Seismic design and evaluation criteria based on target performance goals
- Lawrence Livermore National Lab., CA (United States)
- Structural Mechanics Consulting, Inc., Yorba Linda, CA (United States)
- EQE International, Inc., Irvine, CA (United States)
The Department of Energy utilizes deterministic seismic design/evaluation criteria developed to achieve probabilistic performance goals. These seismic design and evaluation criteria are intended to apply equally to the design of new facilities and to the evaluation of existing facilities. In addition, the criteria are intended to cover design and evaluation of buildings, equipment, piping, and other structures. Four separate sets of seismic design/evaluation criteria have been presented each with a different performance goal. In all these criteria, earthquake loading is selected from seismic hazard curves on a probabilistic basis but seismic response evaluation methods and acceptable behavior limits are deterministic approaches with which design engineers are familiar. For analytical evaluations, conservatism has been introduced through the use of conservative inelastic demand-capacity ratios combined with ductile detailing requirements, through the use of minimum specified material strengths and conservative code capacity equations, and through the use of a seismic scale factor. For evaluation by testing or by experience data, conservatism has been introduced through the use of an increase scale factor which is applied to the prescribed design/evaluation input motion.
- Research Organization:
- Lawrence Livermore National Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 10176947
- Report Number(s):
- UCRL-JC-117489; CONF-940613-25; ON: DE94017309; TRN: AHC29501%%9
- Resource Relation:
- Conference: 1994 American Society of Mechanical Engineers (ASME) pressure vessels and piping conference,Minneapolis, MN (United States),19-23 Jun 1994; Other Information: PBD: Apr 1994
- Country of Publication:
- United States
- Language:
- English
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