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Dynamic responses of connections in road safety barriers
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Bayton, D. A. F., Long, R. and Fourlaris, G. (2009) Dynamic responses of connections in road safety barriers. Materials & Design, Vol.30 (No.3). pp. 635-641. doi:10.1016/j.matdes.2008.05.048 ISSN 0264-1275.
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Official URL: http://dx.doi.org/10.1016/j.matdes.2008.05.048
Abstract
Bolted road safety barrier connections utilise slotted holes that are perpendicular to the direction of the safety barrier beam. Due to the clearance between the slotted holes and the bolts, a varying amount of slippage is seen before contact with the edge of the slot is made. The stiffness characteristics of bolted road safety barrier connections have been examined with a representative test coupon that incorporates a full size safety barrier connection slot to industry standard dimensions.
Previous research work has successfully determined the stiffness characteristics of the bolted connections at quasi-static strain rates. Representative non-linear finite element models of the bolted test coupons have been constructed. When compared to the laboratory results the initial stiffness, maximum force and displacement of the bolted connections are similar to the finite element model predictions.
Current investigations have moved onto strain rates comparable to those observed in actual vehicle crash tests. Explicit dynamic finite element(FE) models have been constructed and validated, using experimental data produced using a series of high strain rate laboratory tests fora number of bolt configurations. (C) 2008 Elsevier Ltd. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | Materials & Design | ||||
Publisher: | Elsevier Ltd | ||||
ISSN: | 0264-1275 | ||||
Official Date: | March 2009 | ||||
Dates: |
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Volume: | Vol.30 | ||||
Number: | No.3 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 635-641 | ||||
DOI: | 10.1016/j.matdes.2008.05.048 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
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