Verification according to CSA S16:24
Check for bending and compression
The utilization ratio for bending moment and compression force is given by:
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Where the factored axial compressive resistance Cr is given by:
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where: | φ | - resistance factor |
A | - area of cross section | |
Fy | - steel yield stress |
and the factored moment resistance Mr is given by:
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where: | S | - elastic section modulus |
Check for shear
For cross-sections that have two flanges and a web between them (I, U, sheet pile types U, Z, L, K, S, NS):
The utilization ratio in shear is determined by:
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where the factored shear resistance Vr is calculated as follows:
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where: | Aw | - base area |
Fs | - shear strength of steel |
Q | - design shear force |
For other cross-sections (CHS, sheet pile type I, O):
The utilization ratio for shear is determined by:
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where: | τ | - maximum shear stress on the cross-section |
State of plane stress verification:
Equivalent stress is provided by:
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where: | σx | - normal stress at the end of the web (base area) |
τ | - shear stress at the end of the web (base area) |
The utilization ratio is determined by:
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