Fracture energy of concrete was measured for studying the fracture brittleness of the high performance concrete mixed ground granulated blastfurnace slag (GGBFS) and silica fume.
采用混凝土断裂能试验研究了使用磨细矿渣和硅灰配制的高强度高性能混凝土的断裂脆性。
For concrete containing silica fume or ground slag, the reduction of auto-shrinkage is more effective by composite aggregate.
尤其对于含硅灰或矿粉的混凝土，复合骨料降低混凝土的自收缩效果更好。
Silica fume is considered as an ideal modelling material for reactive pozzolans used in concrete.
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。
With high dispersity and high activity, silica fume is a specific additive for cement and concrete, capable of distinctly improving the performance of concrete and upgrading the strength of concrete.
作为高分散度和高活性材料，硅粉是一种特效的水泥、混凝土掺合料，它能明显地改善混凝土的性能，提高混凝土的强度。
Densitied silica fume is a kind of excellent multi-function replenishment, especially for concrete. It is easy to transport, and convenient to use.
增密硅灰是一种便于运输、便于使用能更好地应用于混凝土的高效多功能添加剂。
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.
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。
For raising the anti friction property of road concrete, the use of silica fume instead of partial cement was tried. A systematic study on the properties of silica fume concrete was conducted.
为了提高道路路面混凝土的抗磨能力，采用硅灰代替部分水泥的方法，对硅灰混凝土的性能进行了较系统的试验研究。
For raising the anti friction property of road concrete, the use of silica fume instead of partial cement was tried. A systematic study on the properties of silica fume concrete was conducted.
为了提高道路路面混凝土的抗磨能力，采用硅灰代替部分水泥的方法，对硅灰混凝土的性能进行了较系统的试验研究。
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