Feasibility of dynamic testing of as-built nuclear power plant structures: an interim evaluation
An interim evaluation of the feasibility and meaningfulness of dynamic testing of as-built nuclear power plant structures is the subject of this report. A critical review of past dynamic tests on nuclear power plant and other structures, data processing techniques, and associated analytical methods forms the basis for the evaluation. Goals of dynamic tests, excitation techniques, excitation levels, instrumentation, data acquisition, data analysis, determination of dynamic characteristics from test data, and post-test analytical modeling including different parameter identification approaches are discussed. Dynamic testing is found to be feasible, and low-level testing is deemed to be useful for verifying analytical models used in design practice. Proof testing at design-level excitation is considered impractical, and only a combined low-level testing cum analytical modeling approach is considered to be the means for predicting response to high-level excitations. The need for better analytical modeling and for the validation of existing and proposed analytical methodologies calls for further effort before testing can become part of the normal licensing process.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31-109-ENG-38
- OSTI ID:
- 5040036
- Report Number(s):
- NUREG/CR-1937; ANL-CT-81-5; ON: TI86000886
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
NUCLEAR POWER PLANTS
TESTING
DATA ACQUISITION
DATA ANALYSIS
DYNAMIC LOADS
EARTHQUAKES
EVALUATION
FEASIBILITY STUDIES
MEASURING INSTRUMENTS
MECHANICAL STRUCTURES
MECHANICAL VIBRATIONS
REACTOR LICENSING
SEISMIC EFFECTS
SIMULATION
LICENSING
NUCLEAR FACILITIES
POWER PLANTS
SEISMIC EVENTS
THERMAL POWER PLANTS
220900* - Nuclear Reactor Technology- Reactor Safety