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.
硅灰是一种极细的火山灰质的高活性二氧化硅。
Microsilica is a sort of tiny pozzolana with high-active silicon dioxide.
活性试验表明，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。
It is indicated that the pozzolanic activity of the rice husk ash is higher than that of pelletized silica fume, resulting to increase of strength for ordinary concrete and high strength concrete.
利用矿物掺合料的火山灰活性等特性，研究了粉煤灰、矿渣粉、硅粉、沸石粉抑制混凝土泛碱的程度；
Utilizing the pozzolanic activity of mineral admixtures, the effect of inhibiting efflorescence of fly ash, slag, silicon fume and zeolite powder was studied;
利用矿物掺合料的火山灰活性等特性，研究了粉煤灰、矿渣粉、硅粉、沸石粉抑制混凝土泛碱的程度；
Utilizing the pozzolanic activity of mineral admixtures, the effect of inhibiting efflorescence of fly ash, slag, silicon fume and zeolite powder was studied;
应用推荐