TY - GEN
T1 - Laboratory measurement of the dynamic properties of fly ash
AU - Kalinski, M. E.
AU - Wallace, A. D.
PY - 2011
Y1 - 2011
N2 - Fly ash is produced from the combustion of coal at power plants. Fly ash is fine-grained, well-rounded, cohesionless, and possesses a specific gravity of around 2.2. Fly ash is often placed hydraulically in fills in a loose, nearly saturated state. Therefore, it is highly susceptible to liquefaction, and it is very important to accurately estimate its dynamic properties when assessing the behavior of fly ash fills under dynamic loading. Herein, laboratory measurements of the dynamic properties of class F fly ash were performed on reconstituted specimens using the free-free resonant column method. These results indicate that the shear wave velocity of fly ash is typically around 110-150 m/s, and increases with increasing confining stress. Material damping of fly ash typically ranges from 2-5. These results can be used to estimate the dynamic properties of fly ash for performing site response analyses on fly ash deposits.
AB - Fly ash is produced from the combustion of coal at power plants. Fly ash is fine-grained, well-rounded, cohesionless, and possesses a specific gravity of around 2.2. Fly ash is often placed hydraulically in fills in a loose, nearly saturated state. Therefore, it is highly susceptible to liquefaction, and it is very important to accurately estimate its dynamic properties when assessing the behavior of fly ash fills under dynamic loading. Herein, laboratory measurements of the dynamic properties of class F fly ash were performed on reconstituted specimens using the free-free resonant column method. These results indicate that the shear wave velocity of fly ash is typically around 110-150 m/s, and increases with increasing confining stress. Material damping of fly ash typically ranges from 2-5. These results can be used to estimate the dynamic properties of fly ash for performing site response analyses on fly ash deposits.
KW - Fly ash
KW - Material properties
KW - Measurement
UR - http://www.scopus.com/inward/record.url?scp=79956353396&partnerID=8YFLogxK
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U2 - 10.1061/41165(397)124
DO - 10.1061/41165(397)124
M3 - Conference contribution
AN - SCOPUS:79956353396
SN - 9780784411650
T3 - Geotechnical Special Publication
SP - 1210
EP - 1216
BT - Geo-Frontiers 2011
T2 - Geo-Frontiers 2011: Advances in Geotechnical Engineering
Y2 - 13 March 2011 through 16 March 2011
ER -