试验表明，随粉煤灰掺量的增加，硬化体抗压强度、浆体流动度降低，而凝结时间延长，结石率和粘度增大；
The results show that with the increase of fly ash proportion the concretion strength and serum fluidity decrease, while setting time, hardening rate and viscidity increase.
研究发现，磷渣掺量由20%增至60%时，水泥抗折和抗压强度均大幅下降，凝结时间随磷渣掺量增加而显著延长。
The results showed that the cement strength would be decreased and setting time increased drastically if the content of phosphor slag increased from 20% to 60%.
将活化煤矸石掺入硅酸盐水泥中，水泥凝结时间延长，胶砂强度随着活化煤矸石掺量的增加而降低；
The setting time of portland cement was extended with the content of the activated coal gangue increasing. And mechanical properties decreased with the increase content of coal gangue;
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