Abstract:
RESULTS ARE REPORTED FOR 90 COMPACTION RUNS ON SIX TYPICAL A-2 SOILS, ONE PLASTIC AND ONE FRIABLE FROM EACH OF THREE STATES, ALABANA, NORTH CAROLINA, AND VIRGINIA. RUNS WERE MADE USING 0, 0.5, 1, 2, AND 3 PERCENT OF CALCIUM CHLORIDE ADMIXTURE. COMPACTIVE EFFORTS USED WERE 6-IN. DROP WITH THE STANDARD HAMMER, 12-IN. DROP WITH THE STANDARD HAMMER, AND 18-IN. DROP WITH THE 10-LB. HAMMER. OTHER DETAILS OF THE PROCEDURE WERE HELD CONSTANT. THE PROCTOR MOLD WAS USED AND PLASTICITY NEEDLE READINGS WERE TAKEN. THE RESULTS INDICATED THAT A SUBSTANTIAL SAVING IN COMPACTIVE EFFORT REQUIRED TO OBTAIN A SPECIFIED DENSITY IS EFFECTED BY THE ADDITION OF CALCIUM CHLORIDE. FOR SOME SOILS, THE MAXIMUM DENSITY OBTAINED WITHOUT ADMIXTURE WAS REPRODUCED WITH ABOUT 50 PERCENT OF THE COMPACTIVE EFFORT WHEN 3 PERCENT OF ADMIXTURE WAS USED. PENETRATION CURVES INDICATED A NOTICEABLE INCREASE IN WORKABILITY WITH SUCCESSIVE ADDITIONS OF THE CHEMICAL. /AUTHOR/
Supplemental Notes:
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