目前泵送混凝土用量过大，为了保证泵送混凝土的可泵性，往往在泵送混凝土中加入适量的引气剂。
At present, excessive pumping concrete, pumping concrete in order to ensure the availability of pumps, pumping concrete, often adding an appropriate amount of air-entraining agent.
这样，不仅利用了尾矿废料，同时还有进一步降低混凝土水泥用量、节约成本的可能。
So, not only use the tailings waste, and further reduce the dosage of cement and concrete cost-saving possible.
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.
硬化混凝土地坪中，节约水泥用量，施工中不提浆，增加强度和耐磨耐久性作用。
For concrete ground, it can save the cement consumption, and no purifying is needed, which increases the strength and wear resistance.
该振动的主要优点是它允许一个干燥混凝土，其中有一个因减少水的使用量较高的强度。
The primary advantage of vibrating is that it permits the use of a drier concrete, which has a higher strength because of the reduced water content.
同时转换层截面尺寸大，混凝土和钢筋的用量都非常大，且施工过程中的不确定性因素多，给转换层的施工及其质量控制带来了很大的难度。
It's large size of section, a mass of consumption of concrete and reinforcing steel bar, and uncertain factors, cause notable difficulty to the construction and quality control of transfer floor.
本文着重讨论相关规范标准对混凝土最小水泥用量的要求，并对现时仍然存在的一些对“水泥”这一概念的认识误区进行分析。
It discussed on the relating standard and demands to minimum cement dosage in concrete, and analyzed the misunderstanding reasons on the conception of "cement" nowadays.
最终获得各种混凝土组成材料的用量。
The consumption of each concrete ingredient is eventually worked out.
通过大量室内试验研究了沥青混凝土矿料级配、沥青用量等因素对其体积性能(空隙率)和表面特性(构造深度)的影响。
Through lots of experiments for the factors that gravel grading and asphalt amount in asphalt concrete influences their porosity and structure depth.
同时，高性能混凝土可以利用大量的矿物掺和料取代水泥，减少单方混凝土水泥用量。
At the same time, HPC can reduce the cement content per cube and use more mineral additives.
优选配合比解决了泵送混凝土与减少水泥用量和低坍落度的矛盾。
For pumping concrete mixture the problem of reducing the cement content and keeping better workability was also solved by using optimum proportioning.
研究了建筑垃圾再生原料的组成与用量对再生混凝土物理力学性能的影响。
Here is a study on the effects of the composition and amount of the reprocessed raw material from building waste on the physical and mechanical performances of recycled concrete.
根据截面惯性矩相等的原则， 推导了钢筋混凝土空腹巨型框架等效截面高度系数以及材料用量比。
The equivalent section height coefficient and the ratio of material dosage of the hollow mage-frame structures were deduced based on the equal section inertia.
水泥及纤维膏用量与水镁石纤维混凝土抗压强度之间存在显著的线性相关性。
Between the dosage of cement and fiber cream and the compressive strength of brucite fiber reinforced concrete there are the remarkable linear relationship.
在建筑工程中，建筑砂浆的用量仅次于混凝土。
In the construction work, the amount of building mortar is only inferior to the concrete.
每年，混凝土的人均使用量为3吨，这个数值目前仍在增长中。
Three tons of concrete are used annually for each person on earth, and the amount is growing.
本文阐述了在试验的基础上用较低的水泥用量配制高性能混凝土的方法，并对其力学性能和耐久性进行了研究。
On the basis of experiment, the paper shows us the research of the mixture, mechanics and durability of HPC.
混凝土作为目前世界上使用量最大、使用范围最广的建筑材料，它在火灾下的表现就直接决定了结构能否在火灾中保持完整、稳定。
Concrete is the largest and most widely used building materials in the world; its fire-resistance performance directly decides whether the structure could keep intact and steady in the fire-disaster.
通过对其抗压强度的实验研究，证明干硬性混凝土具有高强度、水泥用量少等特性。
According to the pressure proof intensity test research, this concrete is testified to be more advantages than high intension and little concrete dosage.
高性能混凝土的特点是低水胶比、高胶凝材料用量。
Low water-binder ratio and abundant binder are the characters of high performance concrete.
道路基层贫混凝土水泥用量较大而且是暴露面积较大的工程，容易发生较大的干燥收缩。
The lean concrete road base is easy to bring dry contraction due to its much amount of cement and large exposed area.
在纤维用量不变的情况下，随减水剂用量及纤维叩解度的增加，混凝土抗折强度提高，然后趋于饱和。
Under the condition of invariable fiber dosage, the flexural strength of concrete moves upward with the increase of water reducer dosage and fiber beating degrees, and then approaches to saturation.
在建筑工程中混凝土应用最广泛、使用量最大，混凝土所起的作用非常重要。
The concrete is applied in the construction engineering most extensive, the dosage is biggest, the function that concrete rise is count for much.
保持工作度不变，在低用水量时，不必增加水泥用量，混凝土的强度也能增加。
By maintaining workability, but at a lower water content, concrete strength may be increased without the need for further cement addition.
混凝土设计中存在最佳水泥用量，此用量时矿渣水泥混凝土抗侵蚀性最强。
In concrete design, there was an optimum cement content, in which the slag concrete had the best corrosion resistance.
特别适用于要大幅度降低水泥用量的有特殊要求性能的泵送混凝土、商品混凝土、大流态混凝土、大体积基础混凝土及碾压混凝土。
Especially suitable for greatly reduce the dosage of cement with special requirements performance pumping concrete, concrete products, flow state concrete, mass concrete foundation and RCC.
通过混凝土收缩试验，研究了水玻璃掺量、水玻璃模数、液固比、胶凝材料用量等因素对无机矿物聚合物混凝土收缩性能的影响。
The effect of various factors shrinkage property of slag based geopolymer concrete are studied by shrinkage test, such as content and modulus of water glass, liquid-solid ratio, gel material content.
摘要：混凝土具有原料丰富，价格低廉，生产工艺简单的特点，因而使其用量越来越大。
Abstract: Concrete is rich in raw materials, low prices, the characteristics of simple production process, so it is used more and more.
作为用量最大的土建材料，混凝土质量对土建工程质量有很大影响。
Being one of the most consumable building materials, the concrete affects greatly on the project quality.
结果表明，通过在高强混凝土中掺加部分提前用水浸泡过陶粒的办法，可以减少高强混凝土因水泥用量过大而引起的较大收缩。
It shows that the shrinkage caused by the large content of cement can reduce by partial filling prewetting haydite in the high-strength and lightweight aggregate concrete.
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