ESTABLISHMENT OF MAINTENANCE THRESHOLDS

ETABLISSEMENT DE SEUILS D'ENTRETIEN

TO CONTINUE THE RESEARCH STARTED IN 1976 AND REORIENTATED IN 1978 WITH A VIEW (1) TO DRAFTING A GENERAL DOCUMENT DEALING WITH THE OVERALL MAINTENANCE PROBLEM (WHAT IS MAINTENANCE, WHY, WHEN AND HOW?), (2) TO DEVELOPING LOGICAL TECHNIQUES FOR STUDYING THE MAINTENANCE OF MODERN, NEW OR STRENGTHENED PAVEMENTS, (3) TO INVESTIGATING METHODS OF CLASSIFYING THE MOST FREQUENTLY USED STRUCTURES. POINT (1) OF THE RESEARCH IS CURRENTLY BEING STUDIED AND REMAINS TO BE COMPLETED IN 1979; POINT (2) IS TO BE UNDERTAKEN AND COMPLETED IN 1979; POINT (3) SHOULD BE INVESTIGATED WITH THE VARIOUS AVAILABLE MEANS.