REPAIR OF RIGID PAVEMENTS

REPARATION DES STRUCTURES DE CHAUSSEES EN BETON

THE OBJECT OF THE RESEARCH IS TO SET UP A METHODOLOGY FOR THE REPAIR OF RIGID PAVEMENTS. IN CONNECTION WITH THE RESEARCH PROJECT CODE NO. "1-01-03-6", IT ALSO AIMS AT REFINING METHODS OF QUICKLY EVALUATING THE EVOLUTION OF REPAIRED SECTIONS. A NUMBER OF METHODS ARE ENVISAGED, WHICH ARE BEING STUDIED (STRENGTHENING, FILLING, INJECTION UNDER SLAB, ETC.) OR WILL BE STUDIED (DRAINAGE, COUPLING, ETC.), IN CONNECTION WITH THE RESEARCH PROJECTS CODE NOS: "1-01-26-6" AND "1-31-22-6" IRRD NOS 500582 & 500646. THE AIM OF THE PROGRAMME FOR 1976 IS TO CHECK THE EFFICIENCY OF THESE METHODS, AMONG WHICH ARE THE FOLLOWING: (1) INSTALLATION OF DRAINAGE DEVICES IN THE EMERGENCY STOPPING LANE, (2) SLAB COUPLING (RENEWING OF DOWELS, FILLING, ETC.), (3) INJECTION UNDER SLAB, (4) STRENGTHENING METHODS.