Research on the Strength Development Characteristics and Performance of Cold Recycled Mixtures with Geopolymer and Asphalt Emulsion
LIN Juntao1,2,*, ZHONG Chao2, WANG Zongrui2, XU Fang2, ZHU Xiaobin3
1 Zhejiang Provincial Key Lab for Detection and Maintenance Technology of Road and Bridge, Hangzhou 311305, China 2 Faculty of Engineering, China University of Geosciences (Wuhan), Wuhan 430074, China 3 State Key Laboratory of High Performance Civil Engineering Materials, Jiangsu Research Institute of Building Science Co., Ltd., Nanjing 210008, China
Abstract: Geopolymer have potential to replace cement in cold recycled asphalt mixtures due to its high performance and low carbon emissions. This study aims to enhance the performance of cold recycled asphalt mixtures by incorporating geopolymer. Firstly, the development of indirect tensile strength of emulsified asphalt cold recycling mixtures with different material compositions of geopolymer was investigated. Secondly, the pavement performance, dynamic properties, and microstructure characteristics of the cold recycled asphalt mixtures were studied. The results indicate that geopolymer can significantly improve the indirect tensile strength of the cold recycled asphalt mixtures after 28-day curing. Moreover, the high-temperature performance, low-temperature performance, and resistance to water damage of the cold recycled asphalt mixtures with geopolymer meet the requirements. Additionally, the dynamic modulus of the cold recycling mixture still exhibits frequency-temperature depen-dence. Furthermore, the intertwined structure formed by the asphalt film produced by asphalt emulsion demulsification and the reaction products of geopolymer explains its macroscopic mechanical performance characteristics.
林俊涛, 钟超, 王宗瑞, 徐方, 朱晓斌. 地聚物乳化沥青冷再生混合料的强度发展特征与性能研究[J]. 材料导报, 2025, 39(18): 24050037-6.
LIN Juntao, ZHONG Chao, WANG Zongrui, XU Fang, ZHU Xiaobin. Research on the Strength Development Characteristics and Performance of Cold Recycled Mixtures with Geopolymer and Asphalt Emulsion. Materials Reports, 2025, 39(18): 24050037-6.
1 Xiao F P, Yao S, Wang J Y, et al. Construction and Building Materials, 2018, 180(8), 579. 2 Hao L, Wang W L, Wu J L, et al. Highway, 2023, 68(1), 333( in Chinese). 郝林, 王文路, 吴建灵, 等. 公路, 2023, 68(1), 333. 3 Ma T, Luan Y C, He L, et al. Journal of Traffic and Transportation Engineering, 2023, 23(2), 1(in Chinese). 马涛, 栾英成, 何亮, 等. 交通运输工程学报, 2023, 23(2), 1. 4 Wang M H, Wang C H, Gao X. Materials Reports, 2023, 37(7), 21080241(in Chinese). 王梦浩, 王朝辉, 高璇, 等. 材料导报, 2023, 37(7), 21080241. 5 Meneses J P C, Vasconcelos K, Bernucci L L B. Construction and Building Materials, 2022, 318, 126003. 6 Wei T Z, Hong J X, Lin J T. Journal of Building Materials, 2017, 20(2), 310(in Chinese). 魏唐中, 洪锦祥, 林俊涛. 建筑材料学报, 2017, 20(2), 310. 7 Ayar P. Construction and Building Materials, 2018, 178(7), 551. 8 Li Q, Zhu C Z, Zhang H L, et al. Construction and Building Materials, 2022, 319, 126120. 9 Amir M, Pooyan A. International Journal of Pavement Engineering, 2016, 17(3), 211. 10 Yang Lian, Xu Z C, Zhou H N, et al. Journal of Chongqing Jiaotong University (Natural Science), 2022, 41(2), 124(in Chinese). 杨涟, 徐周聪, 周浩南, 等. 重庆交通大学学报(自然科学版), 2022, 41(2), 124. 11 Cui C, Li Y, Dang Y Z, et al. Materials Reports, 2025, 39(1), 23110101(in Chinese). 崔潮, 李渊, 党颖泽, 等. 材料导报, 2025, 39(1), 23110101. 12 Liu F Q, Guo W D, Chen E Z, et al. Journal of Chongqing University of Technology (Natural Science), 2024, 38(4), 108(in Chinese). 刘富强, 郭伟东, 陈二忠, 等. 重庆理工大学学报(自然科学), 2024, 38(4), 108. 13 Liu F Q, Guo W D, Guo P, et al. Journal of Chongqing University of Technology (Natural Science), 2024, 38(12), 93(in Chinese). 刘富强, 郭伟东, 郭平, 等. 重庆理工大学学报(自然科学), 2024, 38(12), 93. 14 Dong Y S, Hou Y, Zhu Chen, et al. Highway, 2021, 66(9), 323(in Chinese). 董元帅, 侯芸, 朱琛, 等. 公路, 2021, 66(9), 323. 15 Thanon B, Peerapong J, Teewara S, et al. Materials, 2021, 14(22), 7017. 16 Minstry of Transport of the People's Republic of China. Standard test methods of bitumen and bituminous mixtures for highway engineering:JTG E20-2011. China Communications Press, China, 2011(in Chinese). 中华人民共和国交通运输部. 公路工程沥青及沥青混合料试验规程:JTG E20-2011. 人民交通出版社, 2011. 17 Minstry of Transport of the People's Republic of China. Technical specifications for highway asphalt pavement recycling:JTG T5521-2019, China Communications Press, China, 2019. 中华人民共和国交通运输部. 公路沥青路面再生技术规范:JTG T5521-2019, 人民交通出版社, 2019. 18 Lin J T, Hong J X, Xiao Y. Journal of Cleaner Production, 2017, 156(9), 337. 19 Lei J J. Highway, 2023(11), 8(in Chinese). 雷军军. 公路, 2023(11), 8. 20 Li P L, Zhang Z Q, WANG B G. Journal of Highway and Transportation Research and Development, 2016, 33(1), 1(in Chinese). 栗培龙, 张争奇, 王秉纲. 公路交通科技, 2016, 33(1), 1.