SERVICE BEHAVIOUR OF ORTHOTROPIC SLABS

COMPORTEMENT EN SERVICE DES DALLES ORTHOTROPES

SEVERAL DISORDERS HAVE OCCURRED ON MOTORWAY BRIDGES OPENED TO TRAFFIC. IT IS ENVISAGED TO POSITION A SECTION (OR PART OF A SECTION) OF A MOTORWAY BRIDGE ON THE CIRCULAR TEST TRACK OF THE LPC LABORATORY IN NANTES WITH A VIEW TO STUDYING ITS BEHAVIOUR UNDER SIMULATED TRAFFIC AND TO ANALYZING THE LOCALIZATION AND CAUSES OF THE EVENTUAL DISORDERS. IN 1979 IT IS PLANNED TO MODIFY THE MOTORWAY BRIDGE IN LILLE AND, EVENTUALLY, ITS STRENGTHENING.