环保温拌SBS改性沥青的制备及其流变特性

兰州理工大学学报 ›› 2026, Vol. 52 ›› Issue (2): 22-30.

环保温拌SBS改性沥青的制备及其流变特性

张磊¹, 朱迎龙¹, 林梅^*1, 朱永峰², 王兆力³

1.兰州理工大学土木与水利工程学院, 甘肃兰州 730050;
2.中国科学院兰州化学物理研究所, 甘肃兰州 730050;
3.甘肃路桥建设集团有限公司, 甘肃兰州 730050

收稿日期:2025-05-09 出版日期:2026-04-28 发布日期:2026-04-28
通讯作者: 林梅(1983-),女,山东烟台人,博士,副教授. Email:linmei@lut.edu.cn
基金资助:
国家自然科学基金(52468066),甘肃省科技专项 (25CXGA080)

Preparation and rheological properties of eco-friendly SBS-modified warm mix asphalt

ZHANG Lei¹, ZHU Ying-long¹, LIN Mei¹, ZHU Yong-feng², WANG Zhao-li³

1. School of Civil and Hydraulic Engineering, Lanzhou University of Technology, Lanzhou 730050, China;
2. Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730050, China;
3. Gansu Road and Bridge Construction Group Maintenance Technology Co., Ltd., Lanzhou 730050, China

Received:2025-05-09 Online:2026-04-28 Published:2026-04-28

摘要/Abstract

摘要： 针对SBS改性沥青拌合压实温度高,能耗大易老化的问题,以裂解的活化胶粉为基质制备一种环保型温拌剂.为探究裂解橡胶作为基质制备的温拌剂对SBS改性沥青流变性能的影响规律,对不同掺量裂解橡胶温拌SBS改性沥青的高低温流变特性进行了系统的研究.结果表明:裂解橡胶对沥青的高温抗车辙性能有轻微负面影响,在7%掺量时高温抗车辙性能与原改性沥青相近.当掺量为5%时,改性沥青具有较好的高温储存稳定性以及低温抗裂性能,掺量为3%~5%时,改性沥青的疲劳性能最优.综合考虑下,裂解橡胶掺量在5%~7%时最佳,此时改性沥青可同时兼顾较好的高低温流变性能以及疲劳特性.

关键词: 裂解橡胶, 温拌剂, SBS改性沥青, 流变特性

Abstract: To address the issues of high temperature requirementsexcessive energy consumptionof SBS-modified asphalt during mixing and compaction processes, an environmentally friendly warm-mix additive was developed using pyrolyzed activated rubber powder as the base material. In order to investigate the influence of the warm-mix additive on the rheological properties of SBS-modified asphalt, a systematic experimental study was conducted on the high and low-temperature rheological properties of SBS-modified asphalt with different dosages of pyrolyzed rubber. The results indicated that pyrolyzed rubber has a slight negative effect on the high-temperature rutting resistance of asphalt, with the rutting resistance being comparable to that of the original modified asphalt at 7% dosage. When the dosage is 5%, the modified asphalt has better high-temperature storage stability and low-temperature cracking resistance, and the fatigue performance of the modified asphalt is optimal when the dosage is 3%~5%. Under comprehensive consideration, the optimal dosage of pyrolyzed rubber is between 5% and 7%, at which the modified asphalt can simultaneously achieve good high and low-temperature rheological properties as well as fatigue characteristics.

Key words: pyrolyzed rubber, warm mix additive, SBS-modified asphalt, rheological properties

中图分类号:

U414

张磊, 朱迎龙, 林梅, 朱永峰, 王兆力. 环保温拌SBS改性沥青的制备及其流变特性[J]. 兰州理工大学学报, 2026, 52(2): 22-30.

ZHANG Lei, ZHU Ying-long, LIN Mei, ZHU Yong-feng, WANG Zhao-li. Preparation and rheological properties of eco-friendly SBS-modified warm mix asphalt[J]. Journal of Lanzhou University of Technology, 2026, 52(2): 22-30.

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链接本文: https://journal.lut.edu.cn/CN/

https://journal.lut.edu.cn/CN/Y2026/V52/I2/22

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