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| Project Number | 125 |
| Date of Summary | June 30, 1991 |
| Subject | Seismic Response Analysis of Offshore Pile Supported Structures |
| Performing Activity | University of California, San Diego |
| Principal Investigator | Dr. Toyoaki Nogami |
| Contracting Agency | Minerals Management Service |
| Estimated Completion | Complete |
| Description | This was a Joint Industry Project (JIP) with Tokai University in Japan to exchange information on soil/pile interaction models. The objective was to assess the reliability of current state-of-the-art soil/pile interaction models and their ability to predict the dynamic response of an offshore platform to actual earthquake loadings. The study will be used the seismic data collected from the Subsea Earthquake Measurement System (SEMS) being deployed in Project No. 68. Results of the project will provide information on the applicability of using onshore seismic ground motion records for the design of offshore structures. |
| Progress | Complete |
Reports |
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AA (16 pages)
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Nogami, T., and Konagai, K., Dynamic Response of Vertically Loaded Nonlinear Pile Foundations, Paper No. 21252, ASCE Journal of Geotechnical Engineering, Volume 113, No. 2, February 1987. |
| AB | Nogami, T., Dynamic Response of Pile Foundations--Experiment, Analysis, and, Observation, Proceedings of the ASCE Geotechnical Engineering Division, Geotechnical Special Publication No. 11, Atlantic City, New Jersey, April 27, 1988. Report for sale. |
| AC (9 pages)
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Nogami, T. and Leung, M. B., Dynamic Soil-Structure Analysis of Offshore Gravity Platforms Using Simplified Model, Proceedings of the Sixth (1987) International Offshore Mechanics and Arctic Symposium, Houston, Texas, March 1-6, 1987. |
| AD (117 pages)
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Nogami, T. and Igarash, I., Rayleigh Waves in an Offshore Environment, Final Report, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, September 1989. |
| AE (27 pages)
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Nogami, T. and Kazama, M., Dynamic Response Analysis of Submerged Soil by Thin Layered Element Method, Interim Report, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, November 1990. |
| AF (27 pages)
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Nogami, T. and Kazama, M., Dynamic Response Analysis of Submerged Soil by Thin Layered Element Method, Accepted for publication in the International Journal of Soil Dynamics and Earthquake Engineering, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California. |
| AG (18 pages)
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Nogami, T., Soil-Pile Interaction Model for Earthquake Response Analysis of Offshore Pile Foundations, Session VI, Panel Discussion on Earthquake Geotechnology in Offshore Structures, Second International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, Volume 3, St. Louis Missouri, March 1991. |
| AH (178 pages)
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Nogami, T. and Kazama, M., Effects of Offshore Environment on Dynamic Response of Pile Foundations, Final Report to MMS, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California. |
| AI (4 pages)
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Kazama, M., Nogami, T., Effects of Permeability and Loading Rate on Dynamic Stiffness of Saturated Soil, Geo-Coast '91, pp. 459- 462, Yokahama, Japan, September 1991. |
| AJ (8 pages)
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Nogami, T. and Kazama, M., Dynamic Soil-Foundation Interaction in Ocean Environments, Second International Offshore and Polar Engineering Conference, San Francisco, California, June 1-19, 1992. |
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