Germany in 1865 began producing limeslagcement, early in 1880 the production of slag cement.
德国于1865年开始生产石灰矿渣水泥，早在1880年生产的矿渣水泥。
2
The comprehensive study on the impact and mechanism of mineral fillers, as fly-ash, Portland cement, slag-powder, hydrated lime and so on, improved asphalt concrete stability is scarce.
对于替代矿粉使用的粉煤灰、水泥、矿渣粉、石灰等填料对沥青混合料性能的改善效果及机理缺乏系统的研究。
3
To solve above-mentioned problem, this paper mainly researches on the fillers such as lime stone fines, fly ash, Portland cement, slag-powder and hydrated lime.