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Vehicle-Barrier Tracking of a Scaled Crash Test for Roadside Barrier Design

Abstract : In this paper the tracking system used to perform a scaled vehicle-barrier crash test is reported. The scaled crash test was performed as part of a wider project aimed at designing a new safety barrier making use of natural building materials. The scaled crash test was designed and performed as a proof of concept of the new mass-based safety barriers and the study was composed of two parts: the scaling technique and of a series of performed scaled crash tests. The scaling method was used for 1) setting the scaled test impact velocity so that energy dissipation and momentum transferring, from the car to the barrier, can be reproduced and 2) predicting the acceleration, velocity and displacement values occurring in the full-scale impact from the results obtained in a scaled test. To achieve this goal the vehicle and barrier displacements were to be recorded together with the vehicle accelerations and angular velocities. These quantities were measured during the tests using acceleration sensors and a tracking system. The tracking system was composed of a high speed camera and a set of targets to measure the vehicle linear and angular velocities. A code was developed to extract the target velocities from the videos and the velocities obtained were then compared with those obtained integrating the accelerations provided by the sensors to check the reliability of the method.
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Submitted on : Tuesday, July 8, 2014 - 10:09:47 AM
Last modification on : Monday, November 13, 2017 - 1:20:01 PM
Long-term archiving on: : Wednesday, October 8, 2014 - 12:05:10 PM


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  • HAL Id : hal-01020417, version 1



Giuseppina Amato, Bidisha Ghosh, Ciaran Simms. Vehicle-Barrier Tracking of a Scaled Crash Test for Roadside Barrier Design. EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01020417⟩



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