RAM Concept Help

Ultimate Wind LC: 1.35ξ D + 0.9H + 1.5ψ0 L + 0.75S + 1.5W

This load combination is intended for checking the strength limit state in accordance with Exp. (6.10b) in Table A1.2 (B). The wind load is treated as the leading action and all other variable loads are treated as accompanying actions. The load factors used are:

Hyperstatic Loading: 0.9 (std) & 1.1 (alt)

Dead Loading: 1.25 (std) & 1.0 (alt) (UK National Annex, ξ = 0.925)

Dead Loading: 1.15 (std) & 1.0 (alt) (Generic National Annex, ξ = 0.85)

Live (Reducible) Loading: 1.05 (std) & 0.0 (alt)

Live (Unreducible) Loading: 1.05 (std) & 0.0 (alt)

Live (Storage) Loading: 1.5 (std) & 0.0 (alt)

Live (Parking) Loading: 1.05 (std) & 0.0 (alt)

Snow Loading: 0.75 (std) & 0.0 (alt)

Wind-Service Loading: 1.5 (std) & -1.5 (alt)

Note: For mats / rafts this combination is broken into several combinations as no alternate factors are used