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为减少石油沥青的生产使用对环境的不良影响,节约道路材料的成本,改善石油沥青的性能缺陷,综述了一种绿色环保、可持续的全新路面材料,生物沥青。主要介绍了生物沥青在国内外的发展现状、制备过程、性能特征及与石油沥青相比所具有的优势。通过分析表明生物沥青可能会成为应用到路面施工过程中一种很好的替代产品,具有较大的研究空间,发展潜力巨大。
In order to reduce the negative impact on the environment caused by the production and use of petroleum bitumen, save the cost of road materials and improve the performance defects of petroleum bitumen, a green and sustainable new pavement material and biological bitumen are reviewed. This paper mainly introduces the development status, preparation process, performance characteristics and advantages of bio-asphalt at home and abroad and its advantages compared with petroleum asphalt. The analysis shows that bio-asphalt may become a good alternative product applied to pavement construction, with a large research space and great potential for development.