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Dynamic Testing of Nuclear Power Plant Structures — An Evaluation
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English
Abstract
Lawrence Livermore National Laboratory (LLNL) evaluated the application of system identification techniques to the dynamic testing of nuclear power plant structures and subsystems. These experimental techniques involve exciting a structure and measuring, digitizing, and processing the time-history motions that result. The data can be compared to parameters calculated using finite element or other models of the test systems to validate the model and to verify the seismic analysis. This report summarizes work in three main areas: (1) analytical qualification of a set of computer programs developed at LLNL to extract model parameters from the time histories; (2) examintion of the feasibility of safely exciting nuclear power plant structures and accurately recording the resulting time-history power plant structures and accurately recording the resulting time-history motions; (3) study of how the model parameters that are extracted from the data be used to evaluate structural integrity and analyze nuclear power plants.
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Weaver, H., "Dynamic Testing of Nuclear Power Plant Structures — An Evaluation," SAE Technical Paper 801232, 1980, https://doi.org/10.4271/801232.Also In
References
- Structural Measurement Systems, Inc. “Detection of Damage in Structures from Changes in Their Dynamic (Modal) Properties--A Survey” Lawrence Livermore Laboratory Livermore, CA UCRL 15103 1979
- ANCO Engineers, Inc. “Methods and Benefits of Experimental Seismic Evaluation of Nuclear Power Plants” Lawrence Livermore Laboratory Livermore, CA UCRL 15063 1979
- Agbabian Associates “Verifying Seismic Design of Nuclear Reactors by Testing” Lawrence Livermore Laboratory Livermore, CA UCRL 15052 1979 1 2
- Weaver H. J. “Identification of Dynamic Behavior of Structural Systems” Lawrence Livermore Laboratory Livermore, CA UCID 18004 1978
- U.S. Nuclear Regulatory Commission “Damping Values for Seismic Design of Nuclear Power Plants” Washington, D. C. Regulatory Guide 1.61 1973
- Candy J. V. Lager D. L. “Identification, Detection, and Validation of Vibrating Structures: A Signal Processing Approach” Lawrence Livermore Laboratory Livermore, CA UCID 18270 1979
- Weaver H. J. Ng D. Lager D. “Analytical Qualification of System Identification (Modal Analysis) Codes for Use in the Dynamic Testing of Nuclear Power Plant Structures” Lawrence Livermore Laboratory Livermore, CA UCID 18144 1980
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