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针对现有公路声屏障结构存在的对碰撞车辆产生严重绊阻的安全问题,采用理论分析、计算机仿真等技术手段对失控车辆碰撞声屏障的形态特点、绊阻原因等进行了深入分析,找出了影响声屏障防护安全的关键因素,并研究提出了一种集安全防护、隔(吸)音降噪和景观于一体的多功能新型声屏障结构,这种新型声屏障结构与混凝土护栏的组合系统,最大能够对SA级(400kJ)碰撞条件进行有效防护,消除了现状声屏障结构存在的固有安全风险,大大提升了公路行车安全水平。
Aiming at the safety problem of existing highway sound barrier structure, which has a serious stumbling on the collision vehicle, the morphological characteristics of the crash noise barrier and the cause of the trip were analyzed by theoretical analysis, computer simulation and other technical means to find out The key factors affecting the safety of the sound barrier are studied and a new multi-functional sound barrier structure integrating safety protection, sound isolation and landscape in isolation is studied. The combination of this new sound barrier structure and the concrete guardrail System can effectively protect the SA-class (400kJ) collision conditions, eliminating the inherent safety risk of the existing sound barrier structure and greatly improving the traffic safety level of the highway.