The mi-PW friction tester as an element of road surface skid resistance evaluation system at the traffic accident scene

• Autorzy: Luty W.
• Języki publikacji: EN

Abstrakty

EN

Conclusions regarding needs related with building of measurement device, used to road surface skid resistance evaluation in traffic accident scene, are presented in this paper. Review results of devices and testers used to road evaluation of road surface properties, which are responsible for tire-road grip coefficient, are presented. Methods of road surface skid resistance measurement have been evaluated, in the context of common use in the process of traffic accident scene description. In the case of portable devices there are generally indirect methods, using rubber specimen which is sliding on the road surface, under certain normal load. In such cases, the measurement results defined as friction coefficient can be correlated with a tire grip coefficient to the road surface. There has been shown that it is necessary to develop methods and technical means of road surface skid resistance evaluation, which ensure an increase a results reliability of road accidents reconstruction process. Assumption for building and design system of mi-PW tester, have been presented. Established device concept is based on the measurement of the rubber specimen friction coefficient to the road surface. During the measuring the specimen normal load is fixed and motion speed is controlled. Features of tester and possible modes of measure, have been shown. An important feature of the tester is the possibility of transfer measurement results to a computer in order to prepare of test report, as an annex to the Police report of the vehicle inspection, used by the police in the procedure of traffic accident scene describing.

Słowa kluczowe

EN

road accident reconstruction; frictional resistance of road surface; traffic accident place documentation; friction tester

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2011
• Tom: Vol. 18, No. 1
• Strony: 333--342
• Opis fizyczny: Bibliogr. 13 poz., rys.

Twórcy

autor

Luty W.

• Warsaw University of Technology, Faculty of Transport Koszykowa 75, 00-662 Warsaw, Poland tel.: [phone]

Bibliografia

• [1] Luty, W., Prawno-techniczne aspekty oceny przyczepności nawierzchni drogi w miejscu zdarzenia drogowego, Logistyka 4/2010.
• [2] Luty, W., Wieczorek, M., Wpływ wybranych własności gumy bieżnika na jej przyczepność do nawierzchni drogi, Zeszyty Naukowe Instytutu Pojazdów Politechniki Warszawskiej 1(77)/2010.
• [3] http://www.ibdim.edu.pl/
• [4] http://www.highwaysmaintenance.com/skidtext.htm
• [5] PN-EN13036-4:2004(U), Drogi samochodowe i lotniskowe - Metody badań - Część 4: Metoda pomiaru oporów poślizgu/poślizgnięcia na powierzchni: próba wahadła.
• [6] Portable skid resistance tester, http://www.mastrad.com/pendul.htm
• [7] http://www.vti.se
• [8] http://www.brakerbox.com
• [9] Navin, F., Drag sled and automobile skidding, an analytical relationship, by University of British Columbia President, SYNECTICS RSR Corp. Vancouver, USA SPECIAL PROBLEMS 2009 Orlando, Florida, April 2009.
• [10] Bartlett, W., Baxter, A., Schmidt, B., Stanard, T., Wright W., Comparison of drag-sled and skidding-vehicle drag factors on dry roadways, SAE Technical paper series 2006-01-1398.
• [11] http://www.wessextestequipment.co.uk/Products/Tortus.aspx
• [12] http://engtech.ca/projects/2004/drag_sled
• [13] http://dps.sd.gov