高模量剂改性沥青路面关键技术研究与应用  

Research and Application of High Modulus Agent Modified Asphalt Pavement

作　　者：刘日东 LIU Ridong(Zhejiang Communications Construction Group Co.,Ltd.,Hangzhou,Zhejiang Province,310051 China;ZCCC Jinzhu Transportation Construction Co.,Ltd.,Zhejiang Province,310051 China)

机构地区：[1]浙江交工集团股份有限公司,浙江杭州310051 [2]浙江交工金筑交通建设有限公司,浙江杭州310051

出　　处：《科技创新导报》2021年第10期7-10,共4页Science and Technology Innovation Herald

摘　　要：高质量的复合改性沥青能够有效提高路面使用性能。通过改进传统施工方法,本文采用橡塑柔性外掺剂作为高模量剂原材料,对沥青进行改性以提高其稳定耐久性能,并对相关施工工艺的操作要点进行了总结。应用效果表明,高模量剂改性沥青路面关键技术具有提高沥青路面承重层抗高温车辙、低温抗裂和抗疲劳性能等特点,可有效延长路面维护周期。High quality composite modified asphalt can effectively improve the performance of pavement.By improving the traditional construction method,this article uses rubber and plastic flexible admixture as the raw material of the high modulus agent to modify the asphalt to improve its stability and durability,and summarizes the operating points of the related construction technology.The application effect shows that the key technology of high modulus agent modified asphalt pavement has the characteristics of improving high temperature rutting resistance,low temperature crack resistance and fatigue resistance of the bearing layer of asphalt pavement,which can effectively extend the maintenance cycle of the pavement.

关 键 词：改性沥青 橡塑柔性外掺剂 施工工艺 路用性能 

分 类 号：U414[交通运输工程—道路与铁道工程]