TY - GEN
T1 - The stress state and volume change of sandy ground established by sand compaction pile installation
AU - Priyankara, Nadeej Hansaraj
AU - Kazama, Motoki
AU - Uzuoka, Ryosuke
AU - Sento, Noriaki
AU - Sakamoto, Katsuhiro
PY - 2005
Y1 - 2005
N2 - This paper describes a quantitative evaluation of increase in horizontal effective stress of ground improved by Sand Compaction Pile (SCP) method, based on data obtained from the laboratory experiments. In the current practice, both vibratory and non-vibratory SCP used to improve loose sandy soil against liquefaction. In the research reported here, both methods of improvement imposed on laboratory samples. The process of installation was simulated in the laboratory by carrying out cyclic shear triaxial test and hollow cylindrical tortional shear test. Results indicated that the strength of ground to resist liquefaction, increases with coefficient of lateral pressure (K value), hence effect of ground improved by SCP in boosting K values can be regarded as one factor behind the strength of such grounds in resisting liquefaction.
AB - This paper describes a quantitative evaluation of increase in horizontal effective stress of ground improved by Sand Compaction Pile (SCP) method, based on data obtained from the laboratory experiments. In the current practice, both vibratory and non-vibratory SCP used to improve loose sandy soil against liquefaction. In the research reported here, both methods of improvement imposed on laboratory samples. The process of installation was simulated in the laboratory by carrying out cyclic shear triaxial test and hollow cylindrical tortional shear test. Results indicated that the strength of ground to resist liquefaction, increases with coefficient of lateral pressure (K value), hence effect of ground improved by SCP in boosting K values can be regarded as one factor behind the strength of such grounds in resisting liquefaction.
KW - Area replacement ratio
KW - Fine content
KW - K value
KW - Liquefaction resistance
KW - Loose sandy ground
KW - Sand compaction pile
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M3 - Conference contribution
AN - SCOPUS:33646595040
SN - 1880653648
SN - 9781880653647
T3 - Proceedings of the International Offshore and Polar Engineering Conference
SP - 618
EP - 624
BT - Proceedings of the International Offshore and Polar Engineering Conference
T2 - 15th International Offrshore and Polar Engineering Conference, ISOPE-2005
Y2 - 19 June 2005 through 24 June 2005
ER -