The selected problems of multi-layer pavements modelling in design and diagnostics

• Autorzy: Graczyk M. , Rafa J.
• Języki publikacji: EN

Abstrakty

EN

This paper will present selected problems connected with modelling of multi-layer pavements. Multi-layer pavement models, which utilize solutions such as the one of Boussinesq, Burmister, Kogan, Odemark and others, contain many simplifications, which bas a significant influence on the estimated real value of stress, strain, deflection as well as on the coefficient of pavement layers interaction. In the article based on the experiments carried out, we want to present our own layered-pavement models and solutions to them, which can be used mainly in the diagnostics of bearing capacity. The estimation of bearing capacity is conducted on the basis of full time data obtained with the FWD device. Moreover, the conclusions implicated by the above mentioned analysis are of big importance in design and operation process of road and airfield pavements. They pertain not only to the influence of modulus and thickness of particular layers but also to the way of pavement layers interaction, Poisson's coefficient, thermal characteristics and others.

Słowa kluczowe

EN

multi-layer; pavement; modelling; dynamic impact; thermal impact

• 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: 2007
• Tom: Vol. 14, No. 1
• Strony: 209--218
• Opis fizyczny: Bibliogr. 9 poz., rys.

Twórcy

autor

Graczyk M.

autor

Rafa J.

• Road and Bridge Research Institute str. Jagiellońska 80, 03-301 Warszawa, Poland,

Bibliografia

• [1]  Burmister, D. M., The general theory ofstresses and displacements in layeredsystems, Journal of Applied Physics Vol. 16 No. l January, 1945.
• [2]  Collective work, The chosen questions of theory the elasticity and thermo elasticity, PAN, Warsaw, Poland, 1970.
• [3]  Fung, Y. C., Basis of mechanics of solid body, PWN, Warsaw, Poland, 1969.
• [4]  Graczyk, M., Rafa, J., Analysis of influence of moving load on layered pavement taking into account kinematics and wave limit conditions, VIII International Conference Durable And Safety Road Pavements, Kielce, Poland, 2001.
• [5]  Graczyk, M., Mechowski, T., Sudyka, J., Chomicki, M., Rafa, J., Method of Estimation of Bearing Capacity of Multi-Layer Pavements with Application of Quasi- Stalic Tests, 6th International Conference on the Bearing Capacity of Roads and Airfields, Lisbon, Portugal, Swets & Zeitlinger, Lisse, ISBN 90 5809 396 4, 2002.
• [6]  Graczyk, M., Rafa, J., The structural model of pavement for analysis of wave phenomena in quasidynamic formulation, Drogi i Mosty, Nr l, Warsaw, Poland, 2002.
• [7]  Graczyk, M., Rafa, J., Modification of Method of Estimation of Bearing Capacity of Multi-Layer Pavements. IBDiM Warsaw, Poland, 2002.
• [8]  Graczyk, M., Rafa, J., Selected dynamic and thermal influence aspects in structural design and diagnostic of multi-layer pavement, X International Conference Durable And Safety Road Pavements, Kielce, Poland, 2004.
• [9]  Moon, P., Spencer, D. E., Field theory for engineers, D. Van Nostrand Company, Princeton USA, 1961.