PORE WATER PRESSURES MEASURED IN SAND DEPOSITS DURING AN EARTHQUAKE
スポンサーリンク
概要
- 論文の詳細を見る
A set of piezometers was embedded in sand deposits on a reclaimed island in Tokyo Bay and a seismograph was placed on the ground surface nearby in order to monitor simultaneously in-situ pore water pressures and horizontal accelerations during earthquakes. During the September 25,1980 earthquake, the instruments registered increases in pore water pressures corresponding to 19% and 16% of the effective overburden pressure at depths of 6.0 m and 14.0 m, respectively. At the same time, a maximum horizontal acceleration of 95 gal was registered at the ground surface. Laboratory cyclic triaxial tests had been performed on undisturbed soil specimens obtained from this site using a large diameter sampler. Based on the laboratory test data, an estimate was made of the pore water pressures that might be produced in the deposit by seismic shaking of a maximum acceleration of 95 gal. The estimated values of pore water pressure were shown to be in good agreement with the pore water pressures registered during the earthquake.
- 社団法人地盤工学会の論文
- 1981-12-15
著者
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石原 研而
Civil Engineering, University of Tokyo
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山田 恭央
Department Of Civil Engineering University Of Tokyo
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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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山田 恭央
Civil Engineering, University of Tokyo
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清水 恵助
Bureau of Ports and Harbors, Tokyo Metropolitan Government
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清水 恵助
Bureau Of Ports And Harbors Tokyo Metropolitan Government
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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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