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PROCEEDINGS OF THE JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
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Masatatsu MIYAJIMA, Masamichi HASEGAWA, Masaru KITAURA, Takeshi KOIKE, Yutaka KITANO
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EXPERIMENTAL STUDY ON EFFECTS OF LIQUEFACTION-INDUCED LATERAL SPREADING ON BURIED STURCUTRES
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The present paper focuses on the effects of force induced by liquefied ground flow on underground structures. First, it is clarified that soil layer behaves as viscous fluid when the excess pore water pressure ratio is equal to 1.0, that is, complete liquefaction. Experiments were, therefore, conducted in order to obtain the viscous coefficient of completely liquefied sand layer. Next, the bending moments of a model pile in liquefied ground flow were measured and they were compared with those calculated by using the viscous coefficients obtained from the previous experiments.
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