行设计早期收缩测试装置研究了水灰比对混凝土早期收缩的影响规律并在此基础上测试了混凝土总收缩。
The paper has studied the influence of water-cement ratio on the early-age shrinkge and whole shrinkge through self-deviced experimental apparatus for measuring early-age shrinkage.
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