Experimental, Analytical, and Regulatory Evaluation of Seismic Behavior of Piping Systems

Author:

Touboul F.1,Blay N.1,Lacire M. H.1

Affiliation:

1. CEA-CEN Saclay, DMT/SEMT, 91191 Gif-sur-Yvette, France

Abstract

Based on an experimental program, including both individual components and piping system, CEA has evaluated the margins coming from present design procedures and has developed sound analytical methods that allow for a modelization, in the linear or nonlinear domain. For industrial purposes, simplified methods are proposed that are much less time-consuming than nonlinear time-history calculations, but much more accurate than linear methods. They are devoted to a better evaluation of the global behavior (internal moments in the piping system or reactions in supports, displacements, rotations).

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Reference10 articles.

1. ASME, Edition July 1992, “Boiler and Pressure Vessel Code,” Section III, Division 1, Subsection NB.

2. Caughey T. K. , 1963, “Equivalent Linearization Techniques,” The Journal of the Acoustical Society of America, Vol. 35, No. 11, Nov. pp. 1706–1711.

3. Le Breton, F., Touboul, F., and Blanchard, M. T., 1995, “Piping Seismic Design Criteria: Design of a Seismic Test,” Smirt 13, Porto Allegre, Brazil.

4. RCC-MR, 1994 edition, “Design and Construction Rules for Mechanical Components of FBR Nuclear Islands,” Section I, Subsection B: Class 1 Components.

5. Touboul, F., Ben Jdidia, M., and Acker, D., 1989, “Design Rules for Piping: Experimental Validation of Flexibility and Elastic Stress Indices for Elbows Under Bending,” Smirt 10, Anaheim, CA.

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