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Explain the Strength Design (LRFD)
1. γ Factors are applied to loads and φ factors applied to resistance.
2. Unfactored service loads receive a load factor γ > 1.0
3. Resistance values receive a φ < 1.0 factor to reduce anticipated demand
γuMu = 1.2*MDL + 1.6*MLL < φnMn
Where: γuMu is the factored service load
φnMn is the reduced capacity
4. There are cases where load factors may be less than 1.0 when the load may 'help' the analysis.
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