ESTIMATION OF COEFFICIENT OF EARTH PRESSURE AT REST USING MODIFIED OEDOMETER TEST

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概要

• 論文の詳細を見る

• A series of experimental trial for estimating the coefficient of earth pressure at rest, K_0, is presented. The developed apparatus is a modified Oedometer covered with pressurized chamber specially designed for K_0 determination based on the principle of effective stress originally proposed by Ohta et al. (1979). K_0 is estimated from the developed apparatus primarily by means of load cell and auxiliary by means of pore pressure transducer aiming at confirming the test results. K_0 triaxial consolidation is carried out to verify the result of purposed method. K_0 values are obtained using Oedometer tests on two samples one of which is taken horizontally and the other is taken vertically from a block sample and K_0 values from empirical equation are also estimated for comparison. It was found that the proposed method gives a comparable K_0 of kaolin to K_0 triaxial consolidation method but somewhat higher than those from empirical equations and lower than K_0 obtained using Oedometer.

• 社団法人地盤工学会の論文

著者

• OHTA Hideki

  Department of Gastroenterological Surgery, Akita University School of Medicine

• Okumura Satoshi

  Obayashi Corporation

• Ohta Hideki

  Department Of International Development Engineering Tokyo Institute Of Technology

• TEERACHAIKULPANICH NIPON

  Department of Civil Engineering, Tokyo Institute for Technology

• MATSUNAGA KAZUAKI

  Chuoh Consultants Co., Ltd.

• Matsunaga Kazuaki

  Chuoh Consultants Co. Ltd.

• Teerachaikulpanich Nipon

  Department Of Civil Engineering Tokyo Institute For Technology

• Ohta Hideki

  Department Of Gastroenterological Surgery Akita University School Of Medicine

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