Explain the strength design (lrfd), Civil Engineering

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.

Posted Date: 6/1/2013 1:24:18 AM | Location : United States

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