Bio-based rejuvenators in asphalt pavements:A comprehensive review and analytical study  

作　　者：Maria Chiara Cavalli Wangjie Wu Lily Poulikakos 

机构地区：[1]Division of Highway and Railway Engineering,KTH Royal Institute of Technology,Stockholm 10044,Sweden [2]School of Highway,Chang'an University,Xi'an 710064,China [3]Empa,Dübendorf 8600,Switzerland

出　　处：《Journal of Road Engineering》2024年第3期282-291,共10页道路工程学报（英文）

基　　金：the Swedish Research Council for Sustainable Development FORMAS(grant 2021-00527);Wangjie Wu acknowledges the scholarship funding of the CSC-KTH program.

摘　　要：The pressing demand for sustainable advancements in road infrastructure has catalyzed extensive research into environmentally conscious alternatives for the maintenance and restoration of asphalt concrete pavements.This paper offers a comprehensive review and analysis of bio-based rejuvenators as a promising avenue for enhancing the longevity and sustainability of asphalt.Through a multifaceted exploration,it delves into various aspects of this innovative approach.Providing a thorough overview of bio-based rejuvenators,the study highlights their renewable and environmentally friendly characteristics.It conducts an in-depth examination of a wide spectrum of bio-derived materials,including vegetable oils,waste-derived bio-products,and biopolymers,through a comprehensive survey.The paper evaluates how bio-based rejuvenators enhance aged asphalt binders and mixes,effectively mitigating the adverse impacts of aging.Furthermore,it investigates how these rejuvenators address environmental concerns by identifying compatibility issues,assessing long-term performance,and evaluating economic feasibility.Finally,the paper outlines potential advancements and research pathways aimed at optimizing the utilization of bio-based rejuvenators in asphalt concrete,thereby contributing to the sustainable evolution of road infrastructure.

关 键 词：Bio-based rejuvenator Bio-based asphalt concrete Bio-based asphalt mechanical performance Environmental benefit Optimized utilization of bio-based rejuvenator 

分 类 号：U414[交通运输工程—道路与铁道工程]