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span (ft)
spacing
load of least duration
wet service conditions?
ft
in.
Live load,L
Dead load,D
Snow load,S
Construction load,Lr
Wind or seismic load,WorE
Impact load,I
yes
no
species
live load (psf)
dead load (psf)
Douglas Fir-Larch
Douglas Fir-Larch (North)
Douglas Fir-South
Hem-Fir
Hem-Fir (North)
Spruce-Pine-Fir
Spruce-Pine-Fir (South)
Southern Pine
based on 2005 NDS
based on 2012 NDS
grade
Select structural
No. 1
No. 2
No. 3
Misc.
""
allow. live load deflection = span/
allow. total load deflection = span/
Load type
Mmax (ft-lb)
Vmax (lb)*
Lightest choice
Next-lightest
Design criteria (these do not apply to alternate method below):
reduction coeff:
live load (psf) used:
yes
no
yes
no
yes
no
yes
no
continuous
at supports & point loads
""
ft-lb
in-lb
ft-kips
in-kips
lb
kips
Checks:
errors:
selected grade does not exist
span must be greater than 0
spacing must be greater than 0
live load must be greater or equal to 0
dead load must be greater or equal to 0
LL defl. demoninator must be greater than 0
TL defl. denominator must be greater than 0
alternative method errors:
selected grade does not exist
Alternative moment must be greater than 0
Alternative shear must be greater than 0
warnings:
""
""
""
""
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