目前泵送混凝土用量过大，为了保证泵送混凝土的可泵性，往往在泵送混凝土中加入适量的引气剂。

At present, excessive pumping concrete, pumping concrete in order to ensure the availability of pumps, pumping concrete, often adding an appropriate amount of air-entraining agent.

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这样，不仅利用了尾矿废料，同时还有进一步降低混凝土水泥用量、节约成本的可能。

So, not only use the tailings waste, and further reduce the dosage of cement and concrete cost-saving possible.

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硬化混凝土地坪中，节约水泥用量，施工中不提浆，增加强度和耐磨耐久性作用。

For concrete ground, it can save the cement consumption, and no purifying is needed, which increases the strength and wear resistance.

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