71_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011

71_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011 - X12...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Friction lice. .. (l50c:m 1 ) Cone and manl1e ~ on ... X12 \ _ ~\.q9l!~ 1)'-. ... FOR:ll 10 CXICle FoR:C to sloe. 3S.7mm-l I- (10 c:mJ).v.::~ ~ J 6tt'( .'(' t' IS (I yt'l" Force 10 IIee¥o Fo"", to cone 6 e ~ ..; .... 1 Cone Penetration Test (CPT) Soundings o "Quasi-Static" penetration test (see ASTM 03441 and 06067) o Standardized apex angle of bearing point (600), 10 cm 2 cross sectional area (35.7 mm diameter), 150 cm 2 area on friction sleeve, and rate of penetration 2 em/sec o Developed by Dutch - originally used mechanical cone tip (right) with dual rod system (inner rods to push only CPT tip and friction sleeve). Now use electronic tip with strain gauges (left). (figure from Spangler & Handy, 1982) o Watch out for poor electronic cones - subject to strain gage drift, lead effects, and interference (EFI, RFI). Use only reliable manufacturers (Hogentogler, GMF, Fugro, Vertek) o Good profiling tool - data every 5 em depth increment.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

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.

Ask a homework question - tutors are online