水泥混凝土桥面铺装层间抗剪性能研究  

Research on Interlayer Shear Performance of Bridge Deck Pavement of Cement Concrete

作　　者：宋国瑞 王笑风 杨博 万晨光 位可可 SONG Guorui;WANG Xiaofeng;YANG Bo;WAN Chenguang;WEI Keke(Henan Wanlong Expressway Co.,Ltd.,Zhumadian 463000,China;Research and Development Center of Transport Industry of Technologies,Materials and Equipments of Highway Construction and Maintenance,Zhengzhou 450000,China;Henan Provincial Communications Planning&Design Institute Co.,Ltd.,Zhengzhou 450000,China)

机构地区：[1]河南宛龙高速公路有限公司,河南驻马店463000 [2]交通运输行业公路建设与养护技术、材料及装备研发中心,河南郑州450000 [3]河南省交通规划设计研究院股份有限公司,河南郑州450000

出　　处：《安徽工业大学学报（自然科学版）》2021年第4期431-436,共6页Journal of Anhui University of Technology（Natural Science）

基　　金：河南省交通运输厅科技计划项目(2019J-2-4)。

摘　　要：针对水泥混凝土桥面铺装层间结构抗剪性能薄弱的问题,采用ABAQUS有限元软件对调平层和沥青层层间结构受剪性能进行数值模拟,同时考虑双矩形垂直均布荷载及水平荷载的影响,并与桥面铺装结构层间抗剪强度建立关联。结果表明:水泥混凝土桥面铺装层间纵向剪应力对层间合成剪应力影响较大;水平荷载影响下层间合成最大剪应力回归线的斜率大于垂直荷载作用下层间合成最大剪应力回归线的斜率,与垂直荷载相比,水平荷载对铺装结构层间合成最大剪应力的影响更显著;在相同垂直荷载作用下,以SBS改性沥青同步碎石封层为桥面铺装防水黏结层时的层间抗剪强度比以SBS改性沥青为防水黏结层时的大,层间结构更安全。For the problem of weak shear performance of the interlayer structure of cement concrete bridge deck pavement,the shear performances of the leveling layer and asphalt interlayer structure were simulated by ABAQUS finite element software.At the same time,the influences of the vertical uniform load and the horizontal load were considered,and the correlation was established with the interlayer shear strength of bridge deck pavement.The results show that the longitudinal shear stress of cement concrete deck pavement has great influence on the composite shear stress,the slope of the composite maximum shear stress regression line of the interstorey structure under horizontal load is greater than that of the interstorey structure under vertical load,and compared with the vertical load,the horizontal load has more significant effect on the composite maximum shear stress between layers.The interlayer shear strength of SBS modified asphalt synchronous crushed stone sealing layer used as waterproof bond layer for bridge deck pavement is larger than that of SBS modified asphalt under the action of the same vertical load,and the interlayer structure is safer.

关 键 词：水泥混凝土 桥面铺装 抗剪强度 防水黏结层 

分 类 号：U416.01[交通运输工程—道路与铁道工程]