Structures Congress 2019
Estimation of Vehicular Collision Force for Barriers
Publication: Structures Congress 2019: Bridges, Nonbuilding and Special Structures, and Nonstructural Components
ABSTRACT
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.
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Information & Authors
Information
Published In
Structures Congress 2019: Bridges, Nonbuilding and Special Structures, and Nonstructural Components
Pages: 266 - 274
Editor: James Gregory Soules, McDermott International
ISBN (Online): 978-0-7844-8223-0
Copyright
© 2019 American Society of Civil Engineers.
History
Published online: Apr 22, 2019
Published in print: Apr 22, 2019
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