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A or B??

A detailed 3D structural engineering diagram showcasing a steel beam-to-column connection joint. The illustration highlights a central W-section column connected to primary and secondary H-profile steel beams using bolted end-plate moment connections, seat angle brackets, stiffeners, and high-strength bolt groups. The visual breakdown also features an inset calculation for bend deduction (BD) on sheet metal/plate bending details.
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Nominal Axial Load Capacity of Column

Column size = 200 × 300 mm

Longitudinal reinforcement = 6–25 mm Ø

Concrete strength, f′c = 20.7 MPa

Steel strength, fs = 166 MPa

Steel area, Ast = 2,945.2 mm²

Gross area, Ag = 60,000 mm²

Steel ratio, ρg = 0.049

Using the given column capacity formula:

P = 0.85 Ag (0.25f′c + ρgfs)

Therefore, nominal axial load capacity = 678,759 N ≈ 678.8 kN.

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What Force Is Required to Lift This Load?

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