铁路混凝土梁人行道步行板的技术要求和结构选型  

Technical Requirements and Structural Selection of Sidewalk Walking Board of Railway Concrete Girder

作　　者：曾志斌 ZENG Zhibin(National Engineering Laboratory for System Test of High-speed Railway,Beijing 100081,China;Railway EngineeringResearch Institute,China Academy of Railway Sciences Corporation Limited,Beijing 100081,China)

机构地区：[1]高速铁路系统试验国家工程实验室 [2]中国铁道科学研究院集团有限公司铁道建筑研究所

出　　处：《铁道建筑》2019年第8期42-44,共3页Railway Engineering

基　　金：中国铁路总公司科技研究开发计划(2017G006-K);中国铁道科学研究院基金(2016YJ026)

摘　　要：针对铁路桥梁人行道的功能和受力特点,提出了步行板技术要求的建议。在分析钢筋混凝土步行板、橡胶步行板和复合材料步行板特点的基础上,根据其各自的生产和实际使用经验,推荐采用连续玻璃纤维增强聚氨酯拉挤成型复合材料步行板,且采用带肋板式结构。Aiming at the function and stress characteristics of the railway bridge sidewalk,the suggestions for the technical requirements of the walking board were put forward.Based on the analysis of the characteristics of reinforced concrete walking boards,rubber walking boards and composite material walking boards,according to their respective productive and practical experience,it is recommended to use continuous glass f iber reinforced polyurethane pultrusion composite material walking boards and ribbed plate structures.

关 键 词：铁路桥梁步行板 技术要求 复合材料 聚氨酯拉挤成型 

分 类 号：U443.34[建筑科学—桥梁与隧道工程]