Free Web Tool

Load Combinations

Enter your unfactored loads (D, L, L_r, S, R, W, E) and instantly see every ASCE 7 / NSCP LRFD & ASD load combination — controlling case highlighted.

Loads

Method

L threshold

D (Dead)

L (Live)

L_r (Roof Live)

S (Snow)

R (Rain)

W (Wind)

E (Seismic)

F (Fluid)

About

Loads should all use the same units & sign convention. Wind W and Seismic E are evaluated for both signs. NSCP 2015 Sec. 203 mirrors ASCE 7-10 combinations.

Combination Results

MethodLRFD

Controlling Combination—

Max Demand—

#	Combination	Value