• The test results show that low grade cement, replacement of cement by fly ash, and adding some carbon fibers are all helpful in improving the self-healing performance of concrete.

    结果表明选用低强度等级水泥粉煤灰部分取代水泥以及加入纤维可以一定程度上提高混凝土的愈合效果。

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  • Through proper designed plan, high quality cement clinker was obtained by using low grade limestone as raw material. Samples were investigated by petrography analysis (PA) and X-ray diffraction (XRD).

    品位石灰石原料通过合理的配料方案,成功制备了性能优异的水泥熟料

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  • This article discussed from three-axis concrete pavement construction point of view briefly in the low-grade cement concrete pavement construction, how to control good road surface roughness.

    本文三轴式水泥混凝土摊铺机施工角度出发,简要阐述了等级水泥混凝土路面施工中,如何控制路面平整度。

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  • The exploration and application of low cement castable with high grade quality super calcined bauxite as main raw material are introduce in this article.

    开发应用特级优质铝矾土熟料作主料水泥浇注料

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  • Based on some experiments, low-alkali cement with high-performance was produced by using low-grade limestone, powdered sandstone and bauxite slag, etc.

    试验基础,突破传统水泥配料模式,利用低品位石灰石砂岩矾士生产出了高性能低碱水泥。

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  • Based on some experiments, low-alkali cement with high-performance was produced by using low-grade limestone, powdered sandstone and bauxite slag, etc.

    试验基础,突破传统水泥配料模式,利用低品位石灰石砂岩矾士生产出了高性能低碱水泥。

    youdao

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