干线公路现有桥梁栏杆改造方案探讨  

Discussion on Reconstruction Scheme for the Existing Bridge Railings of Trunk Highway

作　　者：孙鹏 SUN Peng(Liaoning Highway Surveying and Designing Company,Shenyang 110006,China)

机构地区：[1]辽宁省公路勘测设计公司,沈阳市110006

出　　处：《北方交通》2020年第11期24-27,共4页Northern Communications

摘　　要：《公路交通安全设施设计规范》(JTG D81-2017)全面提高了公路桥梁护栏的设防水准,干线公路的一些桥梁护栏的防撞能力已不能满足要求,需要进行必要的加固改造。通过对规范的理解和实际桥梁护栏改造时所遇到的问题,提出适宜的桥梁护栏改造方案,供从业者参考。The Design Code for Highway Traffic Safety Facilities(JTG D81-2017)has comprehensively improved the fortification level of highway bridge guardrails.The anti-collision ability of some bridge guardrails of trunk highway can no longer meet the requirements,which is needed to be with necessary reinforcement and reconstruction.The appropriate reconstruction schemes for bridge guardrails are put forward through the understanding of the code and the problems encountered during the reconstruction of the actual bridge guardrails,so as to provide reference for practitioners.

关 键 词：干线公路 护栏改造 端部处理 过渡段设计 

分 类 号：U443.7[建筑科学—桥梁与隧道工程]