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ASME BPVC - CC - NC -2021 BPVC Code Cases: Nuclear Components, Supplement 1, 2021
- Code Cases: Nuclear Components
- Summary of Changes
- Numeric Index
- Subject Index
- Applicability Index for Section XI Cases
- Case 2996-1
- Case 2997
- Case N-607
- Case N-759-2 [Go to Page]
- 1 Scope, Design, Method, and Nomenclature [Go to Page]
- 1.1 Scope
- 1.2 Buckling Design Method
- 1.3 Geometry
- 1.4 Nomenclature
- 2 General Design Information [Go to Page]
- 2.1 Materials
- 2.2 Stress Reduction Factors
- 2.3 Capacity Reduction Factors (β)
- 2.4 Stress Components for Stability Analysis and Design
- 3 Allowable Compressive Stresses for Cylindrical Shells [Go to Page]
- 3.1 External Pressure
- 3.2 Uniform Axial Compression [Go to Page]
- 3.2.1 Local Buckling (for λc ≤ 0.15)
- 3.2.2 Column Buckling (λc > 0.15 and Klu/r < 200)
- 3.3 Axial Compression Due to Bending Moment
- 3.4 Shear
- 4 Allowable Compressive Stresses for Cones [Go to Page]
- 4.1 External Pressure [Go to Page]
- 4.1.1 Allowable Circumferential Compression Stresses
- 4.1.2 Intermediate Stiffening Rings
- 4.1.3 Cone-Cylinder Junction Rings
- 4.2 Uniform Axial Compression and Bending [Go to Page]
- 4.2.1 Allowable Longitudinal and Bending Stresses
- 4.2.2 Unstiffened Cone-Cylinder Junctions
- 4.2.3 Cone-Cylinder Junction Rings
- 4.3 Shear [Go to Page]
- 4.3.1 Allowable In-Plane Shear Stress
- 4.3.2 Intermediate Stiffening Rings
- 4.4 Local Stiffener Geometry Requirements
- 4.5 Tolerances
- 5 Allowable Stress Equations for Unstiffened and Ring-stiffened Cylinders and Cones under Combined Loads [Go to Page]
- 5.1 For Combination of Uniform Axial Compression and Hoop Compression [Go to Page]
- 5.1.1
- 5.1.2
- 5.2 For Combination of Axial Compression Due to Bending Moment, M, and Hoop Compression
- 5.3 For Combination of Hoop Compression and Shear
- 5.4 For Combination of Uniform Axial Compression, Axial Compression Due to Bending Moment, M, and Shear, in the Presence of Hoop Compression (fh ≠ 0) [Go to Page]
- 5.4.1
- 5.4.2
- 5.5 For Combination of Uniform Axial Compression, Axial Compression Due to Bending Moment, M, and Shear, in the Absence of Hoop Compression (fh = 0) [Go to Page]
- 5.5.1
- 5.5.2
- 6 Sizing of Rings (General Instability) [Go to Page]
- 6.1 External Pressure
- 6.2 Uniform Axial Compression and Axial Compression Due to Bending
- 6.3 Shear
- 6.4 Local Stiffener Geometry Requirements
- 7 Tolerances for Cylindrical and Conical Shells [Go to Page]
- 7.1 Shells Subjected to External Pressure
- 7.2 Shells Subjected to Uniform Axial Compression and Axial Compression Due to Bending Moment
- 7.3 If Tolerances Are Exceeded, Allowable Buckling Stress Adjustment
- 7.4 Measurements for Deviations
- 7.5 Shells Subjected to Shear
- 8 Allowable Compressive Stresses for Spherical Shells and Formed Heads, with Pressure on Convex Side [Go to Page]
- 8.1 Spherical Shells [Go to Page]
- 8.1.1 With Equal Biaxial Stresses
- 8.1.2 With Unequal Biaxial Stresses — Both Stresses Are Compressive
- 8.1.3 With Unequal Biaxial Stresses — One Stress Is Compressive and the Other Is Tensile
- 8.1.4 Shear
- 8.2 Toroidal and Ellipsoidal Heads
- 8.3 Tolerances for Formed Heads
- 9 Reinforcement for Openings [Go to Page]
- 9.1
- 9.2
- 9.3
- 10 References
- Case N-780-1 [Go to Page]
- 1 Scope
- 2 Technical Assessment
- 3 Practical Demonstration [Go to Page]
- 3.1
- 3.2
- 3.3
- 3.4
- 4 Documentation
- Case N-789-5 [Go to Page]
- 1 General Requirements
- 2 Initial Evaluation
- 3 Design [Go to Page]
- 3.1 Types of Reinforcing Pads
- 3.2 General Design Requirements — Pressure and Structural Pads
- 3.3 Specific Design Requirements — Pressure Pads
- 3.4 Specific Design Requirements — Structural Pads
- 3.5 Prequalified Design
- 4 Water-backed Applications
- 5 Installation
- 6 Examination
- 7 Pressure Testing
- 8 Inservice Monitoring
- Case N-902 [Go to Page]
- -1000 Introduction [Go to Page]
- -1100 Scope
- -1200 Nomenclature
- -2000 Fatigue Thickness and Gradient Factor Correction Evaluation [Go to Page]
- -2100 Scope
- -2200 Determination of Thickness Factor [Go to Page]
- -2210 Carbon Steel
- -2220 Low Alloy Steel
- -2230 Austenitic Stainless Steel
- -2300 Determination of Gradient Factor [Go to Page]
- -2310 Carbon Steel
- -2320 Low Alloy Steel
- -2330 Austenitic Stainless Steel
- -3000 Code Case Use
- Case N-915 [Go to Page]
- 1 Internal Audits [Go to Page]
- 1.1
- 1.2
- 2 Supplier Audits [Go to Page]
- 2.1
- 2.2
- Case N-916 [Go to Page]
