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CSA S16 Verification
Verification of the Canadian CSA S16 design engine against S-FRAME and STAAD.Pro benchmarks.
Benchmark Cases
33
Textbook Verified
Avg. Difference
0.10%
vs. Ref Sources
Check Coverage
6
Resistance Modes
Sections Supported
6
Shape Families
Verification Methodology
The CSA S16 design engine is rigorously verified against standard industry benchmarks. Our primary verification suites include S-FRAME CSA S16-14 Design Examples and STAAD.Pro CSA S16-19 Verification Manual.
- Standard Adherence: Logic follows CSA S16:19 (and S16-14) for all member resistance and stability checks.
- Automated Testing: Over 130 unit tests covering cross-section classification, member capacity, and combined effects.
- Industry Cross-Check: Results compared against major FEA packages to ensure consistent and reliable design outputs.
Benchmark Results
| Description | Section | Expected | Result | Difference |
|---|---|---|---|---|
Major-axis compression resistance (W360x134, KL=9000)S-FRAME CSA S16-14 Example E.1D | W360x134 | 3940 kN | 3955 kN | 0.38% |
HSS compression resistance (HSS305x203x9.5, K=0.8, L=6000)S-FRAME CSA S16-14 Example E.9 | HSS305x203x9.5 | 2116 kN | 2114 kN | 0.08% |
Lambda intermediate (HSS305x203x9.5)S-FRAME CSA S16-14 Example E.9 | HSS305x203x9.5 | 0.772 | 0.771 | 0.11% |
Minor-axis compression governs (W360x196, KL=9000)S-FRAME CSA S16-14 Example E.1C | W360x196 | 3608 kN | 3602 kN | 0.16% |
Tension yield resistance, no bolt holes (W200x31)S-FRAME CSA S16-14 Example D.1 | W200x31 | 1250.6 kN | 1250.6 kN | 0.00% |
Tension yield resistance (L102x102x13, Fy=300)S-FRAME CSA S16-14 Example D.2 | L102x102x13 | 653.4 kN | 653.4 kN | 0.00% |
Tension rupture with bolt holes (W200x31, An=3113, Fu=450)S-FRAME CSA S16-14 Example D.1 | W200x31 | 1050 kN | 1051 kN | 0.06% |
Tension rupture with shear lag (L102x102x13, Ane=1717)S-FRAME CSA S16-14 Example D.2 | L102x102x13 | 579.5 kN | 579.5 kN | 0.00% |
Classification WT180x22.5 Class 4, slender stemS-FRAME CSA S16-14 Example E.8 | WT180x22.5 | Class 4 | Class 4 | 0.00% |
Classification WT180x50.5 non-slender (Class 3)S-FRAME CSA S16-14 Example E.7 | WT180x50.5 | Class 3 | Class 3 | 0.00% |
Flexural resistance, Class 1 continuously braced (W460x74)S-FRAME CSA S16-14 Example F.1-1B | W460x74 | 512.3 kNm | 512.3 kNm | 0.00% |
Flexural resistance, Class 3 channel (C380x50)S-FRAME CSA S16-14 Example F.2-1B | C380x50 | 216.4 kNm | 216.4 kNm | 0.00% |
Flexural resistance, Class 3 (W530x72)S-FRAME CSA S16-14 Example F.3B | W530x72 | 475.1 kNm | 475.1 kNm | 0.01% |
Flexural resistance, Class 2 HSS (HSS254x152x4.8)S-FRAME CSA S16-14 Example F.7B | HSS254x152x4.8 | 99.9 kNm | 99.9 kNm | 0.05% |
LTB resistance, braced at third points (W460x74, Lb=3333)S-FRAME CSA S16-14 Example F.1-2B | W460x74 | 467.9 kNm | 467.9 kNm | 0.00% |
Mu intermediate (W460x74, Lb=3333)S-FRAME CSA S16-14 Example F.1-2B | W460x74 | 744.5 kNm | 744.5 kNm | 0.01% |
LTB resistance, Class 3, top-flange loading (W250x49, Lb=5160)S-FRAME CSA S16-14 Example H.4 | W250x49 | 147 kNm | 146.6 kNm | 0.29% |
Shear resistance W-shape (W610x92)S-FRAME CSA S16-14 Example G.1B | W610x92 | 1366 kN | 1366 kN | 0.03% |
Shear resistance channel (C250x37)S-FRAME CSA S16-14 Example G.2B | C250x37 | 606.5 kN | 606.5 kN | 0.00% |
Shear resistance RHS (HSS152x102x9.5)S-FRAME CSA S16-14 Example G.4 | HSS152x102x9.5 | 451 kN | 451 kN | 0.06% |
Shear resistance W-shape STAAD (W530x82)STAAD.Pro CSA S16-19 Verification | W530x82 | 1043 kN | 1043 kN | 0.02% |
ω2 center segment, UDL braced at thirds (W460x74)S-FRAME CSA S16-14 Example F.1-2B | W460x74 | 1.01 | 1.01 | 0.41% |
ω2 end segment, UDL braced at thirds (W460x74)S-FRAME CSA S16-14 Example F.1-2B | W460x74 | 1.51 | 1.51 | 0.30% |
Interaction Cf/Cr + Mfx/Mrx + Mfy/Mry (W360x147)S-FRAME CSA S16-14 Example H.2 | W360x147 | 0.957 | 0.957 | 0.02% |
Cross-section interaction ratio (W250x49, U1x=1.013)S-FRAME CSA S16-14 Example H.4 | W250x49 | 0.812 | 0.812 | 0.06% |
Overall member interaction ratio (W250x49)S-FRAME CSA S16-14 Example H.4 | W250x49 | 0.860 | 0.860 | 0.04% |
LTB strength interaction ratio (W250x49, Mr_ltb=147)S-FRAME CSA S16-14 Example H.4 | W250x49 | 0.965 | 0.965 | 0.09% |
Compression major axis, short member STAAD (W250x73, L=1100)STAAD.Pro CSA S16-19 Verification | W250x73 | 2914 kN | 2913 kN | 0.02% |
Compression minor axis, short member STAAD (W250x73, L=1100)STAAD.Pro CSA S16-19 Verification | W250x73 | 2884 kN | 2883 kN | 0.03% |
Tee flexural X-axis compression (WT180x50.5, L=6000)S-FRAME CSA S16-14 Example E.7 | WT180x50.5 | 581.6 kN | 579.9 kN | 0.29% |
Fe_x intermediate (WT180x50.5, KL/rx=130)S-FRAME CSA S16-14 Example E.7 | WT180x50.5 | 116.8 MPa | 116.5 MPa | 0.23% |
Effective area for Class 4 slender stem (WT180x22.5)S-FRAME CSA S16-14 Example E.8 | WT180x22.5 | 2511 mm² | 2511 mm² | 0.01% |
FTB compression with Class 4 Ae (WT180x22.5, L=6000)S-FRAME CSA S16-14 Example E.8 | WT180x22.5 | 154 kN | 154 kN | 0.01% |
This verification page is for informative purposes only. Benchmarks are periodically updated to align with the latest software patches.