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REC010310N <br /> 2.0 Electronic Piezocone (CPTU) Specifications <br /> Cone <br /> o 10 ton subtraction cone <br />' o Strain gauge load cell measurement <br /> o Outside diameter- 16" <br /> o Temperature compensated <br /> o Baseline monitoring <br /> Tip Resistance <br /> o Tip area: 10 cm <br /> o Full scale output (FSO): 1000 T/fl(q j <br /> o Apical angle: 600 <br /> o Frequency of measurement: 5 cm <br /> o Measured data: Force / base area = q, <br /> IFriction <br /> o Surface area: 150 cm2 <br /> o Location. behind pore pressure element <br /> to End area ratio. 0 85 <br /> o Equal end areas to eliminate pore pressure effects <br /> ' e Frequency of measurement 5 cm <br /> e Measured data Force I surface area = fs <br /> ' Pore Pressure <br /> • Location Behind tip (U2 position) <br /> ' ® Thickness: 5mm <br /> Composition: Polypropylene porous plastic <br /> e Saturation liquid Glycerin CHOH(CH2OH)2 <br /> • Saturation method High vacuum with heat and vibration <br /> ® Measured data. U — Measured pore pressure (while advancing) <br /> rUo—Equilibrium pore pressure (while stopped) <br /> • Frequency of measurement. 5 cm <br /> I • Pressure changes are measured with a diaphragm type electronic pressure <br /> transducer <br /> 1400 South 50th Street ® Richmond, CA 94804 • (510) 237-4575 • FAX (510) 237-4574 <br /> h www precisionsamplMg com <br /> Nationunde Direct-Push Sermoes <br /> 1-800-671-4744 <br />