On Properties of Warm Mix Recycled Asphalt Mixture in Highway

doi:10.3969/j.issn.1674-0696.2011.02.16

Journal of Chongqing Jiaotong University(Natural Science) ›› 2011, Vol. 30 ›› Issue (2): 250-253.DOI: 10.3969/j.issn.1674-0696.2011.02.16

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On Properties of Warm Mix Recycled Asphalt Mixture in Highway

SUN Jishu¹, XIAO Tian², YANG Chunfeng¹, JIN Canzhang²

1.School of Civil Engineering, Hebei University of Technology, Tianjin 300401, China;2.Tianjin Municipal Engineering Design&Research Institute, Tianjin 300051, China

Received:2010-12-01 Revised:2010-12-26 Online:2011-04-15 Published:2015-03-12

温拌再生沥青混合料的路用性能研究

孙吉书¹，肖田²，杨春风¹，靳灿章²

1.河北工业大学土木工程学院，天津300401; 2.天津市市政工程设计研究院，天津300051

作者简介:孙吉书(1976 — )，男，河北光宗人，副教授，博士生，主要从事道路工程的教学与科研工作。E-mail:sunjishu76@126.com。
基金资助:
天津市市政公路管理局基金项目(09-15)

Abstract

Abstract: Firstly, the impact of Sasobit on asphalt viscoity was studied; mix temperature of warm mix recycled asphalt mixturew as determined.High temperature performance, low temperature performance and water stability of the said mixture were studied when recycled asphalt mixture coten tw as 0% to 60%; the influence of recycled aspha ltm ix ture cotent on the properties of wa rm m ix recy cled aspha ltm ix turew as analyzed.The results dem onstrated tha t Sasobit co ld g rea tly reduce as pha lt v isco ity and lower them ix and copaction temperature of the asphalt.W a rm m ix recyc led asphalt m ixture could be em p loyed in d ifferent pavem ent structures due to its confo rma tion to current spec ifications

Key words: road engineering, warm mix, recycled asphalt mixture, experimental research

摘要： 研究了Sasobit掺入量对沥青黏度的影响,确定了温拌沥青混合料的拌和温度；试验研究了当废旧沥青混合料掺入量为0%~60%时,温拌再生沥青混合料的高温性能、低温性能及水稳定性,并与热拌沥青混合料的技术指标进行了比较；分析了废旧沥青混合料掺入量对温拌再生沥青混合料性能的影响。研究结果表明:Sasobit可显著降低沥青的黏度,从而降低沥青混合料的拌和与压实温度；温拌再生沥青混合料的各项技术指标均满足规范的要求, 可以用于各种路面结构中。

关键词: 道路工程, 温拌, 再生沥青混合料, 试验研究

CLC Number:

U416.217

SUN Jishu, XIAO Tian, YANG Chunfeng, JIN Canzhang. On Properties of Warm Mix Recycled Asphalt Mixture in Highway[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(2): 250-253.

孙吉书，肖田，杨春风，靳灿章. 温拌再生沥青混合料的路用性能研究[J]. 重庆交通大学学报（自然科学版）, 2011, 30(2): 250-253.

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On Properties of Warm Mix Recycled Asphalt Mixture in Highway

温拌再生沥青混合料的路用性能研究

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