The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study

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TRAJKOVSKI, Jovan ;AMBROŽ, Miha ;KUNC, Robert .
The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 64, n.12, p. 753-762, november 2018. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/the-importance-of-friction-coefficient-between-vehicle-tyres-and-concrete-safety-barrier-to-vehicle-rollover-fe-analysis-study/>. Date accessed: 09 apr. 2020. 
doi:http://dx.doi.org/10.5545/sv-jme.2018.5290.
Trajkovski, J., Ambrož, M., & Kunc, R.
(2018).
The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study.
Strojniški vestnik - Journal of Mechanical Engineering, 64(12), 753-762.
doi:http://dx.doi.org/10.5545/sv-jme.2018.5290
@article{sv-jmesv-jme.2018.5290,
	author = {Jovan  Trajkovski and Miha  Ambrož and Robert  Kunc},
	title = {The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {64},
	number = {12},
	year = {2018},
	keywords = {concrete safety barrier, rollover, friction, simulation, finite element method},
	abstract = {The most important mechanical factors in an impact scenario of a vehicle into a concrete safety barrier are vehicle speed, the impact angle, the static stability factor of the vehicle as well as the concrete safety barrier design and conditions. Concrete safety barriers (CSB) are primarily designed to minimize vehicle damage by allowing the vehicle to be lifted when riding up on the lower slope and then redirected back on to the road. In some cases, though, the vehicle-CSB contact might end up with a rollover often with fatal consequences. To reduce the rollover risk, different concrete barrier shapes were designed in the past while omitting the importance of the friction coefficient between the tyre and barrier. Therefore, the aim of this paper is to research and emphasize the importance of the friction coefficient between the vehicle tyres and the CSB in rollover accidents. For that purpose, a series of Finite Element analyses were performed using different values of the friction coefficient between the vehicle tyres and the CSB. Experimental measurements of the coefficient of friction between the rubber and CSB blocks of different surface were additionally performed in dry and wet conditions in order to examine the real onsite friction characteristics. The results show that the coefficient of friction can have a crucial impact in vehicle rollover scenarios and should therefore be kept as low as possible by the concrete safety barriers manufacturers and maintainers.},
	issn = {0039-2480},	pages = {753-762},	doi = {10.5545/sv-jme.2018.5290},
	url = {https://www.sv-jme.eu/article/the-importance-of-friction-coefficient-between-vehicle-tyres-and-concrete-safety-barrier-to-vehicle-rollover-fe-analysis-study/}
}
Trajkovski, J.,Ambrož, M.,Kunc, R.
2018 November 64. The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 64:12
%A Trajkovski, Jovan 
%A Ambrož, Miha 
%A Kunc, Robert 
%D 2018
%T The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study
%B 2018
%9 concrete safety barrier, rollover, friction, simulation, finite element method
%! The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study
%K concrete safety barrier, rollover, friction, simulation, finite element method
%X The most important mechanical factors in an impact scenario of a vehicle into a concrete safety barrier are vehicle speed, the impact angle, the static stability factor of the vehicle as well as the concrete safety barrier design and conditions. Concrete safety barriers (CSB) are primarily designed to minimize vehicle damage by allowing the vehicle to be lifted when riding up on the lower slope and then redirected back on to the road. In some cases, though, the vehicle-CSB contact might end up with a rollover often with fatal consequences. To reduce the rollover risk, different concrete barrier shapes were designed in the past while omitting the importance of the friction coefficient between the tyre and barrier. Therefore, the aim of this paper is to research and emphasize the importance of the friction coefficient between the vehicle tyres and the CSB in rollover accidents. For that purpose, a series of Finite Element analyses were performed using different values of the friction coefficient between the vehicle tyres and the CSB. Experimental measurements of the coefficient of friction between the rubber and CSB blocks of different surface were additionally performed in dry and wet conditions in order to examine the real onsite friction characteristics. The results show that the coefficient of friction can have a crucial impact in vehicle rollover scenarios and should therefore be kept as low as possible by the concrete safety barriers manufacturers and maintainers.
%U https://www.sv-jme.eu/article/the-importance-of-friction-coefficient-between-vehicle-tyres-and-concrete-safety-barrier-to-vehicle-rollover-fe-analysis-study/
%0 Journal Article
%R 10.5545/sv-jme.2018.5290
%& 753
%P 10
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 64
%N 12
%@ 0039-2480
%8 2018-11-16
%7 2018-11-16
Trajkovski, Jovan, Miha  Ambrož, & Robert  Kunc.
"The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study." Strojniški vestnik - Journal of Mechanical Engineering [Online], 64.12 (2018): 753-762. Web.  09 Apr. 2020
TY  - JOUR
AU  - Trajkovski, Jovan 
AU  - Ambrož, Miha 
AU  - Kunc, Robert 
PY  - 2018
TI  - The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2018.5290
KW  - concrete safety barrier, rollover, friction, simulation, finite element method
N2  - The most important mechanical factors in an impact scenario of a vehicle into a concrete safety barrier are vehicle speed, the impact angle, the static stability factor of the vehicle as well as the concrete safety barrier design and conditions. Concrete safety barriers (CSB) are primarily designed to minimize vehicle damage by allowing the vehicle to be lifted when riding up on the lower slope and then redirected back on to the road. In some cases, though, the vehicle-CSB contact might end up with a rollover often with fatal consequences. To reduce the rollover risk, different concrete barrier shapes were designed in the past while omitting the importance of the friction coefficient between the tyre and barrier. Therefore, the aim of this paper is to research and emphasize the importance of the friction coefficient between the vehicle tyres and the CSB in rollover accidents. For that purpose, a series of Finite Element analyses were performed using different values of the friction coefficient between the vehicle tyres and the CSB. Experimental measurements of the coefficient of friction between the rubber and CSB blocks of different surface were additionally performed in dry and wet conditions in order to examine the real onsite friction characteristics. The results show that the coefficient of friction can have a crucial impact in vehicle rollover scenarios and should therefore be kept as low as possible by the concrete safety barriers manufacturers and maintainers.
UR  - https://www.sv-jme.eu/article/the-importance-of-friction-coefficient-between-vehicle-tyres-and-concrete-safety-barrier-to-vehicle-rollover-fe-analysis-study/
@article{{sv-jme}{sv-jme.2018.5290},
	author = {Trajkovski, J., Ambrož, M., Kunc, R.},
	title = {The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {64},
	number = {12},
	year = {2018},
	doi = {10.5545/sv-jme.2018.5290},
	url = {https://www.sv-jme.eu/article/the-importance-of-friction-coefficient-between-vehicle-tyres-and-concrete-safety-barrier-to-vehicle-rollover-fe-analysis-study/}
}
TY  - JOUR
AU  - Trajkovski, Jovan 
AU  - Ambrož, Miha 
AU  - Kunc, Robert 
PY  - 2018/11/16
TI  - The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 64, No 12 (2018): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2018.5290
KW  - concrete safety barrier, rollover, friction, simulation, finite element method
N2  - The most important mechanical factors in an impact scenario of a vehicle into a concrete safety barrier are vehicle speed, the impact angle, the static stability factor of the vehicle as well as the concrete safety barrier design and conditions. Concrete safety barriers (CSB) are primarily designed to minimize vehicle damage by allowing the vehicle to be lifted when riding up on the lower slope and then redirected back on to the road. In some cases, though, the vehicle-CSB contact might end up with a rollover often with fatal consequences. To reduce the rollover risk, different concrete barrier shapes were designed in the past while omitting the importance of the friction coefficient between the tyre and barrier. Therefore, the aim of this paper is to research and emphasize the importance of the friction coefficient between the vehicle tyres and the CSB in rollover accidents. For that purpose, a series of Finite Element analyses were performed using different values of the friction coefficient between the vehicle tyres and the CSB. Experimental measurements of the coefficient of friction between the rubber and CSB blocks of different surface were additionally performed in dry and wet conditions in order to examine the real onsite friction characteristics. The results show that the coefficient of friction can have a crucial impact in vehicle rollover scenarios and should therefore be kept as low as possible by the concrete safety barriers manufacturers and maintainers.
UR  - https://www.sv-jme.eu/article/the-importance-of-friction-coefficient-between-vehicle-tyres-and-concrete-safety-barrier-to-vehicle-rollover-fe-analysis-study/
Trajkovski, Jovan, Ambrož, Miha, AND Kunc, Robert.
"The Importance of Friction Coefficient between Vehicle Tyres and Concrete Safety Barrier to Vehicle Rollover – FE Analysis Study" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 64 Number 12 (16 November 2018)

Authors

Affiliations

  • University of Ljubljana, Faculty of Mechanical Engineering,Slovenia 1

Paper's information

Strojniški vestnik - Journal of Mechanical Engineering 64(2018)12, 753-762

https://doi.org/10.5545/sv-jme.2018.5290

The most important mechanical factors in an impact scenario of a vehicle into a concrete safety barrier are vehicle speed, the impact angle, the static stability factor of the vehicle as well as the concrete safety barrier design and conditions. Concrete safety barriers (CSB) are primarily designed to minimize vehicle damage by allowing the vehicle to be lifted when riding up on the lower slope and then redirected back on to the road. In some cases, though, the vehicle-CSB contact might end up with a rollover often with fatal consequences. To reduce the rollover risk, different concrete barrier shapes were designed in the past while omitting the importance of the friction coefficient between the tyre and barrier. Therefore, the aim of this paper is to research and emphasize the importance of the friction coefficient between the vehicle tyres and the CSB in rollover accidents. For that purpose, a series of Finite Element analyses were performed using different values of the friction coefficient between the vehicle tyres and the CSB. Experimental measurements of the coefficient of friction between the rubber and CSB blocks of different surface were additionally performed in dry and wet conditions in order to examine the real onsite friction characteristics. The results show that the coefficient of friction can have a crucial impact in vehicle rollover scenarios and should therefore be kept as low as possible by the concrete safety barriers manufacturers and maintainers.

concrete safety barrier, rollover, friction, simulation, finite element method