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9-1Šª
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1994”N
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1123-1128•Å
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PROCEEDINGS OF THE JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
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Shiro TANAMURA, Akihiko NIHSIMURA, Hiroshi HAYA, Hiroshi KURATA
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A STUDY ON DESIGN METHOD OF CAISSON FOUNDATION DURING LARGE-SIZE EARTHQUAKES
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In this paper the authors focus on design method of caisson foundation during large-size earthquakes. To define behavior and supporting mechanism of caisson foundation, model lateral loading tests covering large-displacement are performed and analyzed. As a result, it is found that the simple calculation method of caisson foundation which assume elasto-plastic property of coefficients of subgrade reaction can precisely simulate the envelope curves of load-displacement curves of the test results to large-displacement. It is discussed that the possibility of application of design method of caisson foundation by equivalent energy method.
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