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What is Pattern Live-Load Factor Explained about?
The pattern live-load factor (Pllf) accounts for variability in live-load arrangement by approximating its design effect. When a nonzero Pllf is assigned to a frame object, positive design moments are calculated assuming a simply supported condition under live loads. This affects design moments but not analysis moments. Pllf specifies the percentage of live load applied without continuity assumptions, redistributing negative moments similar to yielding redistribution and increasing positive midspan moments.
- Author
- sompongt
- Language
- EN