基于水基发泡的泡沫沥青胶结料性能研究  

Study on the Performance of Foam Asphalt Binder Based on Water-Based Foaming

作　　者：赵锡娟 张业茂 ZHAO Xi-juan;ZHANG Ye-mao

机构地区：[1]南京工程学院经济与管理学院,江苏南京211167 [2]南京工程学院建筑学院

出　　处：《内蒙古公路与运输》2022年第6期1-4,共4页Highways & Transportation in Inner Mongolia

基　　金：南京工程学院产业经济与创新管理研究院开放基金项目(JGKC202104);南京工程学院高等教育研究课题(2022ZC13);南京工程学院产业经济与创新管理研究院开放基金项目资助(JGKA202204);南京工程学院引进人才科研启动基金项目(YKJ201834)。

摘　　要：通过布氏旋转黏度试验、多应力重复蠕变恢复试验(MSCR)及沥青弯曲蠕变劲度试验测定并分析基于水基发泡的泡沫沥青胶结料的黏温特性、高温和低温性能,并与未发泡的原样沥青进行比对,以综合评价泡沫沥青胶结料的性能。由不同温度下的黏度试验结果得出,在4200s气泡消散后,泡沫沥青与原样沥青的黏温特性相当;MSCR试验结果表明,泡沫沥青和原样沥青均呈现较高的应力敏感性;BBR试验结果表明,沥青发泡后低温性能略有降低,但能满足道路使用要求。Brinell rotational viscosity test,Multiple Stress Creep and Recovery(MSCR)test and Bending Beam Rheometer(BBR)test were used to test and analysis the viscosity-temperature characteristics,high and low temperature performance of foam asphalt binder based on water-based foaming.The test results were compared with the original asphalt without foaming to comprehensively evaluate the performance of foam asphalt binder.According to the viscosity test results at different temperatures,after the bubbles dissipate in 4200s,the viscosity-temperature characteristics of foam asphalt were similar to the original asphalt.The results of MSCR test showed that both foam asphalt and original asphalt have high stress sensitivity.BBR test results showed that the low temperature performance of asphalt was slightly reduced after foaming,but all of them meet the requirements of road use.

关 键 词：布氏旋转黏度试验 多应力重复蠕变恢复试验 沥青弯曲蠕变劲度试验 黏温特性 

分 类 号：U414[交通运输工程—道路与铁道工程]