Patent ID: 8776583
Filing Date: 2014-07-15
Classification: E02D

Abstract:
1. An in situ measurement device for soil investigation comprising a probe for inserting into and made to advance into ground, said probe comprising at least the following components: at least one dilatometer presenting at least one expandable membrane, a chamber for a fluid to be fed to said dilatometer and expand said membrane, fluid pressure regulator means connected to said chamber and to said dilatometer, to generate and/or regulate the pressure of said fluid as pressurized fluid, a measurement device control unit for controlling said fluid pressure regulator means and said dilatometer; electrical powering means to power at least said dilatometer, pressure regulator means, control unit, and pressure measurement means, memory means for storing at least one plurality of pressure values, measured by the pressure measurement means, for the fluid fed to said dilatometer, said components being all housed within said probe, said probe being a closed body without connections to the outside for feeding said pressurized fluid to said dilatometer and/or for feeding control signals for the device, said chamber being the only fluid feed source for said dilatometer.