USE OF EXPANDED CLAY AGGREGATE IN BITUMINOUS CONSTRUCTION

THIS PAPER SUMMARIZES THE PRELIMINARY LABORATORY INVESTIGATION MADE BY THE LOUISIANA DEPARTMENT OF HIGHWAYS AND DISCUSSES THE USE OF EXPANDED CLAY AGGREGATE IN SURFACE TREATMENT AND HOT-MIX-HOT-LAID ASPHALTIC CONCRETE WORK IN REGARD TO DESIGN, CONSTRUCTION QUANTITIES, AND PERFORMANCE DURING 3-1/2 YEARS. THE RESULTS ARE VERY FAVORABLE AND COMPARABLE AND BETTER ROADS CAN BE BUILT WITH THIS MATERIAL IN LOCALITIES WHERE OTHER MATERIALS ARE IN SHORT SUPPLY. /AUTHOR/