Enhanced ice and snow melting efficiency of steel slag based ultra-thin friction courses with steel fiber

• Published in: Journal of cleaner production 2019-11, Vol.236, p.117613, Article 117613
• Main Authors: Wan, Jiuming, Wu, Shaopeng, Xiao, Yue, Fang, Mingjing, Song, Wei, Pan, Pan, Zhang, Dong
• Format: Article
• Language: English
• Subjects: Ice and snow melting; Induction heating; Steel fiber; Teel slag; Ultra-thin friction course
• ISSN: 0959-6526; 1879-1786
• DOI: 10.1016/j.jclepro.2019.117613

Implementing melting function on pavement without reconstruction lead to cleaner pavement engineering. This study proposed the reusing of steel slag to design ultra-thin friction courses for pavement maintenance with ice and snow melting functions. Reusing the steel slag in the proposed ultra-thin friction courses could help to ease environment degradation. Volumetric performance and moisture damage resistance were tested. Corresponding induced temperature increment and effective induction heating depth were measured to characterize the effect of steel slag. Ice and snow melting efficiency was evaluated based on the melting of simulated ice layer and natural accumulated snow. Results indicated that steel slag can enhance the induction heating property of pavement friction courses. Steel slag based mixture showed adequate volumetric and durable performance in comparison with mixtures that have no steel slag. The ice and snow melting efficiency of pavement friction courses could also be enhanced through addition of steel slag. This proposal would enhance cleaner production and sustainability in pavement engineering. [Display omitted] •Steel slag was recycled in friction courses for pavement maintenance.•Steel slag based friction courses coupled with steel fiber was designed.•Ice/snow melting function of the friction courses were studied.•Steel slag and fiber can enhance the induction heating property of friction courses.•Slag courses can be paved onto exist road to promote ice/snow melting function.