3 one year of retention period . if getting moist and agglomerating inadvertently , it can be comminuted and bolted with a sieve of 5mm 2掺加本产品的混凝土和易性优良，稍有缓凝，适合商品泵送砼。
Strength and crack resistance capability of concrete will be improved after being reinforced by chopped basalt continuous fiber 在混凝土中掺加乱向短切玄武岩纤维后，其强度及抗裂性能均会得到改善。
This study is mainly to verify the strategy of restraining the neutralization by adding appropriate pozzolanic admixtures to concrete 本研究以掺加适量卜作岚掺料的高性能混凝土，验证抑制中性化之策略。
So in the suitable situation and use a suitable content , fsmf filler have a good effect to improve the strength and toughness 所以在适当的应用场合，选择合适的掺加量，填料fsmf可起到较好的增强增韧作用。
The results showed that the wettability was further improved when 5wt % mo was added and the wetting angle was only 11 结果表明：在ni _ 3al中掺加5wt的mo时，能很好地改善ni _ 3al对tic的润湿性，其接触角仅为11 。
Nowadays , air entraining , mineral admixture and additive have been main measure to improve the concrete frost resistance and impermeability 当前,引气和掺加矿物掺合料及外加剂已成为提高混凝土抗冻性和抗渗性的主要措施。
On the base of a great deal of data fa has been added in to improve road - related performances of the base in the paper 本文在大量实测调查资料的基础上，兼顾推广的要求，采用掺加粉煤灰的方式，改善水泥稳定级配碎石基层的路用性能。
It is mainly used in various large commercial concrete projects such as high buildings , airport courses , ports and dams , with its quality completely up to the standard gb8076 1997 掺加本产品的混凝土和易性优良，稍有缓凝，适合商品泵送砼。
In this paper , the early hydration processes of cement pastes including various contents of coal stone were studied by alternating current impedance spectroscopy 摘要采用交流阻抗谱方法对掺加不同量煤矸石的水泥浆体的早期水化过程进行了研究。
The results of oxidation resistance test showed that additive of aluminum could increase the purity of samples and reduce the presence of secondary phase 氧化增重实验的结果表明:在起始原料中掺加al粉有助于提高所合成材料的ti3sicz纯度，减少杂质相的生成。
