特立尼达湖改性沥青路用性能试验研究  

The experimental study on the road performance of TLA modified asphalt mixtures

作　　者：姜丽伟[1] 

机构地区：[1]哈尔滨工业大学,黑龙江哈尔滨150090

出　　处：《四川建筑科学研究》2013年第1期178-181,共4页Sichuan Building Science

摘　　要：进行了特立尼达湖沥青的路用性能试验研究,包括特立尼达湖改性沥青掺量的确定及配制,特立尼达湖改性沥青的针入度、延度、软化点及布氏旋转粘度试验。通过对特立尼达湖改性沥青的路用性能试验研究,初步确定了用25%和33%的湖沥青掺量,进行沥青混合料试验比对,同时和基质沥青混合料进行对比。沥青混合料试验前,首先进行了原材料的选择及3种沥青混合料的配合比设计,确定了各自的最佳沥青用量。通过对沥青混合料的水稳定性研究、高温性能及低温抗裂性能研究,分析得出33%掺量的特立尼达湖改性沥青能够提高沥青混合料的水稳定性及高温稳定性等路用性能。The article carried on the research of Trinidad lake asphalt, including： the quantity determination of the Trinidad lake modified asphalt ,the Trinidad lake modified asphalt penetration ,the ductility, the softening point and the viscosity test. Through to the test research of Trinidad lake modified asphalt, determined initially 25% and 33% lake asphalt mix the quantity to carry on the comparison to bituminous mixture experiment, simultaneously carries on the contrast with the matrix bituminous mixture. Before the bituminous mixture experiment, has first carried on raw material choice and three kind of bituminous mixture mixture ratio design, determined respective best asphalt amount. Through to the study on water stability, the high temperature performance and the low temperature crack resistance, some results can be obtained after the analysis ：33% quantity of the Trinidad lake modified asphalt is able to enhance the road performance.

关 键 词：特立尼达湖沥青 改性沥青 路用性能 最佳掺量 

分 类 号：TU528.572[建筑科学—建筑技术科学]