Experimental and numerical study of water-filled road safety barriers

Thiyahuddin, Izzat, Gu, YuanTong, & Thambiratnam, David P. (2013) Experimental and numerical study of water-filled road safety barriers. In 1st Australasian Conference on Computational Mechanics (ACCM2013), 3-4 October 2013, University of Sydney, Sydney, Australia. (In Press)

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Abstract

Portable water-filled road barriers (PWFB) are roadside structures placed on temporary construction zones to separate work site from moving traffic. Recent changes in governing standards require PWFB to adhere to strict compliance in terms of lateral displacement of the road barriers and vehicle redirectionality. Actual road safety barrier test can be very costly, thus researchers resort to Finite Element Analysis (FEA) in the initial designs phase prior to real vehicle test. There has been many research conducted on concrete barriers and flexible steel barriers using FEA, however not many is done pertaining to PWFB. This research probes a new method to model joint mechanism in PWFB. Two methods to model the joining mechanism are presented and discussed in relation to its practicality and accuracy to real work applications. Moreover, the study of the physical gap and mass of the barrier was investigated. Outcome from this research will benefit PWFB research and allow road barrier designers better knowledge in developing the next generation of road safety structures.

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ID Code: 63394
Item Type: Conference Paper
Refereed: Yes
Additional Information: All accepted papers will be peer reviewed to the Australian Research Council standard and will be published in a special issue in Applied Mechanics and Materials (ISSN: 1660-9336).
Additional URLs:
Keywords: road safety barriers, impact, joint mechanism, FEA, fasteners
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > AUTOMOTIVE ENGINEERING (090200) > Automotive Safety Engineering (090204)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Solid Mechanics (091308)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Mechanical Engineering not elsewhere classified (091399)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Schools > School of Civil Engineering & Built Environment
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 Please consult the authors
Deposited On: 05 Nov 2013 00:04
Last Modified: 06 Nov 2013 16:45

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