Samenvatting
The B13 working group of the Stichting Centrum voor Regelgeving en Onderzoek in de Grond-, Water- en Wegenbouw en de Verkeerstechniek C.R.O.W, which concentrates specifically on the maintenance of porous asphalt concrete, has carried out a number of experiments with reparation techniques for cracks, holes and local damage. This paper describes the various techniques.