| 摘要 |
An in situ device for soil investigation including a probe for inserting into and advancing into the ground, the probe including: at least one dilatometer presenting at least one expandable membrane, a chamber for fluid to be fed to the dilatometer and expand the membrane, a compression/pressure regulator unit connected to the chamber and dilatometer, to generate and/or regulate the fluid pressure, a control unit for the connector and the dilatometer, electrical powering unit to power the dilatometer, compression/pressure regulator unit, control unit, and a pressure measurement unit, unit for storing pressure values, measured by the measurement unit, for the fluid fed to said dilatometer. These components all housed within the probe. The probe being a closed body without connections to the outside for feeding pressurized fluid to the dilatometer and/or for feeding control signals for the device. The chamber being the only fluid feed source for the dilatometer.
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