摘要: |
DURING THE LAST FEW YEARS, DIFFERENT LABORATORIES HAVE CONDUCTED BIBLIOGRAPHIC STUDIES AND INVENTORIES OF BY-PRODUCTS. THIS RESEARCH IS A CONTINUATION OF THIS WORK AND AIMS AT FINDING THE PRODUCTS WHICH CAN BE USED IN ROAD CONSTRUCTION (EARTHWORKS, ROADBASES AND CONCRETE). THE METHODS USED, INVENTORY AND BIBLIOGRAPHY, SHOULD FACILITATE THE SELECTION OF THE MOST INTERESTING PRODUCTS WHICH WILL THEN BE CHARACTERIZED BY THEIR PHYSICO-CHEMICAL COMPOSITION AND THEIR MAIN PROPERTIES. IN 1979 IT IS ENVISAGED: TO CONTINUE THE INVENTORY OF BY-PRODUCTS FROM THE REGIONS OF ILE-DE-FRANCE, AUVENGNE-LIMOUSIN AND ALSACE, AND TO MAKE A RAPID CHARACTERIZATION OF THESE BY-PRODUCTS; TO START A ROUGH INVENTORY OF BY-PRODUCTS FOR THE REGIONS OF AQUITAINE AND RHONE-ALPES; TO CONTINUE A BIBLIOGRAPHIC STUDY OF THE CHARACTERISTICS REQUIRED OF BY-PRODUCTS WITH A VIEW TO THEIR BEING UTILIZED AS INGREDIENTS OF CONCRETE, THE LATTER HAVING CHARACTERISTICS VARYING ACCORDING TO THEIR USE; TO CONTINUE THE SETTING UP OF AN INDEX FILE ON THE BY-PRODUCTS INVENTORIED. THIS RESEARCH PROJECT PARTLY SUPERSEDES IRRD RESEARCH PROJECT NO 500419. |