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山东大学学报 (工学版) ›› 2023, Vol. 53 ›› Issue (1): 18-24.doi: 10.6040/j.issn.1672-3961.0.2022.155

• • 上一篇    

不同类型温拌剂对沥青性能影响

董昭1,徐书东1*,柳久伟1,戚哲前2,马士杰1,符东绪1   

  1. 1.山东省交通科学研究院, 山东 济南 250031;2.山东高速工程项目管理有限公司, 山东 济南 250031
  • 发布日期:2023-02-13
  • 作者简介:董昭(1986— ),男,山东济南人,高级工程师,硕士,主要研究方向为道路工程材料. E-mail:316988629@qq.com. *通信作者简介:徐书东(1990—),男,山东聊城人,工程师,硕士,主要研究方向为道路工程材料. E-mail:842631849@qq.com
  • 基金资助:
    山东省自然科学基金重点项目(ZR2020KE024)

Effect of different types of warm mix agents on asphalt properties

DONG Zhao1, XU Shudong1*, LIU Jiuwei1, QI Zheqian2, MA Shijie1, FU Dongxu1   

  1. 1. Shangdong Transportation Research Institute, Jinan 250031, Shandong, China;
    2. Shandong High-speed Engineering Project Management Co., Ltd., Jinan 250031, Shandong, China
  • Published:2023-02-13

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摘要： 选取Sasobit、Aspha-min、Evotherm-DAT 3种温拌剂加入到70#基质沥青中制备温拌沥青,通过沥青荧光显微镜试验、三大指标试验、黏度试验和流变试验分析不同类型温拌剂对沥青常规指标和流变特性的影响规律。荧光显微镜下Sasobit温拌剂不能完全溶于沥青,沥青呈现明显的龟裂现象。添加温拌剂造成沥青针入度降低、软化点升高,沥青黏度降低,Aspha-min温拌剂和Evotherm-DAT温拌剂改善沥青延度,但Sasobit温拌剂会导致沥青延度降低。3类温拌剂的降温效果对比为Sasobit温拌剂优于Evotherm-DAT温拌剂优于Aspha-min温拌剂;填加3种温拌剂沥青的高温抗车辙性能对比为Sasobit温拌剂优于Aspha-min温拌剂优于Evotherm-DAT温拌剂。

关键词: 温拌剂, 沥青性能, 三大指标, 黏度, 流变特性

中图分类号: 

  • U414
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