Chapter
Jun 2, 2014
Simulation Modeling of Dynamic Response of Vehicles to Different Types of Speed Control Humps
Authors: Ali Abdi Kordani [email protected], Amirarsalan Mehrara Molan [email protected], Saeed Monajjem [email protected], and Eazaz Sadeghvaziri [email protected]Author Affiliations
Publication: T&DI Congress 2014: Planes, Trains, and Automobiles
Abstract
Speed humps are known as the most popular traffic calming devices, although they transfer upward acceleration and forces to the vehicle which traverses them. These forces cause serious damages on vehicles and effect on passenger's discomfort. The main purpose of this paper is to investigate the vehicle's dynamic response to different type of speed humps via dynamic simulation modeling. Vertical acceleration, vertical force, and suspension force (spring force) were considered in order to study the vehicle's dynamic respond on speed humps. Totally, 90 simulation tests were run on a sedan passenger car and a typical truck (loaded) for 9 different hump's profiles. According to the results, ramp's length has the most effect on the dynamic performance of flat topped humps. Parabolic profile 3.65*0.1 (height=3.65m, length=0.1m) has the worst dynamic performance between all of speed humps. Also, sinusoidal profile seems to be a proper option from the viewpoint of hump's efficiency. However, it acts more vertical acceleration on vehicles in compare to all of flat topped profiles.
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© 2014 American Society of Civil Engineers.
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Published online: Jun 2, 2014
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Assistant Professor, Department of Civil Engineering, Imam Khomeini International University, Qazvin, Iran.E-mail: [email protected]
Researcher, Young Researchers and Elites Club, Science and Research Branch, Islamic Azad University, Tehran, Iran.E-mail: [email protected]
Associate Professor, Department of Civil Engineering, K. N. Tossi University of Technology, Tehran, Iran. E-mail: [email protected]
PhD Student, Civil and Environmental Engineering Department (CEE), Florida International University, Miami, Florida, USA. P.O.BOX 33199. E-mail: [email protected]
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