CHANGE IN PORE SIZE DISTRIBUTION OF PEAT IN SHEAR PROCESSES

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概要

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• Saturated remolded specimens of peat sample were used in this investigation. After the specimens were normally consolidated and overconsolidated under an isotropic stress condition, drained triaxial compression shear tests were carried out. After the ends of shear tests, all the specimens were instantly dried on vacuum freezing and then the measurements of pore size distribution were performed by using a mercury intrusion porosimetry apparatus. Based on the measured results of pore size distribution, the relationships between change in pore structure and drained shear behavior were discussed. Furthermore, undrained triaxial compression shear tests were carried out on normally consolidated specimens and the effect of strain rate on pore structure was also investigated. It was found that the changes in pore structure of peat corresponded to the volume changes during shear and were especially influenced considerably by the degree of overconsolidation.

• 社団法人地盤工学会の論文
• 1992-12-15

著者

• 橋爪 良友

  Dept. Of Civil Eng. The National Defense Academy

• 山口 晴幸

  Dept. of Civil Eng., The National Defense Academy

• 池永 均

  Dept. of Civil Eng., The National Defense Academy

• 池永 均

  防衛大学校理工学研究科

関連論文

• 泥炭の間隙径分布における変化(『土質工学会論文報告集』Vol.32,No.4 (1992年12月発行)掲載論文の概要)
• CHANGE IN PORE SIZE DISTRIBUTION OF PEAT IN SHEAR PROCESSES
• 2247.土構造評価への水銀圧入型ポロシメーター装置の利用
• 締固め土の間隙構造

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