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Guidebook for the Design of ASME Section VIII Pressure Vessels

By
James R. Farr
James R. Farr
Wadsworth, Ohio
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Maan H. Jawad
Maan H. Jawad
Camas, Washington
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ISBN:
9780791859520
No. of Pages:
344
Publisher:
ASME Press
Publication date:
2010

Openings through the pressure boundary of a vessel require extra care to keep loadings and stresses at an acceptable level. Loads may be generated from both internal and external pressure and from applied external loadings. An examination of the pressure boundary may indicate that extra material is needed near the opening to keep stresses from loadings at an acceptable level. This may be provided by increasing the wall thickness of the shell or nozzle or by adding a reinforcement plate around the opening. At some openings, there may be a nozzle to which is attached external piping generating external forces...

5.1 Introduction
5.2 Code Bases For Acceptability of Opening
5.3 Terms and Definitions
5.4 Reinforced Openings-General Requirements
5.4.1 Replacement Area
5.4.2 Reinforcement Limits
5.4.3 Comparing Methods of Problem Solving of Reinforced Openings in VIII-1 vs. VIII-2
5.5 Reinforced Openings Rules in VIII-1
5.5.1 Openings With Inherent compensation
5.5.2 Shape and Size of Openings
5.5.3 Area of Reinforcement Required
5.5.4 Limits of Reinforcement
5.5.5 Area of Reinforcement Available
5.5.6 Openings Exceeding Size Limits of Section 5.5.2.2
5.5.7 Alternative Design Rules for Reinfoced Openings in Cylindrical and Conical Shells
5.5.8 Alternative Design Rules for Large Reinforced Openings in Cylindrical and Conical Shells
5.6 Reinforced Opening Rules in VIII-2
5.6.1 Definitions, Symbols, and Terms
5.6.2 Shape and Size Limits of Openings
5.6.3 Configurations of Reinforced Opening Equations Given in Design by Rules of VIII-2
5.7 Ligament Efficiency Rules
5.7.1 Ligament Efficiency vs. Weld Joint Efficiency
5.7.2 Nomenclature
5.7.3 Calculation Rules
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