ASME Task Group Report on Primary Stress

Author:

Pastor T. P.1,Hechmer J.2

Affiliation:

1. Codes and Standards Department, The Hartford Steam Boiler Inspection, and Insurance Company, Hartford, CT 06162-5024

2. Nuclear Equipment Division, Babcock and Wilcox Company, P.O. Box 271, 91 Stirling Avenue, Barberton, OH 44203

Abstract

This paper considers the subject of primary stress as applied in pressure vessel design carried out in accordance with the ASME Boiler and Pressure Vessel Code (1992). The paper is the result of discussions held by members of the Task Group on Primary Stress. Specific subjects discussed include methods for calculating primary stresses, the ASME limits on primary stresses and their meaning, use of the Code stress classification table in pressure vessel design, and commentary on the use of state-of-the-art analysis techniques to design pressure vessels and satisfy Code primary stress limits. A modified definition for primary stress is given, and examples for evaluating primary stresses for different geometries is provided.

Publisher

ASME International

Subject

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

Reference8 articles.

1. ASME Boiler and Pressure Vessel Code, 1992, The American Society of Mechanical Engineers, New York, NY.

2. Criteria of the ASME Boiler and Pressure Vessel Code for Design by Analysis in Sections III and VIII, Division 2.

3. Cooper, W. E., 1991, correspondence to A. Kalnins, March 29.

4. Updike, D. P., Kalnins, A., and Hechmer, J., 1991, “On Primary Stresses in Conical Reducers,” ASME PVP-Vol. 210-2, June.

5. Kalnins, A., and Updike, D. P., 1991, “Role of Plastic Limit and Elastic-Plastic Analyses in Design,” ASME PVP-Vol. 210-2, June.

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