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_qREGG GREGG IN SITU, INC. <br /> s■� Geotechnical and Environmental In Situ Testing Contractors <br /> THE PIEZO CONE PENETROMETER <br /> The electrical piezocone (CPTU) is the <br /> premier soil logging tool The CPTU prmAdes <br /> a rapid, reliable and economic means of <br /> determining soil stratigraphy, relative density, <br /> strength and equilibrium groundwater <br /> pressures <br /> Gregg In Situ offers a choice of 2 5, 5, 10 and <br /> Y 15 ton tip (Qc) capacity cones Our cones <br /> °x also have variable capacity friction sleeves <br /> (Fs) and pore pressure (U) The pore <br /> Triaxial Geophones pressure can be measured at one of 2 <br /> or Accelerometer ,7 locations, either on the face of the cone tip or <br /> (VP s vs) behind the cone tip Pore pressure <br /> 4 dissipation data is recorded automatically <br /> $ All data is displayed in real time at the ground <br /> Inclinometer(1) surface, facilitating the on site decision <br /> `V making process Field data reduction, plotting <br /> Thermistor(T) and CPT interpretation can be carried out <br /> upon request <br /> Friction Sleeve(Fs) <br /> Load Cells <br /> d�ks <br /> S A l <br /> i Pore Pressure <br /> Porous Filter Transducer(U) <br /> Element <br /> Cone Tip(Qc) <br /> 1 f I <br /> EGGGeotechnical and Environmental In Situ Testing Contractors <br /> Los Angeles San Francisco Houston • Aiken <br /> Vancouver • Edmonton Salt Lake City • New Jersey <br /> �_ <br /> Tel (925)313-5800 Fax (925)313-0302 E-mail gregg@eds Com <br />