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1 <br />' W <br /> GREGG IN SITU, INC. <br />' �■� Geotechnical and Environmental In Situ Testing Contractors <br /> THE PIEZO CONE PENETROMETER <br /> 1 <br /> The electrical piezocone (CPTU) is the <br />' premier soil logging tool The CPTU provides <br /> a rapid, reliable and economic means of <br /> P determining soil stratigraphy, relative density, <br /> strength and equilibrium groundwater <br /> pressures <br /> ,el <br /> r> Gregg In Situ offers a choice of 2 5, 5, 1Q and <br /> nm 15 ton tip (Qc) capacity cones Our cones <br /> M 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) <br /> behind the cone tip Pore pressure <br /> dissipation data is recorded automatically <br /> (r <br /> All data is displayed in real time at the ground <br /> Inclinometer(i) surface, facilitating the on site decision <br />' Thermistor(T) making process Field data reduction, plotting <br /> and CPT interpretation can be carried out <br /> upon request <br /> Friction Sleeve(Fs) <br /> 1 � <br /> Load Cells � <br /> f' <br /> ` 4 <br />' Pore Pressure <br /> Porous Filter Transducer(U) <br /> Element <br /> Cone Tip(Gc) <br />' EGG Geotechnical and Environmental In Situ Testing Contractors <br /> Los Angeles • San Francisco • Houston • Aiken <br />' Vancouver • Edmonton - Salt Lake City • New Jersey <br /> Tel (925)313-5800 Fax (925)31343x2 &maft gregg@edls cam <br /> 1 <br />