Vehicle barriers play a crucial role in maintaining smooth traffic flow, perimeter protection, and passenger safety. The International Building Code and ASCE 7 provide guidelines to design such barrier systems in a parking structure. These provisions require the system to be designed to resist an equivalent static force of 27 kN. Such provisions based on an average force are too simplistic and may result in an inadequate design. This paper presents results of the numerical investigations of these recommendations. High-fidelity, physics-based, three-dimensional finite element simulations are performed in the study. Calibrated finite element models of passenger vehicles are used to simulate a crash into a vehicle barrier and impact forces are deduced. Additionally, life safety issues associated with stopping a moving vehicle is discussed using vehicle deceleration as the metric. The primary factors affecting the impact forces and deceleration are found to be the vehicle weight, its speed, and barrier rigidity.
Estimation of Vehicular Collision Force for Barriers
Structures Congress 2019 ; 2019 ; Orlando, Florida
Structures Congress 2019 ; 266-274
22.04.2019
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Estimation of Vehicular Collision Force for Barriers
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