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本文从室内试验和工程实践两方面论证了国产稠油沥青及沥青混合料具有良好的高温抗车辙性能及低温抗裂性能,其质量能达到或超过国外进口优质沥青的水平,适用于铺筑高等级公路。采用国产沥青具有显著的社会经济效益。
This paper demonstrates that domestic heavy oil bitumen and asphalt mixture have good high temperature anti-rutting performance and low temperature anti-cracking performance from two aspects of indoor test and engineering practice. The quality of domestic heavy oil bitumen and asphalt mixture can meet or exceed the level of imported high quality bitumen, highway. The use of domestic asphalt has significant socio-economic benefits.