摘要
对再生剂及温拌剂对旧沥青转移规律的影响试验研究,并采用车辙试验、小梁弯曲试验、冻融劈裂试验及析漏试验对比了旧料沥青混合料、再生沥青混合料及温拌再生沥青混合料的路用性能。试验结果表明,加入再生剂后旧沥青向新集料的转移量增大,同时温拌剂和再生剂共同加入后也使得旧沥青转移量增大明显;加入温拌剂的再生沥青混合料具有较好的稳定度、高温性能、水稳定性和低温性能,但其析漏损失较大,后续研究时,可加入纤维对其改良。
The effect of regeneration agent and warm mix agent on the transfer rule of old asphalt was studied in this paper. The rutting test,bending beam test,freeze-thaw split test and leakage test were used to compared the pavement performance among the old asphalt mixture,recycled asphalt mixture and warm mix asphalt mixture Test results show that adding the regenerator into old asphalt,the the amount of material transferred from old asphalt to new aggregate increased. At the same time,when the warm mix agent and regeneration agent joined,the old asphalt transfer volume increased significantly. The recycled asphalt mixture adding warm mix agent material has good stability,high temperature performance,water stability and low temperature performance,while the leakage loss is larger,and the fiber should be added during the further research.
出处
《公路工程》
北大核心
2014年第5期315-318,355,共5页
Highway Engineering
关键词
道路工程
沥青转移
再生
温拌
路用性能
road engineering
asphalt transfer
recycled
warm mix
pavement performance
