ESTABLISHING NEW LAWS GOVERNING FATIGUE BEHAVIOUR

ELABORATION DE NOUVELLES LOIS DE COMPORTEMENT EN FATIGUE

TO DRAFT NEW LAWS FOR THE FATIGUE BEHAVIOUR OF BITUMINOUS MIXTURES BETTER ADAPTED TO PRESENT NEEDS, TAKING INTO ACCOUNT NEW TECHNIQUES AND THE PROGRESS ACHIEVED IN THE FIELD OF PAVEMENT MECHANICS. IN 1979 IT IS ENVISAGED: TO UPDATE PRESENT KNOWLEDGE OF MODULUS AND FATIGUE AND TO DRAFT SUMMARY REPORTS; TO DEFINE NEW TECHNIQUES OF LABORATORY STUDY AS A FUNCTION OF NEW REQUIREMENTS TAKING INTO ACCOUNT THE TECHNICAL AND SCIENTIFIC EVOLUTION IN THE FIELD OF FATIGUE; TO STUDY THE INFLUENCE OF TEMPERATURE ON DEFORMATIONS PERMISSIBLE IN FLEXURAL FATIGUE; TO DEVELOP A SHEAR FATIGUE MACHINE. THIS RESEARCH PROJECT REPLACES PART OF IRRD RESEARCH PROJECT NO 500256.