PRESSIOMETER TESTS AND PROCESSING OF TEST RESULTS

LES ESSAIS PRESSIOMETRIQUES ET L'EXPLOITATION DE LEURS RESULTATS

THIS RESEARCH PROJECT EXPLAINS THE PRINCIPLE OF THE PRESSIOMETER TEST, AND LISTS AND DESCRIBES THE EQUIPMENT REQUIRED. DETAILS ARE GIVEN OF THE TEST PROCEDURES AND OF THE INSTALLATION OF THE PROBE BY PRELIMINARY DRILLING, BY DRIVING, BY VIBRATORY DRIVING OR JACKING OR BY SELF-DRILLING. THE EXECUTION OF THE TEST IS DESCRIBED TOGETHER WITH THE PROCESSING OF THE TEST RESULTS. THE PROCESSING CAN TAKE THE FORM OF A DIRECT PRESSIOMETER CURVE OR AN INVERTED PRESSIOMETER CURVE, OR THE RELATIVE VOLUME METHOD CAN BE USED. THE PRESSIOMETER TEST RESULTS WILL BE USED TO DETERMINE THE MAXIMUM PERMISSIBLE LOAD TO WHICH THE SUBGRADE CAN BE SUBJECTED, THE BEARING CAPACITY AND SETTLEMENT OF A SHALLOW OR DEEP FOUNDATION. THERE ARE OTHER FIELDS IN WHICH THE RESULTS CAN BE APPLIED. AN ATTEMPT WILL BE MADE TO ESTABLISH SOME CORRELATIONS.