高掺量橡胶沥青技术发展与探讨  

Development and discussion of high-content rubberized asphalt technology

作　　者：王寒冰 王仕峰[1] Wang Hanbing;Wang Shifeng(School of Chemistry and Chemical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China)

机构地区：[1]上海交通大学化学化工学院,上海200240

出　　处：《中国胶粘剂》2024年第1期57-62,70,共7页China Adhesives

基　　金：废轮胎的绿色功能化回收利用(2021YFE0105200)。

摘　　要：高掺量橡胶沥青作为一种新型筑路技术,具有低温性能优异、耐久性能良好、胶粉消耗量大以及环境效益高等优势。为进一步推动高掺量橡胶沥青技术的应用,明晰其发展现状及需求,系统汇总了高掺量橡胶沥青的技术特性、胶体结构、性能评价、主流工艺、工程应用及问题。首先明确了高掺量橡胶沥青的含义,并对其不同于传统橡胶沥青的改性机理进行了阐述;其次,以化学反应的发生为判据,对比分析了现有物理手段及化学手段,并通过胶体结构变化进一步探索了高掺量橡胶沥青改性过程,结合其性能表现进行了结构性能分析;进而,围绕胶粉脱硫及沥青中熬制两类化学手段进行了深入阐述,总结评述了当下主流的高掺量橡胶沥青制备技术;最后,结合工程案例论述了高掺量橡胶沥青的可行性及优越性,并指出其存在的工程问题。High-content rubberized asphalt,as new technology for road construction,has the advantages such as excellent low-temperature performance,good durability,high rubber powder consumption and high environmental benefits.In order to further promote the application of high-content rubberized asphalt technology,clarify its development status and demands,in this article,the technical features,colloidal structure,performance evaluation,mainstream processes,engineering application and problems of high-content rubberized asphalt were reviewed.Firstly,the concept of high-content rubberized asphalt was clarified,and its modification mechanism different from traditional rubber asphalt was explained.Secondly,based on the occurrence of chemical reactions,the existing physical and chemical methods were compared and analyzed.And the modification process of high-contentrubberized asphalt was further explored through the change of colloidal structure,the structural performance wasanalyzed in combination with its performance.Furthermore,an in-depth exposition was conducted on two chemicalmethods of desulfurization with rubber powder and boiling in asphalt,summarizing and evaluating the currentmainstream high-content rubberized asphalt preparation technologies. Finally,the feasibility and superiority ofhigh-content rubberized asphalt were discussed through engineering cases,and the existing engineering problemswere pointed out.

关 键 词：道路工程 橡胶沥青 综述 高掺量 脱硫胶粉 胶体结构 

分 类 号：U415.6[交通运输工程—道路与铁道工程]