Alkali-silica reaction in the Netherlands: Experiences and current research

In 1992, the first structure with deleterious ASR was diagnosed in the Netherlands, followed by the publication of the first Dutch guideline on the prevention of ASR in 1994. Since, ASR has been demonstrated in 40 to 50 structures over the country. Development of ASR in a series of structures on a major Dutch motorway, built in the late sixties – early seventies of last century, has provoked new research and discussions, aiming at the revising of guidelines on ASR-prevention and development of guidelines dealing with ASR-affected structures. In the present paper, an overview is given of experiences with ASR in the Netherlands, and current research is introduced