Frictionlice...(l50c:m1)Cone andmanl1e~on...X12\ _~\.q9l!~1)'-....FOR:ll 10 CXICleFoR:C tosloe.3S.7mm-lI-(10c:mJ).v.::~~J6tt'(.'('t'IS(Iyt'l"Force10IIee¥oFo"", to cone6e~..;....1•ConePenetrationTest(CPT)Soundingso"Quasi-Static" penetration test(see ASTM 03441 and 06067)oStandardized apex angle ofbearing point (600), 10 cm2crosssectional area (35.7 mm diameter),150 cm2area on friction sleeve,and rate of penetration 2 em/secoDeveloped by Dutch - originallyused mechanical cone tip (right)with dual rod system (inner rods topush only CPT tip and frictionsleeve). Now use electronic tipwith strain gauges (left). (figurefrom Spangler& Handy, 1982)oWatch out for poor electronic cones- subject to strain gage drift, leadeffects, and interference (EFI, RFI).Use only reliable manufacturers(Hogentogler, GMF, Fugro, Vertek)oGood profiling tool - data every5 em depth increment.
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This note was uploaded on 02/10/2012 for the course CEG 4012 taught by Professor Staff during the Fall '08 term at University of Florida.