Performance of new-generation portable water-filled road safety barriers under vehicular impact
Thiyahuddin, Mohd I., Thambiratnam, David P., & Gu, YuanTong (2014) Performance of new-generation portable water-filled road safety barriers under vehicular impact. In Haddad, Yehia (Ed.) AES-ATEMA’2014 Seventeen International Conference on Advances and Trends in Engineering Materials and their Applications, 16-20 June 2014, Montreal, Canada.
Portable water-filled barriers (PWFB) are roadside structures used to enhance safety at roadside work-zones. Ideally, a PWFB system is expected to protect persons and objects behind it and redirect the errant vehicle. The performance criteria of a road safety barrier system are (i) redirection of the vehicle after impact and (ii) lateral deflection within allowable limits. Since its inception, the PWFB has received criticism due to its underperformance compared to the heavier portable concrete barrier. A new generation composite high energy absorbing road safety barrier was recently developed by the authors.
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