DEVELOPMENT OF DYNAMIC FATIGUE FAILURE CRITERION.

Peter E. Sebaaly, Michael Mamlouk

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

When a truck wheel moves on the road, stress pulses develop within the pavement layers. These pulses are primarily functions of load magnitude, tire pressure, and vehicle speed. In this study, dynamic analysis is used to predict stresses and deflections that develop when a moving wheel load is applied. The method considers the inertial forces and assumes pulsating loads that accurately simulate actual wheel loading. The method is applied on AASHO road test sections to predict their theoretical response. The change of stresses and deflections at various loading times at different speeds is computed and verified versus actual field data. The evaluated pavement response is used to develop a fatigue failure criterion for a speed of 30 mph, which is the mean speed at the AASHO road test.

Original languageEnglish (US)
Pages (from-to)450-464
Number of pages15
JournalJournal of Transportation Engineering
Volume114
Issue number4
StatePublished - Jul 1988

Fingerprint

fatigue
Fatigue of materials
Wheels
road
Pavements
Tires
Dynamic analysis
Trucks

ASJC Scopus subject areas

  • Civil and Structural Engineering

Cite this

DEVELOPMENT OF DYNAMIC FATIGUE FAILURE CRITERION. / Sebaaly, Peter E.; Mamlouk, Michael.

In: Journal of Transportation Engineering, Vol. 114, No. 4, 07.1988, p. 450-464.

Research output: Contribution to journalArticle

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