K_0-圧密を受ける粘土の応力-ひずみ特性
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概要
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The stress (p)-strain(ε) relationship of clays under K_0-consolidation is influenced by numerous factors: strain rate(ε^^.), temperature(T), disturbance, and stress path, etc. In this paper, ε^^. and T are considered as the major factors, and their effects are studied. The first part of the paper, on the basis of the published data, p-ε-ε^^. relationships are developed; the results are shown by the curved surface of Fig.8. In a second part, results of separated type consolidometer, carried out at the Port & Harbour Research Inst., are discussed. In this type of test,the soil layer is divided into five inter-connected subspecimens. At the same time, a stydy is made of the in-situ p-ε curves measured at the construction site of the Kansai International Airport. Finally, the combined effect of ε^^. and T has been quantified, and the yield stress p_y can be described as a function of ε and T,[Eq.(4)]. Moreover,it is shown that the p-ε curves obtained at various ε^^. and T coincid on the conditions of Eq. (5).
- 福山大学の論文
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