摘要
为了评价高黏度改性沥青在老化前后的基本性能指标的变化,以90号基质沥青为原材,选用TPS和SINOTPS两种高黏度改性剂,制备了高黏度改性沥青,分析了老化前后高黏度沥青的基本性能变化,结果表明:两种高黏改性沥青老化前后基本性能均发生变化,TPS高黏改性沥青老化后针入度和软化点变大,延度降低,SINOTPS高黏改性沥青老化后针入度变化较小,软化点增大,延度降低。
In order to evaluate the changes in the basic performance indicators of high viscosity modified asphalt before and after aging,90 base asphalt was used as raw material,and two high viscosity modifiers,TPS and SINOTPS,were selected to prepare high viscosity modified asphalt.The basic performance changes of high viscosity asphalt before and after aging were analyzed.The results showed that the basic properties of both high viscosity modified asphalt changed before and after aging,and the penetration and softening point of TPS high viscosity modified asphalt increased after aging,The ductility decreases,and after aging,the needle penetration of SINOTPS high viscosity modified asphalt changes less,the softening point increases,and the ductility decreases.
作者
白光军
徐希忠
王振广
胡家波
杨吉光
符东绪
BAI Guangjun;XU Xizhong;WANG Zhenguang;HU Jiabo;YANG Jiguang;FU Dongxu(Liaocheng Transportation Development Co.,Ltd.,Liaocheng 252000;Shandong Transportion Institute,Jinan 250102;Liaocheng Shengyuan City Construction and Development Co.,Ltd.,Liaocheng 252000)
出处
《石油沥青》
2023年第6期24-28,共5页
Petroleum Asphalt
基金
国家重点研发计划(2018YFB1600100)
山东省自然科学基金(ZR2020QE271、ZR2020KE024)
山东省重点研发计划(2019GSF109020、2019GGX101042)。
关键词
高黏度改性沥青
老化
基本性能
high viscosity modified asphalt
ageing
basic performance
