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• WP <br /> GREGG IN SITU, INC. <br /> 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 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, 14 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 /> Triaxial Geophones pressure can be measured at one of 2 <br /> or Accelerometer locations, either on the face of the cone tip or <br /> (vp s�vs} behind the cone tip Pore pressure <br /> h dissipation data is recorded automatically <br /> ;�7 f All data is displayed in real time at the ground <br /> Inclinometer(l) surface, facilitating the on site decision <br /> Thermistor(T) making process Feld data reduction, plotting <br /> and CPT interpretation can be carried out <br /> upon request <br /> Fnchon Sleeve(FS) <br /> .yr <br /> Load Cells <br /> 'A <br /> h <br /> Pore Pressure <br /> Porous Filter Transducer(U) <br /> Element <br /> Cone Tip(cc) <br /> EGGGeotechnical and Environmental In Situ Testing Contractors <br /> Los Angeles • San Francisco Houston Aiken <br /> Vancouver Edmonton Salt Lake City New Jersey <br /> Tel (925)373-5800 Fax (925)313-0302 E-mail gregg@ecrs com <br />