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Budownictwo i Inżynieria Środowiska

Budownictwo i Inżynieria Środowiska
2017.56, DOI: 10.7862/rb.2017.56

EXPERIMENTAL VERIFICATION OF SIMULATION OF TB32 CRASH TEST FOR SP-05/2 ROAD SAFETY BARRIER ON HORIZONTAL CONCAVE ARC

Marian KLASZTORNY, Karol ZIELONKA, Daniel B. NYCZ, Pawel POSUNIAK

DOI: 10.7862/rb.2017.56

Abstract

The study concerns a selected road safety barrier consisting of a B-type guiderail, Sigma-100 posts with 2.00 m spacing, and supporting elements of a trapezoid cross section, located between the posts and the guiderail. The barrier is formed on a horizontal concave arc having a radius of 150 m. The full-scale experimental TB32 crash test was carried out for a vehicle impacting at the angle of 20°, on the testing grounds of the Automotive Industry Institute, Warsaw, Poland. The numerical modelling and simulation methodology of a barrier – vehicle system, recently developed by the authors is applied. Simulation of the above test was performed using LS-Dyna v.971 finite element code, while maintaining the conditions of the experimental test. All the functionality parameters for the barrier are studied, among others, ASI, THIV, working width, vehicle motion trajectory in the exit box. The results of the simulation tests were compared with those of the full-scale experimental test. The experimental verification of the numerical modelling and simulation of the selected crash test is rated positively. It was proven, both numerically and experimentally, that the TB32 crash test does not meet the condition imposed on the vehicle motion trajectory in the exit box.

Full text (pdf)

References

[1]  PN EN 1317-1:2010, Road restraint systems – Part 1: Terminology and general criteria for test methods (in Polish), 2010.

[2]  PN EN 1317-2:2010, Road restraint systems – Part 2: Performance classes, impact test acceptance criteria and test methods for safety barriers including vehicle parapets (in Polish), 2010.

[3]  PN-EN 1317-5+A2:2012. Road restraint systems – Part 5: Product requirements and evaluation of conformity for vehicle restraint systems (in Polish), 2012.

[4]  Nycz D.B., Modelling and numerical research of crash tests for barrier of N2-W4-A category on road bends (in Polish), Ph.D. thesis, Military Univ. Technol. Press, Warsaw, Poland, 2015.

[5]  Klasztorny M., Nycz D.B., Szurgott P.: Modelling and Simulation of Crash Tests of N2-W4-A Category Safety Road Barrier in Horizontal Concave Arc, Int. Journal of Crashworthiness, vol. 21, no. 6, 2016, pp. 644-659.

[6]  Manual for Assessing Safety Hardware. The American Association of State Highway and Transportation Officials, 2009, http://books.google.pl/books?id= LV0mSYE9-S0C&printsec=frontcover&hl=pl& source=gbs_ge_summary_r&cad =0#v=onepage& q&f=false, uploaded 2014-09-18.

[7]  Vehicle models, National Crash Analysis Center, USA, http://www.ncac.gwu.edu/ vml/models.html, uploaded 2014-09-18.

[8]  Hallquist J. O., LS-DYNA Keyword User’s Manual, Livermore Software Technology Corp., Livermore, CA, USA, May 2007.

[9]  System N2–W4–A (SP-05/2), Stalprodukt S.A., Bochnia, Poland, 2011.

About this Article

TITLE:
EXPERIMENTAL VERIFICATION OF SIMULATION OF TB32 CRASH TEST FOR SP-05/2 ROAD SAFETY BARRIER ON HORIZONTAL CONCAVE ARC

AUTHORS:
Marian KLASZTORNY (1)
Karol ZIELONKA (2)
Daniel B. NYCZ (3)
Pawel POSUNIAK (4)

AUTHORS AFFILIATIONS:
(1) Military University of Technology, Warsaw, Poland
(2) Automotive Industry Institute, Warsaw, Poland
(3) State Vocational Academy, Sanok, Poland
(4) Automotive Industry Institute, Warsaw, Poland

JOURNAL:
Budownictwo i Inżynieria Środowiska
2017.56

KEY WORDS AND PHRASES:
road safety barrier on horizontal concave arc, simulation crash test, experimental crash test, experimental verification of modelling and simulation

FULL TEXT:
http://doi.prz.edu.pl/pl/pdf/biis/821

DOI:
10.7862/rb.2017.56

URL:
http://dx.doi.org/10.7862/rb.2017.56

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