Transcription of BELLOWS DESIGN CALCULATION - American BOA …
1 Quotation#:I-30000 Customer:AcmeDate:7/29/2002 Prepared By:John DoeExp. Jt. Item #:12" ND BELLOWS DESIGN CALCULATIONrev. 68, 06/27/02 DESIGN Basis:The Expansion Joint Manufacturer's Association Standard, 7th Edition, 2000 AddendaAllowable Stress Basis:ASME Sect. VIII, Division 1, 2001 EditionBellows Element GeometryBellows Material:SA240-T321 Collar Material:SA240-T304 BELLOWS Inside Diameter (in.) Outside Diameter (in.)H= of Convolutions7 Individual Ply thickness (in.) of Plies5 BELLOWS Element Length (in.)2r= Effective Area (in.^2) DESIGN InformationCondition Type ( DESIGN , upset)DesignDesign Pressure (Psig)150 DESIGN Temperature (deg. F) 600 Axial Compression (in.) Extension (in.) (+) (in.) (-) (in.) (+) (deg.) (-) (deg.) Stress Analysis ActualAllow.
2 StressStressS1 Tangent Circumferential Membrane Stress Due to Pressure, psi8,86318,300S'1 Collar Circumferential Membrane Stress Due to Pressure, psi9,03016,600S2 Circumferential Membrane Stress Due to Pressure, psi7,04618,300S'2 Reinforcing Ring Membrane Stress Due to Pressure, psi**N/A**N/A**S3 Meridional Membrane Stress Due to Pressure, psi1,046N/AS4 Meridional Bending Stress Due to Pressure, psi43,729N/AS3+S4 Meridional Mem. + Bending Stress Due to Pressure, psi44,77554,900S5 Meridional Membrane Stress Due to Deflection, psi590N/AS6 Meridional Bending Stress Due to Deflection, psi103,747N/AMaximum DESIGN Pressure Based Upon Squirm, psig150 Fatigue CharacteristicsTotal Stress Range for All Movements (St), psi135,680 Fatigue Life (cycles to failure)EJMA 41,224 Expansion Joint Spring RatesAxial Spring Rate ( )721 Lateral Spring Rate ( )7,459 Angular Spring Rate ( )293 Torsional Spring Rate ( )1,311,512(Maximum Allowed Torsion = )Pressure Thrust at DESIGN Pressure (lbs.)
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