透水钢渣沥青混合料现状与研究进展

The Present Situation and Research Progress of Permeable Asphalt Mixture of Steel Slag

现总结了钢渣的化学成分、矿物相及碱性;分析了影响钢渣体积稳定性的因素及这些因素的来源和改善方法;对比了透水钢渣沥青混合料与普通透水沥青混合料在配合比设计方法上的异同。通过对已有的国内外透水钢渣沥青混合料研究成果及发展趋势的分析和总结,研究了钢渣的材料特性在透水沥青混和料的路用性能方面较天然集料的优势,最后对透水钢渣沥青混合料的未来发展趋势进行了展望。

This paper summarizes the chemical composition,mineral phase and alkalinity of steel slag.The factors affecting the volume stability of steel slag the sources of these factors are analyzed as well as the improvement methods.The similarities and differences of the mix design methods of steel slag permeable asphalt mixture and ordinary permeable asphalt mixture are compared.Existing research results and development trend of steel slag permeable asphalt mixture at home and abroad are summarized.This paper presents and studies the advantages of the material properties of steel slag compared with natural aggregate in the road performance of pervious concrete.Finally,the future development trend of pervious steel slag asphalt mixture is prospected.