Verification › V.07 Section properties
V.07.1IS 808 Section Table against STAAD.Pro
341 of 345 within edition tolerance; 4 named edition differencesProblem
Compare the IS 808:2021 and IS 1161:2014 section properties the STAAD importer uses with STAAD.Pro's own Indian section table.
Reference
- STAAD.Pro V8i SS6 Indian table: every name both tables have on its own member, with PRINT MEMBER PROPERTIES.
Model
- 345 sections: I-sections, channels, angles and pipes
- Compared: AX, IZ, IY, IX, AY, AZ, SZ, SY
Comparison
| Sections | Quantities | Agreement |
|---|---|---|
| I-sections and channels | A, IZ, IY | within 1.1% |
| All | IX (torsion) | within 4% (IS 808:2021 recomputes it) |
| Single angles | A, IY (major principal) | within 3% |
| Single angles | IZ (minor principal) | median 2.8%; STAAD's values come from an older edition |
| Pipes | all | within 0.5% |
| Section | Difference |
|---|---|
| ISLBP200 | A −4.3%, IZ −19.7%: STAAD's ISLBP200 is a different, older section |
| ISMC175H | IY −3.7% |
| ISMC225H | IY −3.7% |
| PIP424M | A +6.2%: IS 1161:2014 wall 3.2 mm, STAAD 3.0 mm |
- 341 of the 345 sections agree within these limits; the other four are listed above.
Reproduce
This is a closed-form or table check with no project file; it runs in the solver test staad_is_sections.rs.
Automated test: staad_is_sections.rs, run on every change.
Run your own models the same way
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