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*EGG GREGG IN SITU, INC. <br /> • <br /> Geotechnical and Environmental In Situ Testing Contractors <br /> 1 <br /> THE PIEZO CONE PENETROMETER <br /> The electrical piezocone (CPTU) is the <br /> premier soli 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 /> 1 a Gregg In Situ offers a choice of 2 5, 5, 10 and <br /> ,r 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 Acceterometer 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 /> • All data is displayed in real time at the ground <br /> inclinometer(1) surface, facilitating the on site decision <br /> making process Field data reduction, plotting <br /> Thermistor(T) and CPT interpretation can be carried out <br /> upon request <br /> Fncteon Sleeve(FS) <br /> Load Celia t ` <br /> �s <br /> K Rel <br /> �y a Pore Pressure <br /> Porous Fitter + Transducer(U) <br /> Element <br /> Cone Tp(Qo) <br /> tEGG Geotechnical and Environmental In Situ Testing Contractors <br /> Los Angeles • San Francisco • Houston • Aiken <br /> Vancouver • Edmonton • Salt Lake City New Jersey <br />' �_ <br /> Tel (925)313-3800 Fax (925)313-0302 E-mail gregg@ecrs-com <br />