ASME B31.3 Piping Code Calculation Issues in AutoPIPE


Notes: 

1. Please see the following AutoPIPE help section: 

Help > Contents> Contents Tab> Reference Information> Code Compliance Calculations> select a piping code to see the calculations performed by AutoPIPE.

2. ASME B31. App S: S301, S302, and S303 examples are available in File> Example> Models for review - documents.

Comments, Questions, and Answers

Item #0: Allowable calculation

Item #1: Support loads dues to GR(1) and Gr(2) are different in AutoPIPE model using ASME B31.3, why?

Item #2: Why is the computed ASME B31.3 allowable displacement stress range different in my AutoPIPE Model?

Item #3: All the SIFs calculated automatically by AutoPIPE are in accordance with the manual calculation except for the bends. Why?

Item #4: Can ASME B31.3 in AutoPIPE V8i 09.06.00.15 perform a fatigue analysis on a piping system due to both thermal and pressure?

Item #5: ASME B31.3-2010 Occ Allowable is incorrect in AutoPIPE V8i 09.04.xx.xx, why?

Item #6: Why are AutoPIPE's code stresses results so different in a model analyzed per ASME B31.3 - 2010 compared to ASME B31.3 - 2012?

Item #7: How are the ASME B31.3 longitudinal pressure stress calculated?

Item #8: Does AutoPIPE check branch connection reinforcement area per ASME B31.3, para. 304.3.3?

Item #9: What to enter for the 'Cold Allowable, Min Yield, and Ultimate'. when using ASME B31.3 to model FRP piping?

Item #10: Why isn't the Use Appendix P (B31.3) option available for selection in B31.3 edition 2014 of AutoPIPE?

Item #11: How to calculate ASME B31.3 -2010 Occasional stress (Sus+E1)?

Item #12: Does AutoPIPE have a setting to switch between using ASME B31.3 eq. 3a or eq. 3b?

Item #13: How is the Ec/Eh ratio applied for ASME B31.1 but not for B31.3?

Item #14: Does AutoPIPE perform calculations per ASME B31.3 chapter IX and appendix K

Item #15: Difference of Force and Moment in tee section between B31.3 and B31J

Item #16: Adding a ASME B31E combination into an ASME B31.3 analysis

Item #17: Understand difference in calculated stresses between 2018 and 2020

Item #18: Why stresses are not varying in both Von-Mises & Tresca theory in ASME B31.3?

Item #19: How to calculate the Hoop stress for ASME B31.3-2020?

See Also

Piping Code Calculations

Bentley AutoPIPE