MODIFICATION OF THE CBR VALUE IN RELATION TO THE EXECUTION OF THE TEST AND AGE OF THE SAMPLE

VERAENDERUNG DES CBR-WERTES IN ABHAENGIGKEIT VON DER VERSUCHSDURCHFUEHRUNG UND VOM PROBENALTER

THE COMPARABILITY OF RESULTS OBTAINED FROM THE CBR TEST IS TO BE EXAMINED. THE AIM IS TO INDICATE THE DEPENDENCE OF THE RESULTS ON THE EXECUTION OF THE TEST WITH RESPECT TO THE SAMPLE TESTED, STORAGE TIME AFTER COMPACTION, IMMERSION IN WATER, SOIL MOISTURE CONTENT DURING COMPACTION, AND THE COMPACTION AND COMPACTING EFFORT. THE SERIES OF TESTS ARE TO BE CARRIED OUT ON THREE DIFFERENT SOIL TYPES. IN SITU CBR TESTS ARE TO BE CONDUCTED ON FILLS MADE OF THE SAME SOILS TO SUPPLEMENT THE LABORATORY TESTS.