TY - GEN
T1 - Assessment of rock strength by texas cone penetrometer and uniaxial compression tests
AU - Lawson, William D.
AU - Mikulec, Chad M.
AU - McClelland, Mark P.
AU - Irby, Emmett F.
AU - Jayawickrama, Priyantha W.
AU - Levi, Lea
PY - 2009
Y1 - 2009
N2 - This study compares strength of the rock mass as evaluated by the Texas Cone Penetration (TCP) field test and the uniaxial compressive strength (UCS) laboratory test, both of which are commonly used as a basis for drilled shaft foundation design in Texas. Results from 965 sets of simultaneous data on Texas rock show that TCPUCS correlations exist for some rock materials, and these correlations typically improve as the rock type is better differentiated. In most - but not all - cases, when intact core strength is adjusted to account for fractures, joints, and discontinuities in the rock mass, the TCP-UCS correlation improves. Overall, the TCP-UCSrelationship is very weak to weak, a finding consistent with previous research. Copyright ASCE 2009.
AB - This study compares strength of the rock mass as evaluated by the Texas Cone Penetration (TCP) field test and the uniaxial compressive strength (UCS) laboratory test, both of which are commonly used as a basis for drilled shaft foundation design in Texas. Results from 965 sets of simultaneous data on Texas rock show that TCPUCS correlations exist for some rock materials, and these correlations typically improve as the rock type is better differentiated. In most - but not all - cases, when intact core strength is adjusted to account for fractures, joints, and discontinuities in the rock mass, the TCP-UCS correlation improves. Overall, the TCP-UCSrelationship is very weak to weak, a finding consistent with previous research. Copyright ASCE 2009.
UR - http://www.scopus.com/inward/record.url?scp=69949166272&partnerID=8YFLogxK
U2 - 10.1061/41022(336)11
DO - 10.1061/41022(336)11
M3 - Conference contribution
AN - SCOPUS:69949166272
SN - 9780784410226
T3 - Geotechnical Special Publication
SP - 79
EP - 86
BT - Contemporary Topics in In Situ Testing, Analysis, and Reliability of Foundations - Proceedings of Selected Sessions of the 2009 International Foundation Congress and Equipment Expo
T2 - Contemporary Topics in In Situ Testing, Analysis, and Reliability of Foundations - 2009 International Foundation Congress and Equipment Expo
Y2 - 15 March 2009 through 19 March 2009
ER -