纤维沥青碎石封层在高速公路预防性养护中的应用  

Application of Fiber Asphalt Gravel Seal in Preventive Maintenance of Expressway

作　　者：许子珩 XU Zi-heng(Hebei Baojin Expressway Co.Ltd.,Baoding 071000,China)

机构地区：[1]河北保津高速公路有限公司,河北保定071000

出　　处：《工程建设与设计》2025年第4期173-175,共3页Construction & Design for Engineering

摘　　要：结合实际工程,制订了沥青纤维碎石封层混合料设计方案,包括基质沥青、改性剂、乳化剂、碎石、纤维等,重点研究了沥青纤维碎石封层施工技术要点,并对沥青纤维碎石封层施工质量进行现场检测。结果表明,在公路预防性养护中采用纤维沥青碎石封层,进一步提升了沥青路面平整度、抗滑性和稳定性。Combined with the actual engineering,the design scheme of asphalt fiber gravel sealing layer mixture is formulated,including matrix asphalt,modifier,emulsifier,gravel,fiber,etc.,the technical points of asphalt fiber gravel sealing layer are mainly studied,and the construction quality of asphalt fiber gravel sealing layer is tested on site.The results show that the fiber asphalt gravel sealing layer in the preventive maintenance of highway further improves the smoothness,skid resistance and stability of asphalt pavement.

关 键 词：高速公路 沥青路面病害 沥青纤维碎石封层 预防性养护 

分 类 号：U418.6[交通运输工程—道路与铁道工程]