In this study, 3-D earthquake responses of nuclear containment building installed in water-saturated soil strata are obtained using a rigorous model of the water-saturated two-phase porous medium. Impedances of a massless rigid foundation of the building and effective earthquake forces are obtained. Far-field region of soil is represented by a 3-D transmitting boundary, which is used for modeling the elastic waves radiating out to an infinite boundary in water-saturated soil strata overlaying rigid bedrock. Using 3-D finite elements for saturated two-phase porous medium, models are developed for the near-field region of soil. The transmitting boundary is combined with the finite-elements model of the near-field region. The impedances and effective earthquake forces are obtained from the numerical model of soil strata. Earthquake responses of the nuclear containment building subject to a 3-D ground motion (two horizontal and a vertical motions) are obtained. The building structures are modeled using a beam-stick model. The impedances of the foundation are combined with the structure model. The effective earthquake forces are applied to the combined model. Floor response spectra of pseudo-acceleration and time histories of acceleration are obtained, which can be used for an analysis of structure-equipment interaction.
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18th International Conference on Nuclear Engineering
May 17–21, 2010
Xi’an, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-4933-0
PROCEEDINGS PAPER
Three-Dimensional Earthquake Responses of Nuclear Containment Building Installed in Water-Saturated Soil Strata Available to Purchase
Jin Ho Lee,
Jin Ho Lee
The University of Texas at Austin, Austin, TX
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Jae Kwan Kim,
Jae Kwan Kim
Seoul National University, Seoul, Korea
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Jeong-Soo Ryu
Jeong-Soo Ryu
Korea Atomic Energy Research Institute, Daejeon, Korea
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Jin Ho Lee
The University of Texas at Austin, Austin, TX
Jae Kwan Kim
Seoul National University, Seoul, Korea
Jeong-Soo Ryu
Korea Atomic Energy Research Institute, Daejeon, Korea
Paper No:
ICONE18-30028, pp. 631-638; 8 pages
Published Online:
April 8, 2011
Citation
Lee, JH, Kim, JK, & Ryu, J. "Three-Dimensional Earthquake Responses of Nuclear Containment Building Installed in Water-Saturated Soil Strata." Proceedings of the 18th International Conference on Nuclear Engineering. 18th International Conference on Nuclear Engineering: Volume 5. Xi’an, China. May 17–21, 2010. pp. 631-638. ASME. https://doi.org/10.1115/ICONE18-30028
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