多年冻土地区改性沥青混合料的研究

Research on Modified Asphalt Mixture in Permafrost Region

介绍了青藏公路第三期改建工程采用的橡胶改性沥青混合料的设计方案，经过室内试验研究和实际应用，证明这种沥青混合料具有良好的低温抗裂性、耐久性和便于施工等特点。

Papetr introduces the design scheme of SBR modified asphalt thexture that is adopted for the three sctions of the Qinghai-Tibet highwqy reconstruction project. Through the trial research in the laboratory and application in practice,it is testified that the kind of asphalt mixture possests the better anticrack performance at low temperature, durability and convenient construction and also on.