【摘要】 本文通过系统的室内试验分析,说明兰炼4种标号重交沥青的常规技术指标均符合重交通量道路石油沥青的技术要求,且兰—90~#沥青混合料的路用性能优于进口新—90~#沥青混合料。更多还原

【Abstract】 The article expounds, on the basis of systematic indoor experiments, that the routine technical indexes of four kinds of heavy traffic asphalt produced in Lanzhou Oil Refinery, all meet the technical requirements of petrolum asphalt for heavy traffic roads, and that performance of Lanzhou - 90# asphalt mixtures is superior to that of the imported Singapore - 90# asphalt mixtures.更多还原