• 改性灌浆水泥普通硅酸盐水泥掺入特殊的灌浆而成的灌浆材料

    The modified grouting cement introduced in this paper is one kind of new grouting material, being made by finely grinding Portland cement and mixed special grouting agent.

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  • 采用分别混合方式,利用正交试验方法,研究熟料矿渣粉煤灰不同度组合对复合硅酸盐水泥物理性能的影响。

    The properties of the composite cement were studied by orthogonal test, which was prepared by the clinker, slag and fly ash with different fineness and mixed after separately grinding.

    youdao

  • 研究结果表明:多元醇多元醇胺类助剂,都能显著提高水泥粉体度;

    The results indicate that both kinds of grinding aids increase the powder fineness and the Blain's values considerably.

    youdao

  • 工厂规模水泥度和颗粒级矿山原料生料烧成系统等方面传统设计较大改进

    Great improvement must be made on the traditional design ideology exist in plant scale, cement fineness, size distribution, quarry design, raw materials, raw meal grinding and burning etc.

    youdao

  • 同一方法制备水泥强度越高

    While the cement was ground by the same mill, the finer the cement, the higher the strength.

    youdao

  • 本文研究了比表面积相近分选粗而成的粉煤灰与分选粉煤灰颗粒形貌水泥胶砂性能

    In this paper, we mainly study the influence of the cement mortar performance caused by the separating fly ash and the size reduction fly ash, besides, we also study the different fly ash's figure.

    youdao

  • 适当可以缩短立窑水泥配制混凝土凝结时间无法消除立窑水泥配制混凝土凝结时间偏长的缺点。

    Finer grinding in a proper way will reduce the setting time of concrete made by shaft kiln cement containing F. However, it is impossible to...

    youdao

  • 适当可以缩短立窑水泥配制混凝土凝结时间无法消除立窑水泥配制混凝土凝结时间偏长的缺点。

    Finer grinding in a proper way will reduce the setting time of concrete made by shaft kiln cement containing F. However, it is impossible to...

    youdao

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