虎门二桥钢混组合式护栏设计  

Design of Steel-concrete Composite Guardrail for Humen Second Bridge

作　　者：徐德志 XU De-zhi(Guangdong Communication Planning&Design Institute Group Co.,Ltd,Guangzhou,Guangdong 510507,China)

机构地区：[1]广东省交通规划设计研究院集团股份有限公司,广东广州510507

出　　处：《广东交通职业技术学院学报》2022年第4期48-53,共6页Journal of Guangdong Communication Polytechnic

摘　　要：钢混组合式护栏是兼具钢筋混凝土墙式护栏经济性和金属梁柱式护栏景观性的一种新型护栏形式,符合桥梁护栏设计“安全、环保、舒适、和谐”的基本原则。本文详细介绍了虎门二桥钢混组合式护栏的设置原则、设计细节及碰撞试验情况,该设计通过实车试验表明其防护等级可达到SS和SA级,在保证安全性的基础上,兼顾景观性、经济性及可施工性,可供今后类似桥梁护栏设计借鉴和参考。The steel-concrete composite guardrail is a new type of guardrail which has both the economy of reinforced concrete guardrail and the landscape of metal guardrail.It conforms to the basic principle of“safety,environmental protection,comfort and harmony”.This paper introduces the setting principle,design details and collision test of steel-concrete composite guardrail of Humen second bridge in detail.The real vehicle test shows that its protection grade can reach SS and SA grade.On the basis of ensuring safety,it takes into account the landscape,economy and constructability,which can be used for reference for similar bridge guardrail design in the future.

关 键 词：虎门二桥 钢混组合式护栏 碰撞试验 

分 类 号：U448.216[建筑科学—桥梁与隧道工程]