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r <br /> EGG <br /> GREGG IN SITU, INC. <br />' Geotechnical and Environmental M Situ Testing Contractors <br /> THE PIEZO CONE PENETROMETER <br /> The electricalCPTU iezocone is the <br /> p { ) <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 /> Tnaxiai 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 /> a <br /> All data Is displayed in real time at the ground <br /> inclinometer(i) surface, facilitating the on site decision <br /> making process Feld data reduction, plotting <br /> Thermistor(T) and CPT Interpretation can be carred out <br /> upon request <br /> Friction Sleeve(Fs) <br /> Load Cells <br /> Pore Pressure <br /> Porous Riter Transducer(U) <br /> Element <br /> Cone Tip(QG) <br /> 1 <br /> EGGGeotechnical and Environmental In Situ Testing Contractors <br /> Los Angeles • San Francisco Houston Aiken <br /> I Vancouver Edmonton Salt Lake City • New Jersey <br /> Tel (925)313-5800 Fax (925)313-0302 E-mail gregg@ecrs com <br />