•  
  •  
 

Abstract

In response to the challenges faced by self-healing pavement structures such as microcapsules and steel fiber-heated pavement in terms of healing times, energy consumption, and heating time, this paper employed polyurethane with self-healing properties under UV light as a modifier to prepare UV-curable polyurethane modified asphalt (UV-PU asphalt). Meanwhile, the self-healing properties of the asphalt binder, asphalt mortar, and asphalt mixture were studied by conducting dynamic shear rheology, low-temperature beam bending, and four-point bending fatigue tests. The results show that UV-PU asphalt does not exhibit special self-healing properties during indoor tests, but after a certain period of sunlight exposure, its asphalt mortar and asphalt mixture show better self-healing properties than other asphalt mortar and mixture.

Publication Date

11-8-2022

DOI

10.14048/j.issn.1671-2579.2022.05.044

First Page

241

Last Page

245

Submission Date

April 2025

Reference

[1] 沙爱民, 蒋玮, 王文通, 等. 面向智慧道路建造的新型路面材料设计与展望[J]. 科学通报, 2020, 65(30): 3259-3269. SHA Aimin, JIANG Wei, WANG Wentong, et al. Design and prospect of new pavement materials for smart road[J]. Chinese Science Bulletin, 2020, 65(30): 3259-3269. [2] 万九鸣. 基于融雪化冰及自愈合功能的磨耗层材料制备与性能研究[D]. 武汉: 武汉理工大学, 2019. WAN Jiuming. Study on preparation and properties of wear layer materials based on snow melting and self-healing function[D]. Wuhan: Wuhan University of Technology, 2019. [3] BAZIN P, SAUNIER J. Deformability, fatigue and healing properties of asphalt mixes[C]. Intl. Conf. Struct. Design Asphalt Pvmts,1967:438-451. [4] 孙大权, 张立文, 梁果. 沥青混凝土疲劳损伤自愈合行为研究进展(1): 自愈合行为机理与表征方法[J]. 石油沥青, 2011, 25(5): 7-11. SUN Daquan, ZHANG Liwen, LIANG Guo. Review on self-healing behavior of asphalt concrete(1)mechanism and characterization methods of self-healing behavior[J]. Petroleum Asphalt, 2011, 25(5): 7-11. [5] 彭文举, 张瑶瑶. 微波与感应加热对沥青混合料自愈特性影响研究[J]. 中外公路, 2019, 39(5): 215-221. PENG Wenju, ZHANG Yaoyao. Study on the influence of microwave and induction heating on self-healing characteristics of asphalt mixture[J]. Journal of China & Foreign Highway, 2019, 39(5): 215-221. [6] 韦万峰, 周胜波, 谭华, 等. 沥青及其混合料自愈合性能试验研究[J]. 公路, 2020, 65(3): 253-258. WEI Wanfeng, ZHOU Shengbo, TAN Hua, et al. Experimental study on self-healing performance of asphalt and its mixture[J]. Highway, 2020, 65(3): 253-258. [7] 刘富春. 导电沥青混合料电热及自愈合特性研究[D]. 邯郸: 河北工程大学, 2019. LIU Fuchun. Study on electrothermal and self-healing characteristics of conductive asphalt mixture[D]. Handan: Hebei University of Engineering, 2019. [8] 王燕春. 自修复微胶囊在沥青混合料中的应用[J]. 中外公路, 2019, 39(3): 275-280. WANG Yanchun. Application of self-repairing microcapsules in asphalt mixture[J]. Journal of China & Foreign Highway, 2019, 39(3): 275-280. [9] 张雷. 多腔室自愈合胶囊的制备及其对沥青混凝土性能影响的研究[D]. 武汉: 武汉理工大学, 2019. ZHANG Lei. Study on preparation of multi-chamber self-healing capsule and its influence on asphalt concrete performance[D]. Wuhan: Wuhan University of Technology, 2019. [10] 孙艺涵. 沥青及沥青混合料自愈合特性研究[D]. 武汉: 武汉理工大学, 2017. SUN Yihan. Study on self-healing characteristics of asphalt and asphalt mixture[D]. Wuhan: Wuhan University of Technology, 2017. [11] 李江, 余胜军, 李诗琦, 等. 基于自愈合性能的沥青混合料设计因子研究[J]. 公路交通科技, 2019, 36(6): 10-16. LI Jiang, YU Shengjun, LI Shiqi, et al. Study on design factor of asphalt mixture based on self-healing property[J]. Journal of Highway and Transportation Research and Development, 2019, 36(6): 10-16. [12] 高超, 陆国阳, 龚明辉, 等. 自愈合沥青设计的可行性及评价方法研究[J]. 中外公路, 2013, 33(3): 244-247. GAO Chao, LU Guoyang, GONG Minghui, et al. Journal of China & Foreign Highway, 2013, 33(3): 244-247. [13] ALI NOTANI M, MOKHTARNEJAD M. Investigating the rheological and self-healing capability of toner-modified asphalt binder[J]. Proceedings of the Institution of Civil Engineers - Construction Materials, 2020, 173(3): 123-131. [14] 巴淼, 王宪委, 范芳欣, 等. 紫外光固化聚氨酯自愈合涂层的合成和性能研究[J]. 表面技术, 2019, 48(9): 280-286. BA Miao, WANG Xianwei, FAN Fangxin, et al. Synthesis and properties of UV curable polyurethane self-healing coating[J]. Surface Technology, 2019, 48(9): 280-286. [15] GHOSH B, CHELLAPPAN K V, URBAN M W. Self-healing inside a scratch of oxetane-substituted chitosan-polyurethane (OXE-CHI-PUR) networks[J]. Journal of Materials Chemistry, 2011, 21(38): 14473-14486. [16] 王明存, 朱海荣. 高分子材料自修复机理的研究进展[J]. 材料导报, 2012, 26(11): 89-95, 100. WANG Mingcun, ZHU Hairong. Progress in the self-healing mechanisms of polymeric materials[J]. Materials Reports, 2012, 26(11): 89-95, 100. [17] 刘颖, 辛星. 道路用聚氨酯改性沥青的制备工艺研究[J]. 中外公路, 2015, 35(5): 255-259. LIU Ying, XIN Xing. Study on preparation technology of polyurethane modified asphalt for road[J]. Journal of China & Foreign Highway, 2015, 35(5): 255-259. [18] 王元元, 刘燕燕, 何顺顺, 等. 聚氨酯碎石和透水砖两种人行铺装结构及性能对比[J]. 中外公路, 2020, 40(5): 42-46. WANG Yuanyuan, LIU Yanyan, HE Shunshun, et al. Comparison of structure and performance of polyurethane macadam and permeable brick for pedestrian pavement[J]. Journal of China & Foreign Highway, 2020, 40(5): 42-46.

Download

Share

COinS