The water cement ratio decides concrete's strength.
水灰比决定着混凝土的强度;
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。
Prevention and control of geological disasters; High water- cement ratio consolidation; Grout Material.
地质灾害防治;高水固结;灌浆材料;
When polymer to cement ratio is 0.2, the blend system has a good continuous three dimensional net microstructure.
当聚灰比值为02时,该共混体系在微观上即可形成良好的连续的三维空间网状结构。
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 material with high water is a new water-hardening inorganic gelling material. Its water-cement ratio is up to 3.0.
高水材料是一种新型水硬性无机胶凝材料,水灰比高达3.0。
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 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。
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。
The increase velocity of the UCS decreased gradually with the increasing of curing period, but increased with the increasing of cement ratio.
水泥土无侧限抗压强度的增大速率随龄期的增大而逐渐减小,随着水泥掺入比的增加而增大;
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。
Finally using the model loading age and coarse aggregate, cement ratio parameters were analyzed, and the laws of fly ash concrete creep are present.
最终运用本模型对加载龄期和粗骨料、水泥砂浆比参数进行了分析,给出了粉煤灰混凝土徐变的规律。
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。
Under the conditions of low cement ratio, water has important influence on the consolidation process, and further has direct impact on the strength of the fill.
在低配比条件下,水对其固结过程有重要影响,从而直接影响充填体的强度。
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 influence of different water-cement ratio on early-age autogenous shrinkage and total shrinkage of concrete under dry condition is experimented in this paper.
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 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 effect of water -cement ratio on the test result is studied, and a few problems involved in water - cement ratio test in National Standard (GB) is also discussed.
研究了水灰比制度对强度测试结果的影响。讨论了现行国标中水灰比制度存在的一些问题。
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。
The design of cement ratio is encountered by means of replacing the soil with grout, and the distribution of cement in the pile is changing with the return soil-cement.
在置换地基土才能使水泥掺入量满足设计要求的情况下,上返水泥土的存在改变了水泥掺入量的分配,桩体实际水泥掺入比随水泥土上返量大小及固相中水泥所占比例而改变。
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.
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。
Under the conditions of higher water-cement ratio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
在较大水灰比,一定浓度FDN高效减水剂及密闭条件下,上层水泥浆体会长时间不凝结。
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 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。
Through regressive analysis on the laboratory testing results of cement-soil, the mathematical expression among UCS of cement-soil and cement ratio and curing period were established.
通过回归分析,建立水泥土的无侧限抗压强度随掺入比及龄期的数学表达式。
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