Through indoor test,paving and survey in the test section of Taijiu Expressway,the paper analyzed the performance of Trinidad lake asphalt and its mixture,and proved its value for popularizing.

• 通过室内试验、太旧高速路试验段的铺筑与观测,对千里达湖沥青改性国产重交通沥青及沥青混合料进行性能测试,证明了千里达湖沥青作为改性剂,改善了沥青及沥青混合料的性能,有很大的推广价值。