ABSTRACT

Economic aspects of recycling of concrete have been analysed by Frondistou-Yannas (44, 45, 50) for what concerns the United States, by CUR (11) for what concerns the Netherlands, and by Drees (95) for the Federal Republic of Germany. The following conclusions can be drawn on the basis of these three studies:

Conditions which are conducive to successful operation of recycled aggregate plants include:

1. Abundant and constant supply of demolition rubble 2. High dumping costs for demolition rubble 3. Easy access for heavy trucks 4. Suitable industrial land available, preferably next to a sanitary land fill. 5. Inaccessibility or scarcity, and therefore high cost of good quality natural sand and gravel

or crushed stone. 6. Ready market for products.