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PÉNÉTROMÈTRE STATIQUE ET PROCÉDÉ DE MESURE ASSOCIÉ
The invention concerns a penetrometer (100) for static mode measurement of the penetration resistance of a soil, comprising: • at least one central rod (1) terminated at a first end by a measurement tip (11); • at least one hollow tube (2) surrounding the central rod (1), the latter being able to slide inside the hollow tube (2); • a measurement cell (3) in contact with the hollow tube (2), for transmitting a force applied by support means, in such a way as to cause a driving into the soil of the hollow tube (2) and of the central rod (1). The penetrometer (100) further comprises: • a calibrated compressible device (6) providing a resilient connection between the measurement cell (3) and a second end (12) of the central rod (1); • a movement sensor (7) capable of measuring the length of the calibrated compressible device (6); and • additional driving-in means (8) capable of applying a vibration to the hollow tube (2) at a determined frequency.
PÉNÉTROMÈTRE STATIQUE ET PROCÉDÉ DE MESURE ASSOCIÉ
The invention concerns a penetrometer (100) for static mode measurement of the penetration resistance of a soil, comprising: • at least one central rod (1) terminated at a first end by a measurement tip (11); • at least one hollow tube (2) surrounding the central rod (1), the latter being able to slide inside the hollow tube (2); • a measurement cell (3) in contact with the hollow tube (2), for transmitting a force applied by support means, in such a way as to cause a driving into the soil of the hollow tube (2) and of the central rod (1). The penetrometer (100) further comprises: • a calibrated compressible device (6) providing a resilient connection between the measurement cell (3) and a second end (12) of the central rod (1); • a movement sensor (7) capable of measuring the length of the calibrated compressible device (6); and • additional driving-in means (8) capable of applying a vibration to the hollow tube (2) at a determined frequency.
PÉNÉTROMÈTRE STATIQUE ET PROCÉDÉ DE MESURE ASSOCIÉ
STATIC PENETROMETER AND METHOD OF USE
STATISCHES PENETROMETER UND VERFAHREN ZUR VERWENDUNG
RIEGEL PIERRE (Autor:in)
19.10.2022
Patent
Elektronische Ressource
Französisch
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