Impact behaviour of G2 steel weak-post W-beam guardrail on nonlevel terrain

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dc.authoridAtahan, Ali/0000-0002-4800-4022
dc.contributor.authorAtahan, AO
dc.date.accessioned2024-09-18T20:11:43Z
dc.date.available2024-09-18T20:11:43Z
dc.date.issued2003
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThe G2 steel weak-post W-beam guardrail system has been used along Turkish highways extensively. This system is characterised by larger dynamic deflections in a collision and is considered more forgiving compared to other stiffer barriers. The impact performance of the system is found to be satisfactory on a level terrain. However, in Turkey there are several locations where G2 systems are installed on the slope break point adjacent to steep roadside slopes, and the impact performance of G2 systems under these circumstances has never been investigated. In this study, the impact behaviour of G2 guardrail systems on nonlevel terrain is investigated. LS-DYNA, a dynamic, nonlinear, large deformation finite element analysis program is used to predict the crash performance of G2 systems installed adjacent to roadside slopes. A baseline simulation of the G2 system modelled on level ground is conducted, and the performance is compared with the results of a full-scale crash test. Results show good agreement. A series of G2 system models placed adjacent to 1:1, 2:1, 4:1, 6:1, 8:1, and 10:1 roadside slopes are then developed and the findings obtained from these simulations are compared. The results of the analysis substantiate the risk of vehicle instability when the roadside slope adjacent to the guardrail becomes steeper than 6:1 horizontal to vertical.en_US
dc.identifier.endpage223en_US
dc.identifier.issn1351-7848
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-0042363511en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage209en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12483/9034
dc.identifier.volume10en_US
dc.identifier.wosWOS:000185199500004en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherInderscience Enterprises Ltden_US
dc.relation.ispartofHeavy Vehicle Systems-International Journal of Vehicle Designen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectcomputer simulationen_US
dc.subjectfull-scale crash testen_US
dc.subjectroadside slopeen_US
dc.subjectTurkish road safetyen_US
dc.subjectvehicle instabilityen_US
dc.subjectweak-post W-beam guardrailen_US
dc.titleImpact behaviour of G2 steel weak-post W-beam guardrail on nonlevel terrainen_US
dc.typeArticleen_US

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