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GREGG IN SITU, INC. <br /> 54 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 /> x, strength and equilibrium groundwater <br /> pressures <br /> Nay Gregg In Situ offers a choice of 2 5, 5, 10 and <br /> 15 ton tip (Qc) capacity cones Our cones <br /> s ' , also have variable capacity,friction sleeves <br /> (Fs) and pore-pressure (U) The pore <br /> Triaxial Geophones f pressure can be measured at one of 2 <br /> or Accelerometer 7 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 /> t 4th <br /> ° All data is displayed in real time at the ground t � <br /> w� Inclinometer(1) surface, facilitating the on site decision <br /> making process Field data reduction, plotting <br /> �2 Thermistor(T) and CPT interpretation can be carried out <br /> ' —upon-request <br /> Friction Sleeve(Fs) <br /> Load Cells a <br /> Pare Pressure <br /> Porous Filter <br /> Transducer(U) <br /> Element <br /> Cone Tip(Qc) <br /> EGGGeotechnical and Environmental In Situ Testing Contractors <br /> Los Angeles - San Francisco • Houston Aitken <br /> Vancouver - Edmonton • Salt Lake City • New Jersey <br /> Tel (925)393-5800 Fax (925)313-0302 E-mad gregg@ecrs cm <br />