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ASCE 7-22 Load Combinations

LRFD combinations (§2.3.1) · ASD combinations (§2.4.1) · Dead, live, roof live, snow, wind, earthquake · Governing combination highlighted

Characteristic (Unfactored) Load Values

LRFD Combinations — §2.3.1

CombinationRefResultStatus
Governing LRFD—

ASD Combinations — §2.4.1

CombinationRefResultStatus
Governing ASD—

Code References

§2.3.1LRFD: 1.4D | 1.2D+1.6L+0.5(Lr or S or R) | 1.2D+1.6S+(L or 0.5W) | 1.2D+1.0W+L+0.5S | 0.9D+1.0W | 0.9D+1.0E
§2.4.1ASD: D | D+L | D+0.75L+0.75(Lr or S) | D+0.6W | D+0.7E | 0.6D+0.6W | 0.6D+0.7E
IBC 2024 §1605IBC references ASCE 7-22 load combinations directly.

ASCE 7-22 / IBC 2024 ·

Seismic ELF →

Preliminary calculation tool. Load values must be determined per ASCE 7-22 Chapters 3–31. Final design requires review by a licensed PE.