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Development of Reliability-Based Load and Resistance Factor Design (LRFD) Methods for Piping

By
ASME Research Task Force on Development of Reliability-Based Load and Resistance Factor Design
ASME Research Task Force on Development of Reliability-Based Load and Resistance Factor Design
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ISBN-10:
0791802620
ISBN:
9780791802625
No. of Pages:
180
Publisher:
ASME Press
Publication date:
2007

The discussion in this chapter is targeted specifically towards the objective of this project that focuses on the design rules for only the primary stresses in a straight pipe component for Class 2 and Class 3 piping subjected to pressure, deadweight and earthquake loads. Furthermore, the following discussion is focused on cold pipe with no consideration for high temperature related cases. We begin with a discussion on failure criterion that forms the basis of ASME and B31 piping design codes.

4.1. Failure Criterion
4.2. Performance Criterion
4.2.1. Limit-Load Capacity
4.2.2. Plastic-Instability Collapse Load Using Elastic Slope
4.2.3. Plastic-Instability Collapse Load Using Elastic Deformation
4.2.4. Plastic Instability: Ultimate Moment Definition of Collapse Load
4.3. Existing Code Equations
4.3.1. Design Condition
4.3.2. Operating Condition (Service Level A)
4.3.3. Upset Loading Condition (Service Level B)
4.3.4. Emergency Loading Condition (Service Level C)
4.3.5. Faulted Loading Condition (Service Level D)
4.4. Performance Functions
4.5. Load Combinations for Piping
4.5.1. Design Condition
4.5.2. Operating Condition
4.5.3. Upset Loading Condition
4.5.4. Emergency Loading Condition
4.5.5. Faulted Loading Condition
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