YH型岩沥青添加剂对沥青混合料性能改善的研究

Research of YH Rock Asphalt Additive on Performance Improvement of Asphalt Mixture

YH型岩沥青是通过对岩沥青进行深加工,利用提纯、降灰分、改性等方法,有针对性地提高岩沥青材料在路面工程中的适用性和对路面材料性能的改善作用。对添加YH型岩沥青添加剂后制备的沥青混合料进行试验验证,结果表明,各项指标均满足抗车辙型沥青混凝土的技术标准,在高温稳定性、低温抗裂性、抗水损害等方面均有优异的表现,YH型岩沥青添加剂具有较好的应用前景和社会、经济效益。

YH rock asphalt can improve the applicability of rock asphalt material in pavement engineering and the performance of pavement material by deep processing,purification,ash reduction and modification and so on.The asphalt mixture prepared by adding YH rock asphalt additive is tested and verified.The results show that,all the indexes meet the technical standard of anti-rutting asphalt concrete,with excellent performance in high temperature stability,low temperature crack resistance and water damage resistance.YH rock asphalt additive has good application prospects and social and economic benefits.