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Developing H4-safety barriers for Dutch motorways
Ministry of Transport, Works an Water Management, The Netherlands.
2001 (English)In: Proceedings of the conference Road Safety on Three Continents: International conference in Pretoria, South Africa, 20-22 September 2000 / [ed] Asp, Kenneth, Linköping: Statens väg- och transportforskningsinstitut, 2001, 81-91 p.Conference paper, (Other academic)
Abstract [en]

A heavy vehicle that crosses the central reserve of a motorway may cause a severe accident. After the occurrence of such accidents in the Netherlands, a discussion started about the containment level of safety barriers along motorways. This resulted in a project aimed at the development of safety barriers that meet the highest containment level, the H4-level in the European standard EN 1317-2. After an investigation of existing H4-safety barriers, new designs were made for a rigid steel barrier, a rigid concrete barrier and a flexible steel safety barrier. The rigid barriers are widened versions of existing Dutch barriers: barriers with the so-called 'STEP'-profile. The flexible steel H4-barrier is a fully new design. In cross-section the barrier has the shape of a triangle which stands on one of its angles. If a vehicle runs into it, the barrier will turn over to a certain extent and by doing so it absorbs part of the kinetic energy. The deceleration of a colliding car is expected to be much lower (=safer) compared to that in a collision with a rigid construction. The design of the H4-barriers was made in conjunction with impact tests and heavy vehicle simulations using the VEDYAC computer model. The simulations show that the present designs meet the H4-requirements.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2001. 81-91 p.
Series
VTI konferens, ISSN 1104-7267 ; 15A
Keyword [en]
Central reserve, Safety fence, Steel, Concrete, Design, Flexibility, Absorption, Energy, Movement, Deceleration, Simulation, Netherlands
National Category
Infrastructure Engineering
Research subject
30 Road: Highway design, 34 Road: Safety devices
Identifiers
URN: urn:nbn:se:vti:diva-4915OAI: oai:DiVA.org:vti-4915DiVA: diva2:673744
Conference
Road Safety Three Continents in Pretoria, South Africa, 20-22 September 2000
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2015-09-22Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf