Pipe Stress Analysis Notes 24/25

Mar 20, 20202 min read

1.2.1 Fatigue Basics

Steels and other metals are made up of organized patterns of molecules, known as crystal structures. However, these patterns are not...

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Mar 20, 20202 min read

1.1.4 Maximum Stress Intensity Criterion

Most of the current piping codes use a slight modification of the maximum shear stress theory for flexibility related failures....

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Mar 20, 20202 min read

1.1.3 Failure Theories

To be useful, calculated stresses must be compared to material allowables. Material allowable stresses are related to strengths as...

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Mar 14, 20202 min read

1.1.2 3-D State of Stress in the Pipe Wall

During operation, pipes are subject to all of these types of stresses. Examining a small cube of metal from the most highly stressed...

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Mar 13, 20203 min read

1.1.1 Basic Stress Concepts

Normal stresses: Normal stresses are those acting in a direction normal to the face of the crystal structure of the material, and may be...

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