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EGG GREGG IN SITU, INC. <br /> filesâ–  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 /> ,r strength and equilibrium groundwater <br /> pressures <br /> 3 <br /> ' F 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 /> Triaxial Geophones pressure can be measured at one of 2 <br /> Accelerometer ;r <br /> ( 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 /> s All data Is displayed in real time at the ground <br /> yST <br /> Inclinometer([) surface, facilitating the on site decision <br /> 3Y- <br /> making process Feld data reduction, plotting <br /> Thermistor(T) and CPT interpretation can be carried out <br /> Friction Sleeve(Fs) upon request <br /> a 7 <br /> Load Celts 11. <br /> x <br /> ' Pore Pressure <br /> Porous Filter ` Transducer(U) <br /> r <br /> Element <br /> Cane Tip(Qc) <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)313-5800 Fax (925)313-0302 J~marl gregg@eas com <br /> i <br />