活性试验显示，低温稻壳灰火山灰活性超过造粒硅灰，对普通混凝土和高强混凝土都具有强烈的增强作用。
The activity test indicates that the pozzolanic activity of L-RHA surpasses that of palletized silica fume, and L-RHA has strong strength effect on ordinary concrete and high strength concrete.
为降低成本而又不大幅度损害活性粉末混凝土的强度，超细粉煤灰等矿物掺合料替代硅灰的量不宜超过加20%。
In order to reduce the cost and increase the RPC strength, the substitution of mixed minerals such as ultra-pulverized fly ash for silica fume quantity can be lower than 20%.
硅灰是用以研究混凝土用的活性火山灰质材料的理想模型材料。
Silica fume is considered as an ideal modelling material for reactive pozzolans used in concrete.
应用推荐