Concrete is made of cement, sand, stones, and water.
混凝土是用水泥、沙、石子和水制成的。
It has high water reducing rate at low dosage whether the adaptability problem with cement and high slump loss are always the point in concrete production.
它具有掺量低、减水率高的优点，但与水泥适应性较差和坍落度损失大一直是混凝土生产上的难题。
Concrete is a kind of composition constructional material, which consists of sandstone, cement and water, etc.
混凝土是由一种复杂的复合建筑材料，主要由砂石、水泥和水等组成。
Concrete is made of cement, sand, stone and water.
混凝土是由水泥，砂子，石头和水混合而成。
Cement, water and sand are mixed to make concrete.
水泥，水，和沙搅在一起便是混凝土。
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。
Cement concrete, formed with cement, coarse and fine aggregates and water in appropriate proportion before a period of hardening, is a sort of stone material.
水泥混凝土是由水泥、粗集料、细集料和水按适当比例配合，经一定时间硬化而成的一种人造石材。
Concrete is composed of cement, sand and gravel mixed with water.
混凝土由水泥、砂、石子与水掺和而构成。
Raw materials selection, which influents concrete corrosion resistance, is discussed, which involved in cement kinds, aggregate properties, mix, curing water quality, kinds of additive and admixture.
讨论了原材料的选择，包括水泥品种、集料性质、拌合及养护用水的水质情况、外加剂的种类和掺合料对混凝土耐腐蚀性能的影响。
The influences of cement further hydration and water viscosity in pores and cracks on the elastic modulus of saturated concrete are taken into account in the model.
该模型考虑了水影响下的水泥后期水化和孔隙水的粘滞力对饱和混凝土弹性模量的影响。
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。
The sand stone concrete (or fine stone concrete), is mixed with water, cement and fine stone.
统砂石混凝土（也称细石混凝土） ，是由水、水泥及小石子组成的混凝土。
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。
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。
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。
Concrete is made of cement, sand, and gravel mixed with water.
混凝土是由水泥、沙子和碎石并和水混合而成的。
When the free water that penetrates the internal surface can't be discharged in time, the asphalt and cement concrete pavement may suffer water damage. Then pavement is damaged severely.
当自由水渗入路面内部不能及时排出时，沥青和水泥混凝土路面都可能出现水损害，结果导致路面严重破坏。
By maintaining workability, but at a lower water content, concrete strength may be increased without the need for further cement addition.
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。
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 pavement cement concrete is usually prepared by sand, stone, cement, water, feed mixing process, the quality fluctuates easily.
路面水泥混凝土通常是按砂、石、水泥、水一次投料的搅拌工艺制备的，其质量容易波动。
Damage by water is a popular pavement damage form no matter on cement concrete pavement or asphalt pavement, it has become a world problem that endangers road engineering quality.
无论水泥混凝土路面还是沥青路面，水损坏是目前国内外普遍存在的路面破坏形式，成为困扰公路工程质量的世界性难题。
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。
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。
An additional precaution against dampness is to incorporate a waterproofing admixture, properly proportioned, to the cement, aggregates and water before the concrete is mixed.
此外，其防潮的另一种方法就是按一定的配合比在水泥、粗细骨料和水搅拌时加入防水剂。
Cement morter and concrete prepared with seawarer and those prepared with fresh water are comparable in bending strength and compression strength.
水泥胶砂和混凝土的抗压、抗折强度与淡水拌和的相当。
The invention provides full ceramic aggregate porous concrete, which contains aggregate, cement and water, and the aggregate is ceramic aggregate.
本发明提供了一种全陶瓷骨料透水混凝土，其包含骨料、水泥和水，该骨料全部为陶瓷骨料。
Among it is at concrete not modern, whose name is already with cement in fly ash, collect material, water, admixture and Kind is important, become a component part in concrete.
在现代混凝土中，粉煤灰已经与水泥、集料、水、外加剂同样重要，成为混凝土中的一个组分。
Concrete consists of cement, sand and gravel, mixed with water. .
混凝土是水泥、沙子和碎石加水构成的。
P92 Concrete is a mixture of water, sand and gravel, and Portland cement.
混凝土是由水、沙和砾石、波特兰水泥拌合而成。
P92 Concrete is a mixture of water, sand and gravel, and Portland cement.
混凝土是由水、沙和砾石、波特兰水泥拌合而成。
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