CAJ | 학술논문

为了对比研究 A 类防撞等级的 F 型混凝土护栏与单坡型混凝土护栏的防撞性能，基于动态显式有限元法采用 Hyperworks 和 LS-DYNA 软件，采用重型及轻型两种车辆类型，建立了4组车辆-护栏的系统碰撞动力学仿真模型。从沙漏控制及质量缩放证实了仿真结果的可靠性，然后从防撞性能、导向性能及安全性能方面进行了分析，探讨了两种混凝土护栏形式的综合性防撞性能。
위료대비연구 A 류방당등급적 F 형혼응토호란여단파형혼응토호란적방당성능，기우동태현식유한원법채용 Hyperworks 화 LS-DYNA 연건，채용중형급경형량충차량류형，건립료4조차량-호란적계통팽당동역학방진모형。종사루공제급질량축방증실료방진결과적가고성，연후종방당성능、도향성능급안전성능방면진행료분석，탐토료량충혼응토호란형식적종합성방당성능。
In order to study the crashworthiness of the A anti-collision grade concrete barriers of F-shape and Single-slope type,four dynamic simulation models of vehicle-guardrail collision systems were set up,which were based on dynamic explicit finite element method (fem)using Hyperworks and LS-DYNA software.In four simulation models both heavy and light vehicles were used.The reliability of the simulation results were confirmed by hourglass technology and mass scaling method.Then the comprehensive crashworthiness of two types’concrete guardrails were analyzed in the aspects of anti-collision performance,guiding performance and safety performance.