为了有效利用石粉资源，本文对石灰岩石粉代替粉煤灰作混凝土矿物掺合料的可用性进行了研究。

In this paper the usability of a quarry dust limestone powder in concrete applications substituted for fly ash as mineral admixture is investigated.

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试验研究了添加膨胀组分的复合矿物掺合料的混凝土耐磨性能。

In this experiment, the abrasion resistance of concrete mixed with expansive compound mineral admixture is studied.

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通过试验得出复掺矿物掺合料是改善混凝土断裂脆性的有效途径之一。

The addition of mineral admixtures is one of the effective approaches, which can improve fracture brittleness of high compressive strength concrete.

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