TY - GEN
T1 - Effects of fines on liquefaction screening using penetration resistance
AU - Thevanayagam, S.
AU - Ecemis, N.
AU - Kanagalingam, T.
AU - Martin, G. R.
PY - 2006
Y1 - 2006
N2 - Penetration resistance using CPT or SPT is widely used for liquefaction screening. An analysis of effects of silt content on liquefaction resistance, hydraulic conductivity, compressibility, and consolidation characteristics of sands and non-plastic silty sands is presented. Sands and silty sands with the same liquefaction resistance have significantly different hydraulic conductivity and coefficients of consolidation. Numerical simulations of cone penetration resistance taking into account the effects of silt content and consolidation characteristics show that the penetration resistances are significantly affected by consolidation characteristics for sands and sand-silt mixes with similar liquefaction resistances. Relationships between liquefaction resistance, cone penetration resistance, and a normalized penetration rate are presented and compared with current field-based CPTliquefaction screening methods.
AB - Penetration resistance using CPT or SPT is widely used for liquefaction screening. An analysis of effects of silt content on liquefaction resistance, hydraulic conductivity, compressibility, and consolidation characteristics of sands and non-plastic silty sands is presented. Sands and silty sands with the same liquefaction resistance have significantly different hydraulic conductivity and coefficients of consolidation. Numerical simulations of cone penetration resistance taking into account the effects of silt content and consolidation characteristics show that the penetration resistances are significantly affected by consolidation characteristics for sands and sand-silt mixes with similar liquefaction resistances. Relationships between liquefaction resistance, cone penetration resistance, and a normalized penetration rate are presented and compared with current field-based CPTliquefaction screening methods.
UR - https://www.scopus.com/pages/publications/84865834674
M3 - Conference contribution
AN - SCOPUS:84865834674
SN - 9781615670444
T3 - 8th US National Conference on Earthquake Engineering 2006
SP - 5697
EP - 5706
BT - 8th US National Conference on Earthquake Engineering 2006
T2 - 8th US National Conference on Earthquake Engineering 2006
Y2 - 18 April 2006 through 22 April 2006
ER -