- Stiffness methods for compaction control: the P-FWD device
- onde M.C. ; M.G. Lopes ; L. Caldeira
- 17th International Conference on Soil Mechanics and Geotechnical Engineering (Alexandria)
- Year: 2009
- Site Characterization & In-situ Testing (General) ; Soil Dynamics In-Situ
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- Dynamic loads for high-strain dynamic pile testing
- M.R. Svinkin ; R.D. Woods
- 17th International Conference on Soil Mechanics and Geotechnical Engineering (Alexandria)
- Year: 2009
- Pile Foundations ; Soil Dynamics
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- Cyclic behavior of diatomaceous soils
- J.A. Díaz-Rodríguez ; J.A. Lpez-Molina
- 17th International Conference on Soil Mechanics and Geotechnical Engineering (Alexandria)
- Year: 2009
- Soil Mechanics ; Laboratory Testing ; Soil Dynamics Testing in the Laboratory
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- Effects of shaking histories and material properties on seismic performances of geogrid reinforced retaining walls and gravity type retaining walls
- S. Nakajima ; K. Hong ; S. Mulmi ; J. Koseki
- 17th International Conference on Soil Mechanics and Geotechnical Engineering (Alexandria)
- Year: 2009
- Retaining Walls ; Geosynthetics for Reinforcement ; Soil Dynamics Testing in the Laboratory
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- Overview of the U.S. Nuclear Regulatory Commission Collaborative Research Program to Assess Tsunami Hazard for Nuclear Power Plants on the Atlantic and Gulf Coasts
- A. Kammerer ; U.S. Ten Brink ; V. Titov
- Book Title / Journal: Proceedings of the 14th World Conference on Earthquake Engineering, Beijing, China
- Year: 2008
- Soil Dynamics ; Geotechnical Earthquake Engineering
- Description
- In response to the 2004 Indian Ocean Tsunami, the United States Nuclear Regulatory Commission (US NRC) initiated a long-term research program to improve understanding of tsunami hazard levels for nuclear facilities in the United States. For this effort, the US NRC organized a collaborative research program with the United States Geological Survey (USGS) and the National Oceanic and Atmospheric Administration (NOAA) with a goal of assessing tsunami hazard on the Atlantic and Gulf Coasts of the United States. Necessarily, the US NRC research program includes both seismic- and landslide-based tsunamigenic sources in both the near and the far fields. The inclusion of tsunamigenic landslides, an important category of sources that impact tsunami hazard levels for the Atlantic and Gulf Coasts is a key difference between this program and most other tsunami hazard assessment programs. The initial phase of this work consisted of collection, interpretation, and analysis of available offshore data, with significant effort focused on characterizing offshore near-field landslides and analyzing their tsunamigenic potential and properties. In the next phase of research, additional field investigations will be conducted in key locations of interest and additional analysis will be undertaken. Simultaneously, the MOST tsunami generation and propagation model used by NOAA will first be enhanced to include landslide-based initiation mechanisms and then will be used to investigate the impact of the tsunamigenic sources identified and characterized by the USGS. The potential for probabilistic tsunami hazard assessment will also be explore in the final phases of the program.
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- Preliminary Results of the U.S. N.R.C. Collaborative Research Program to Assess Tsunami Hazard for Nuclear Power Plants on the Atlantic and Gulf Coasts
- A. Kammerer ; U.S Ten Brink ; D.C. Twichell ; E.L. Geist ; J. Chaytor ; J Locat ; H.J. Lee ; B.J. Buczkowski ; M. Sansoucy
- Book Title / Journal: Proceedings of the 14th World Conference on Earthquake Engineering, Beijing, China
- Year: 2008
- Soil Dynamics ; Geotechnical Earthquake Engineering
- Description
- In response to the 2004 Indian Ocean Tsunami, the United States Nuclear Regulatory Commission (US NRC) initiated a long-term research program to improve understanding of tsunami hazard levels for nuclear facilities in the United States. For this effort, the US NRC organized a collaborative research program with the United States Geological Survey (USGS) and other key researchers for the purpose of assessing tsunami hazard on the Atlantic and Gulf Coasts of the United States. The initial phase of this work consisted principally of collection, interpretation, and analysis of available offshore data and information. Necessarily, the US NRC research program includes both seismic- and landslide-based tsunamigenic sources in both the near and the far fields. The inclusion of tsunamigenic landslides, an important category of sources that impact tsunami hazard levels for the Atlantic and Gulf Coasts over the long time periods of interest to the US NRC, is a key difference between this program and most other tsunami hazard assessment programs. Although only a few years old, this program is already producing results that both support current US NRC activities and look toward the long-term goal of probabilistic tsunami hazard assessment. This paper provides a summary of results from several areas of current research. An overview of the broader US NRC research program is provided in a companion paper in this conference.
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- Decision making under epistemic uncertainty: an application to seismic design
- A. Agarwal
- MSc Thesis, Massachusetts Institute of Technology, Department of Civil and Environmental Engineering
- Year: 2008
- Soil Dynamics ; Geotechnical Earthquake Engineering
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- Probabilistic Assessment of Cyclic Soil Straining in Fine-Grained Soils
- K.O. Cetin ; H.T. Bilge
- Geotechnical Earthquake Engineering and Soil Dynamics IV, Sacramento, Califonia, USA, GSP 181, ASCE
- Year: 2008
- Soil Dynamics ; Geotechnical Earthquake Engineering
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- Assessment of Structure-Induced Liquefaction Triggering
- K.O. Cetin ; B. Unutmaz
- Geotechnical Earthquake Engineering and Soil Dynamics IV, Sacramento, Califonia, USA, GSP 181, ASCE
- Year: 2008
- Soil Dynamics ; Geotechnical Earthquake Engineering
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- Site Specific Ground Response Analysis Integrated Within Probabilistic Seismic Hazard Framework
- K.O. Cetin ; A.A. Yunatci
- 8th International Congress on Advances in Civil Engineering, Eastern Mediterranean University, Famagusta, North Cyprus
- Year: 2008
- Soil Dynamics ; Geotechnical Earthquake Engineering
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- Deformation and pore pressure model of the saturated silty clay around a subway tunnel
- X. Zhang ; Y.Q. Tang ; Z.D. Cui
- Geotechnical Aspects of Underground Construction in Soft Ground – Proceedings of the 6th International Symposium (IS-SHANGHAI 2008)
Shanghai - China
April 10-12, 2008
- Year: 2008
- Tunneling in Soils ; Laboratory Testing ; Soil Dynamics
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- Dynamic response of saturated silty clay around a tunnel under subway vibration loading in Shanghai
- X. Zhang ; Z.D. Cui ; Y.Q. Tang
- Geotechnical Aspects of Underground Construction in Soft Ground – Proceedings of the 6th International Symposium (IS-SHANGHAI 2008)
Shanghai - China
April 10-12, 2008
- Year: 2008
- Soil Dynamics ; Instrumentation ; Tunneling
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- USNRC Research & Regulatory Guidance for Soil-Structure Interaction
- H. Graves ; A. Kammerer ; V. Thomas
- Book Title / Journal: 4th U.S. - Japan Workshop on Soil-Strucutre Interaction, Tsukuba, Japan
- Year: 2007
- Soil Dynamics ; Geotechnical Earthquake Engineering
- Description
- Over the last three years, the U. S. Nuclear Regulatory Commission (NRC) has focused attention on soilstructure-interaction (SSI) issues in order to better understand emerging issues and to update its regulatory guidance in regards to SSI. NRC’s recent work is in advance of possible construction of new nuclear power plants (NPP) in the United States. Some conceptual designs for new NPP, also called advanced reactors, have proposed certain safety related NPP structures that will be partially or completely embedded below grade. In addition to this and other design features, some siting analyses for new NPP have used a performance-based method to determine the safe shutdown earthquake (SSE) ground motion. The performance-based method uses a target annual probability [e.g., 10-5 /year for the onset of significant inelastic deformation of systems, structures, and components] for the maximum acceptable facility damage from an earthquake. This paper presents some of the key areas that have been the focus of NRC activity over the last three years, namely: 1) the development of computational tools; 2) an assessment of deeply embedded structures and; 3) exploration of emerging issues; for example, performance-based methods and inclusion of seismic ground motion incoherency into SSI analyses.
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- Seismic Performance of rock block structures with observations from the October 2006 Hawaii Earthquake
- E. Medley ; D. Zekkos
- 4th International Conference on Earthquake Geotechnical Engineering, Thessaloniki, June 25-28, 2007.
- Year: 2007
- Soil Dynamics ; Geotechnical Earthquake Engineering
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- Geological Engineering Reconnaissance of Damage caused by the October 15, 2006 Hawaii Earthquakes
- E. Medley
- International Journal of Geoengineering Case histories, http://casehistories.geoengineer.org , Vol.1, Issue 2, p.89-135
- Year: 2007
- Soil Dynamics ; Geotechnical Earthquake Engineering
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