TY - JOUR
T1 - Characterization of liquefaction resistance of sand
T2 - Effect of initial fabric
AU - Li, Bo
AU - Zeng, Xiangwu
AU - Yu, Hao
PY - 2014/3
Y1 - 2014/3
N2 - The micro-fabric of deposition reflects the imprints of its geologic and stress history, its depositional environment, and its weathering history. Recent experience shows that the fabric anisotropy does influence the static and dynamic behavior of granular materials. In this study, a series of centrifuge tests are conducted to investigate the effects of fabric anisotropy on the dynamic response in the free field. The results show the acceleration, pore pressure, and residual settlement is significantly affected by the fabric anisotropy of the ground, which shows the liquefaction resistance of the ground. Meanwhile, the response of acceleration is analyzed in frequency domain, which shows that the model prepared by 90° absorbs more energy than that of 0°. To verify the effects induced by the initial fabric, permeability test are conducted and related to the liquefaction potential. The results indicate the fabric anisotropy should be incorporated into the design method.
AB - The micro-fabric of deposition reflects the imprints of its geologic and stress history, its depositional environment, and its weathering history. Recent experience shows that the fabric anisotropy does influence the static and dynamic behavior of granular materials. In this study, a series of centrifuge tests are conducted to investigate the effects of fabric anisotropy on the dynamic response in the free field. The results show the acceleration, pore pressure, and residual settlement is significantly affected by the fabric anisotropy of the ground, which shows the liquefaction resistance of the ground. Meanwhile, the response of acceleration is analyzed in frequency domain, which shows that the model prepared by 90° absorbs more energy than that of 0°. To verify the effects induced by the initial fabric, permeability test are conducted and related to the liquefaction potential. The results indicate the fabric anisotropy should be incorporated into the design method.
KW - Fabric anisotropy
KW - free field
KW - liquefaction potential
KW - permeability
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U2 - 10.1142/S1793431114500018
DO - 10.1142/S1793431114500018
M3 - Article
AN - SCOPUS:84892140440
SN - 1793-4311
VL - 8
JO - Journal of Earthquake and Tsunami
JF - Journal of Earthquake and Tsunami
IS - 1
M1 - 1450001
ER -