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QREGG GREGG IN SITU, INC. <br /> L --I Geotechnical and Environmental In Situ Testing Contractors <br /> i <br /> 1 THE PIEZO CONE PENETROMETER <br /> The electrical piezocone (CPTU) is the <br /> premier soil logging tool The CPTU provides <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 /> 15 ton tip (Qc) capacity cones Our cones <br /> also have variable capacity friction sleeves <br /> (Fs) and pore pressure (U) The pore <br /> Tnaxial Geophones pressure can be measured at one of 2 <br /> or Accelerometer locations, either on the face of the cone tip or <br /> (vp&vs) behind the cone tip Pore pressure <br /> dissipation data Is recorded automatically <br /> l All data is displayed in real time at the ground <br /> Inclinometer(1) surface, facilitating the on site decision <br /> Thermistor(T} malting process Field data reduction, plotting <br /> f and CPT interpretation can be carried out <br /> upon request <br /> Friction Sleeve(Fs) <br /> Load Cells <br /> t <br /> r � � <br /> Pore Pressure <br /> Porous Filter 3 Transducer(U) <br /> Element <br />' Cone Tip(Qc) <br /> Geotechnical and Environmental In Situ Testing Contractors <br /> EGG <br /> Los Angeles San Francisco Houston - Aiken <br />' Vancouver - Edmonton - Salt Lake City - New Jersey <br /> 1 r <br /> Tel (925)313-5800 Fax (925)393-0302 E mafl greg O ecls com <br /> i <br /> 1 <br />