EFFECTS OF OVERCONSOLIDATION AND K_0 CONDITIONS ON THE LIQUEFACTION CHARACTERISTICS OF SANDS
スポンサーリンク
概要
- 論文の詳細を見る
When overconsolidation is induced in a horizontal deposit of sand by the removal of surcharge pressure or by other events, the lateral deformation is prevented and the coefficient of earth pressure at rest, K_0,increases. To evaluate effects of the overconsolidation ratio as well as increased K_0-value on the liquefaction resistance of sand deposits, several series of cyclic torsion shear tests were carried out on samples of clean sand overconsolidated to different degrees under various K_0-conditions. The results of these tests were summarized in an empirical formula. This formula is used to estimate the cyclic strength of sand at any given OCR- and K_0-values, based on the cyclic strength for isotropically and normally consolidated samples.
- 1979-12-15
著者
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石原 研而
東京理科大学理工学部土木工学科
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石原 研而
Professor Of Civil Engineering Tokyo Science University. Manuscript Was Received For Review On May 1
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石原 研而
Civil Engineering University Of Tokyo
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石原 研而
Department Of Civil Engineering Science University Of Tokyo
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Ishihara K
Tokyo Univ. Sci. Jpn
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高津 浩明
Civil Engineer, Tokyo Electric Power Company
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高津 浩明
Civil Engineer Tokyo Electric Power Company
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