基于表面能理论的片麻岩-改性沥青黏附性研究  

Research on Adhesion Characteristics of Gneiss-Modified Asphalt Based on Surface Energy Theory

作　　者：刘虎军[1] 唐光星[1] 黄国忠 常明丰[3] 张博睿 LIU Hu-jun;TANG Guang-xing;HUANG Guo-zhong;CHANG Ming-feng;ZHANG Bo-rui(CCCC Fourth Harbor Engineering Institute Co.Ltd.,Guangzhou 510230,China;The First Engineering Company of CCCC Fourth Harbor Engineering Co.Ltd.,Guangzhou 510420,China;Chang’an University,Xi'an 710061,China)

机构地区：[1]中交四航工程研究院有限公司,广州市510230 [2]中交四航局第一工程有限公司,广州市510420 [3]长安大学,西安市710061

出　　处：《公路》2022年第9期373-378,共6页Highway

基　　金：水工构造物耐久性技术交通运输行业重点实验室开放课题,项目编号KFKT-SG-2021-02;大学生创新创业训练计划项目,项目编号S202110710328。

摘　　要：为了研究酸性片麻岩集料与改性沥青的黏附特性,制备SBS改性沥青、掺加抗剥落剂的SBS和SBR改性沥青,在测定3种改性沥青基本性能的基础上,利用接触角测量仪分别测试3种改性沥青与不同测试试剂的接触角,借助表面能理论计算表面能参数,并以黏附功、剥落功、水稳定性指标评价片麻岩-改性沥青水稳定性。结果表明:掺加抗剥落剂的SBR改性沥青的表面能和极性分量均最大,SBS改性沥青的表面能、极性分量最小;掺加抗剥落剂的SBR改性沥青的黏附功、水稳定性指标均最大,其次为掺加抗剥落剂的SBS改性沥青,SBS改性沥青与片麻岩的黏附性最差。To study the adhesion characteristics of acid gneiss aggregate and modified asphalt,SBS modified asphalt,SBS and SBR modified asphalt mixed with anti-stripping agent are prepared.On the basis of measuring the basic properties of three modified asphalts,the contact angles between the three modified asphalts and different test reagents are measured by a contact angle measuring instrument.Surface energy parameters are calculated using the surface energy theory,and the adhesion work,peeling work and water stability indicators are used to evaluate the water stability of the gneiss-modified asphalt.The results show that the surface energy and polarity components of SBR modified asphalt with anti-stripping agent are both the largest,while the surface energy and polarity components of SBS modified asphalt are the smallest.The SBR modified asphalt with anti-stripping agent has the largest adhesion work and water stability indicator,SBS modified asphalt with anti-stripping agent follows,and the adhesion characteristics between SBS modified asphalt and gneiss is the worst.

关 键 词：道路工程 片麻岩 改性沥青 黏附性 表面能理论 

分 类 号：U414.01:TU528.42[交通运输工程—道路与铁道工程]