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The purpose of this paper is to solve the problem of high water cement ratio during construction and low water cement ratio during solidification. 摘要目的通过将电渗技末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。
Factors affecting the filtering and fluidity of filtering concrete such as water cement ratio,quantity of cement and quantity of fly ash are analyzed. 研究分析了水灰比、水泥用量、粉煤灰掺量等因素对滤水混凝土的流动性和滤水量的影响。
In addition,water quantity of concrete is bigger,plastic shrinkage of concrete is bigger when water to cement ratio is invariable. 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。
Influences of water to cement ratio(W/C) and cement content on concrete cubic compression strength are analyzed in detail based on experimental results. 采用区组完全试验设计,研究了水灰比和水泥用量对混凝土立方体抗压强度的影响作用。
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。
Effects of cement quantity, hydration temperature, cement fineness, water cement ratio, gypsum addition and hydration time on the particle weight of cement were studied. 通过研究水泥称量、水化温度、水泥细度、水灰比、石膏掺量和水化时间对结粒量的影响,探讨了该检测方法的可行性,并计算了结粒量的标准偏差。
In this paper, all factors effecting cement permeability are anglicized first, such as water cement ratio, cement grain diameter porosity, cement type and permeabiliuy increaser. 分析了影响水泥石绝对渗透率的各种因素,包括水灰比、颗粒半径、孔隙度、水泥类型和增渗剂等。
Concrete is made of cement, sand, stone and water. 混凝土是由水泥，砂子石头和水混合做的。
Utilizing the electric double layer produced by hydration of cement to gather in superfluous water at negative electrode and reduce the water cement ratio of solidification by using electroosmosis technology. 方法采用电渗技术，利用水泥水化产生的双电层的导电性能，使混凝土中的多余水分向阴极聚集，以减少混凝土的凝结水灰质量比。
Four main factors of the water and cement ratio, complex scoria, cement and water quantity, which influence the chloride permeability in fly ash concrete, were, analyzed with the proposed model. 在此基础上，能利用有限的试验数据方便地由不同的配比对所浇注混凝土渗透性进行预测，有助于准确认识混凝土耐久性随配比参数的变化规律。
Electroosmosis technology can solve the problem of high water cement ratio during construction and low water cement ratio during solidification effectively so that have expansive application prospect. 结论电渗滤水混凝土技术能有效地解决混凝土的大水灰质量比施工、小水灰质量比固化的矛盾，有重要学术价值和广阔的应用前景。
The hydration degree of Portland cement under the condition of low water cement ratio was tested,and the microstructure of hardened cement paste was studied by means of XRD and SEM. 研究了低水灰比硅酸盐水泥的水化程度,并利用XRD和SEM分析了硬化水泥浆体的微观结构。
The sands of the beach are incalculable. 海滩上的沙是数不尽的。
Different ratios of slag content and different water to cement ratios (w/c) were used to evaluate the effects of slag content on the grout. 本研究藉由不同炉石添加量以及不同水灰比进行各项试验，以推求炉石对浆体所造成之影响。
Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
The sand blew into the food and made it gritty. 砂吹进食物中，里边尽是砂子。
The children were playing in the sand pit. 孩子们在沙坑中玩耍。
The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
The sun blazed down on the sand. 阳光强烈地晒在沙滩上。
He was really just ploughing the sands. 他不过是在白费力气。