ASTMC1202 still can be used in many cases, especially for Portland cement concrete.
ASTMC12 0 2在许多情况下仍然可以采用，特别适用于不掺混合材的混凝土。
Portland cement concrete shall be, and sulfate resistant cement; steel structure is painted with protection coat.
混凝土采用普通硅酸盐混凝土，施用抗硫酸盐水泥；钢布局粉刷。
During the nineteenth century, 20, made of Portland cement, concrete has come out.
十九世纪20年代，波特兰水泥制成后，混凝土问世了。
For massive concrete construction, the low hydration heat cement like the slag Portland cement is often used to facilitate temperature rise control in the concrete.
大体积混凝土施工时常选用水泥水化热较低的矿渣硅酸盐水泥等以利于混凝土温升控制。
They shall be made of materials that do not react with concrete containing Portland cement.
这些模具应由不会与含有硅酸盐水泥的混凝土发生反应的材料制成。
By substituting silica powder for ordinary Portland cement, the performance of the concrete can be best improved.
以硅粉取代部分普通硅酸盐水泥，对混凝土性能改善效果最好。
The results showed that adding slag powder, fly ash, silica fume to Portland cement can improve the comprehensive performance of marine concrete.
研究结果表明，在硅酸盐水泥中掺加矿粉、粉煤灰、硅灰等混合材料可以改善海工混凝土的综合性能。
The physical and mechanical properties and durability properties of the geopolymer blend cement(GBC) concrete and the ordinary Portland concrete(OPC) are compared in laboratory experiments.
用正交试验确定合成地聚物水泥的最优配方，以单因素试验说明改变沸石的质量分数和粒度对地聚物水泥机械性能的影响。
The results of the study had a role of guiding the production of product the super-ligh foamed concrete with ordinary Portland cement.
上述研究结果对于采用普通硅酸盐水泥生产超轻泡沫混凝土具有一定的指导作用。
On the basis of survey of many Marine concrete constructions, the effects of adding slag powder, fly ash, silica fume to Portland cement on the performances of Marine concrete were researched.
在调查分析海工混凝土工程实例的基础上，试验研究了硅酸盐水泥中掺入矿粉、粉煤灰、硅灰等混合材料对海工混凝土性能的影响。
We summarize the causes and countermeasures of massive concrete cracking, and propose that crack resistance of massive concrete can be effectively improved by low-heat Portland cement.
总结分析了大体积混凝土易产生裂缝的原因及应对措施，指出使用低热硅酸盐水泥可有效改善大体积混凝土的抗裂性能。
Aimed at increasing the replacement amount of fly ash in hydraulic mass volume concrete, the poor calcium problem of moderate heat Portland cement-fly ash system was studied.
为了提高水工大体积混凝土中的粉煤灰掺量，研究了中热水泥-粉煤灰体系的贫钙问题。
The comprehensive study on the impact and mechanism of mineral fillers, as fly-ash, Portland cement, slag-powder, hydrated lime and so on, improved asphalt concrete stability is scarce.
对于替代矿粉使用的粉煤灰、水泥、矿渣粉、石灰等填料对沥青混合料性能的改善效果及机理缺乏系统的研究。
The comprehensive study on the impact and mechanism of mineral fillers, as fly-ash, Portland cement, slag-powder, hydrated lime and so on, improved asphalt concrete stability is scarce.
对于替代矿粉使用的粉煤灰、水泥、矿渣粉、石灰等填料对沥青混合料性能的改善效果及机理缺乏系统的研究。
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