ABSTRACT
In particular, the author is indebted to Dr. Stamatis Frondistou-Yannas of Newton, Massachusetts, for her contribution to Section 14 on economic aspects of concrete recycling, to Mr. Gordon K. Ray, Concrete Pavement Consultant, Arlington Heights, Illinois, and Mr. Alan D. Buck, Research Geologist, US Army Engineering Waterways Experiment Station, Vicksburg, Mississippi, for keeping me informed about developments in the United States; to Dr. Ch. F. Hendriks of Rijkswaterstaat, Delft, The Netherlands, for his assistance with Dutch documents, and to Professor Y. Kasai of Nihon University, Japan for valuable material from Japan which he and his co-workers have reviewed and translated in order to facilitate preparation of this state-of-the-art report.
