Mechanical behaviour of an innovative roadside barrier consisting of corrugated plates and ultra-high strength tube under impact loading

Mohammad Nassirnia, Zhiwei Xu, Parisa Shadan, Amin Heidarpour Esfarjani, Xiao Ling Zhao

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Abstract

Roadside safety barriers when struck by an errant vehicle should
redirect the vehicle away from the hazard within a narrow angle so that it follows the line of the barrier while at the same time does not gyrate, overturn or result in any significant damage to the impacting vehicle, or subject the occupants to life- threatening decelerations. This paper investigates the performance of the innovative roadside barriers consisting of Grade 250 mild-steel corrugated plates and Grade 1200 ultra-high strength steel tubes under impact load. Drop weight tests producing impact energy equal to 4.7kJ are conducted on small scale of the proposed barriers to explore the impact force and deflection history responses. The load is transferred through a cone-shape indenter. Barriers consisting of mild-steel flat plates (Grade 250) and high strength (Grade 800) or mild-steel (Grade 350) tubes are also tested as control specimens and the results are compared with those obtained from the tests on corrugated ultra-high strength barriers. The experimental results demonstrate the superior mechanical behaviour of the proposed barriers.
Original languageEnglish
Title of host publicationAnalysis and Practice of Protective Structures
Subtitle of host publicationProceedings of the 4th International Conference on Protective Structures (ICPS4-2016), Beijing, China, 18-21 October 2016
EditorsZhong-Xian Li, Hong Hao, Xiuli Du, Chengqing Wu
PublisherTianjin Chengjian University & Tianjin University
Pages519-528
Number of pages10
Publication statusPublished - 2016
EventInternational Conference on Protective Structures (ICPS 2016) - Beijing, China
Duration: 18 Oct 201621 Oct 2016
Conference number: 4th
https://www.aconf.org/conf_67645.4th_International_Conference_on_Protective_Structures_(ICPS4).html
http://www.globaleventslist.elsevier.com/events/2016/10/international-conference-of-protective-structures-icps/

Conference

ConferenceInternational Conference on Protective Structures (ICPS 2016)
Abbreviated titleICPS 2016
CountryChina
CityBeijing
Period18/10/1621/10/16
Internet address

Keywords

  • Corrugated plates
  • Innovative roadside barriers
  • Protective structures
  • Drop weight impact test
  • Ultra-high strength steel tube

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