1-G model tests and hollow cylindrical torsional shear experiments on seismic residual displacements of fill dams from the viewpoint of seismic performance-based design |
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| Authors: | Seda Sendir Torisu Junichi Sato Ikuo Towhata Tsuyoshi Honda |
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| Institution: | 1. Institut Navier, Université de Paris Est., Ecole Nationale des Ponts et Chaussées, Paris, France;2. Department of Civil Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan;3. Takenaka Corporation, 1-5-1, Ohtsuka, Inzai, Chiba 270-1395, Japan |
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| Abstract: | This paper concerns technological efforts for the general acceptance of performance-based seismic design principle of geotechnical structures. Among many problems to be solved, a particular emphasis was placed on the prediction of residual displacement that remains after a strong earthquake. Because of the complicated behavior of soils undergoing cyclic loading, the prediction is often either complicated/costly or not very accurate. The aim of this study is to examine the capability of existing prediction measures and propose some future scopes. To achieve these goals, shaking table model tests and laboratory shear tests were conducted by taking fill dams as an example target structure. It is concluded that performance-based design is possible if the necessary time and cost are spent and if the required accuracy of prediction is reasonable. |
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| Keywords: | Performance-based design Prediction Fill dam Earthquake Dynamic 1-G model test Finite elements method Torsional shear test Repeated loading |
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