Seismic evaluation of a diesel generator system at the Savannah River Site using earthquake experience data
- EQE Engineering, Inc. (United States)
- Westinghouse Savannah River Co., Aiken, SC (United States)
New equipment and systems have been seismically qualified traditionally by either two methods, testing or analysis. Testing programs are generally expensive and their input loadings are conservative. It is generally recognized that standard seismic analysis techniques produce conservative results. Seismic loads and response levels for equipment that are typically calculated exceed the values actually experienced in earthquakes. An alternate method for demonstrating the seismic adequacy of equipment has been developed which is based on conclusions derived from studying the performance of equipment that has been subjected to actual earthquake excitations. The conclusion reached from earthquake experience data is that damage or malfunction to most types of equipment subjected to earthquakes is less than that predicted by traditional testing and analysis techniques. The use of conclusions derived from experience data provides a realistic approach in assessing the seismic ruggedness of equipment. By recognizing the inherently higher capacity that exists in specific classes of equipment, commercial ``off-the-shelf`` equipment can be procured and qualified without the need to perform expensive modifications to meet requirements imposed by traditional conservative qualification analyses. This paper will present the seismic experience data methodology applied to demonstrate the seismic adequacy of several commercially supplied 800KW diesel powered engine driven generator sets with peripheral support components installed at the Savannah River Site (SRS).
- Research Organization:
- Westinghouse Savannah River Co., Aiken, SC (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC09-89SR18035
- OSTI ID:
- 10165314
- Report Number(s):
- WSRC-MS-90-134; CONF-900617-24; ON: DE92017934
- Resource Relation:
- Conference: 1990 pressure vessels and piping conference,Nashville, TN (United States),17-21 Jun 1990; Other Information: PBD: [1990]
- Country of Publication:
- United States
- Language:
- English
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11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
58 GEOSCIENCES
SEISMIC EFFECTS
DATA BASE MANAGEMENT
ELECTRIC GENERATORS
EQUIPMENT
TESTING
EVALUATION
NUCLEAR FACILITIES
SAFETY ENGINEERING
SAVANNAH RIVER PLANT
EARTHQUAKES
DIESEL ENGINES
REACTOR SAFETY
220900
054000
580000
HEALTH AND SAFETY
GEOSCIENCES