ENERGY DISSIPATION AND SEISMIC LIQUEFACTION OF SANDS : REVISED MODEL
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概要
- 論文の詳細を見る
An earlier model by the authors for the seismic liquefaction of sands is revised and extended. The model, based on liquefaction case history data and the hypothesis that increase in pore water pressure is proportional to the density of seismic energy dissipation, relates pore pressure increase during an earthquake to the earthquake magnitude, epicentral distance, initial effective overburden stress and standard penetration value of the site soil. The principal assumptions of the original model are examined and a revised model proposed. This includes an allowance for constant-Q material attenuation between the earthquake source and site and a non linear relation, based on laboratory testing, between pore pressure increase and density of dissipated seismic energy in the site soil. The effect of model uncertainty on probabilistic estimates of liquefaction hazard are examined, and a factor correcting for uncertainty is obtained in closed form.
- 社団法人地盤工学会の論文
- 1985-06-15
著者
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Davis R.
Department Of Civil Engineering University Of Canterbury
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BERRILL J.
Department of Civil Engineering, University of Canterbury
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Berrill J.
Department Of Civil Engineering University Of Canterbury
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Berrill J.B.
Department of Civil Engineering, University of Canterbury
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Davis R.O.
Department of Civil Engineering, University of Canterbury
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