复合改性玄武岩纤维PA-13排水沥青混合料性能研究  

Research on the Performance of Composite Modified Basalt Fiber PA-13 Drainage Asphalt Mixture

作　　者：王海洋 王景博 邵景干 邵旭东 李文凯 WANG Haiyang;WANG Jingbo;SHAO Jinggan;SHAO Xudong;LI Wenkai(Henan Jiaoyuan Engineering Technology Group Co.,Ltd.,Zhengzhou 450046,China;R&D Center of Green High Performance Material Application Technology Transportation Industry,Zhengzhou 450046,China)

机构地区：[1]河南交院工程技术集团有限公司,河南郑州450046 [2]绿色高性能材料应用技术交通运输行业研发中心,河南郑州450046

出　　处：《河南科技》2024年第17期65-68,共4页Henan Science and Technology

基　　金：玄武岩纤维沥青混凝土路面成套技术在高速公路工程中的应用(2021T7);玄武岩纤维及制品在公路工程中的应用关键技术研究(2021J5)。

摘　　要：【目的】为改善排水沥青混合料的路用性能,选用SBS、橡胶粉及玄武岩纤维稳定剂对其进行复合改性。【方法】结合前期研究成果,在SBS及橡胶粉改性剂掺量分别为5%、10%,玄武岩纤维掺量为0.4%的基础上开展PA-13沥青混合料配合比设计;在不同橡胶粉掺量下对PA-13排水沥青混合料开展高温抗车辙、抗水损害及抗剥落等路用性能研究。【结果】从高温性能及经济性考虑,橡胶粉的合理掺量为12%;从水稳定性能角度考虑,橡胶粉掺量为10%;从抗剥落能力及经济性考虑,橡胶粉的合理掺量为10%。【结论】SBS、橡胶粉及玄武岩纤维的掺入能够改善排水沥青混合料的路用性能。[Purposes]To improve the road performance of drainage asphalt mixture,SBS,rubber powder,and basalt fiber stabilizer were selected for composite modification.[Methods]Based on the previous re-search results of the research group,the mix design of PA-13 asphalt mixture was carried out on the ba-sis of SBS and rubber powder modifiers with a dosage of 5%and 10%,respectively,and basalt fiber with a dosage of 0.4%;a study was conducted on the road performance of PA-13 drainage asphalt mixture un-der different rubber powder dosages,including high temperature resistance to rutting,water damage,and peeling.[Findings]From the perspective of high temperature performance and economy,the reasonable dosage of rubber powder is 12%;from the perspective of water stability performance,the rubber powder content is 10%;from the perspectives of anti peeling ability and economy,the reasonable dosage of rub-ber powder is 10%.[Conclusions]The addition of SBS,rubber powder,and basalt fibers can improve the road performance of drainage asphalt mixtures.

关 键 词：改性剂 玄武岩纤维 矿料级配 沥青混合料 路用性能 

分 类 号：U416.217[交通运输工程—道路与铁道工程]