Structural Calcs REVCOMPANY
Whetstone Engineering
Feb. 21, 2013 16:07
PROJECT
100 Emersron Way
Steve Ferrari
Beam2-2.wwb
Design Check Calculation Sheet
Sizer 2004a
LOADS ( lbs, psf, or plf ):
Load Type Distribution Magnitude Location [ft] Pat-
Start End Start End tern
d1 Dead Full Area 15.00 (6.67)* No
d2 Dead Full Area 15.00 (6.67)* No
d3 Dead Full Area 12.00(15.50)* No
d4 Dead Full Area 12.00 (1.50)* No
l1 Live Full Area 40.00 (6.67)* No
l2 Live Full Area 40.00 (6.67)* No
s1 Snow Full Area 28.00(15.50)* No
s2 Snow Full Area 28.00 (1.50)* No
*Tributary Width (ft)
MAXIMUM REACTIONS (lbs) and BEARING LENGTHS (in) :
15'0'
Dead 3030 3030
Live 5677 5677
Total 8707 8707
Bearing:
LC number 3 3
Length 3.32 3.32
LVL n-ply, 2.0E, 2800Fb, 1-3/4x16", 2-Plys
Lateral support: top= full, bottom= at supports; Load combinations: ICC-IBC;
Analysis vs. Allowable Stress (psi) and Deflection (in)using NDS 2001 :
Criterion Analysis Value Design Value Analysis/Design
Shear fv = 192 Fv' = 328 fv/Fv' = 0.59
Bending(+) fb = 2624 Fb' = 3220 fb/Fb' = 0.81
Live Defl'n 0.36 = L/498 0.38 = L/480 0.96
Total Defl'n 0.65 = L/277 0.75 = L/240 0.87
ADDITIONAL DATA:
FACTORS: F CD CM Ct CL CV Cfu Cr Cfrt Ci Cn LC#
Fb'+ 2800 1.15 - 1.00 1.000 1.00 - 1.00 1.00 - - 3
Fv' 285 1.15 - 1.00 - - - - 1.00 - 1.00 3
Fcp' 750 - - 1.00 - - - - 1.00 - - -
E' 2.0 million - 1.00 - - - - 1.00 - - 3
Bending(+): LC# 3 = D+.75(L+S), M = 32653 lbs-ft
Shear : LC# 3 = D+.75(L+S), V = 8707, V design = 7159 lbs
Deflection: LC# 3 = D+.75(L+S) EI= 1195e06 lb-in2/ply
Total Deflection = 1.50(Dead Load Deflection) + Live Load Deflection.
(D=dead L=live S=snow W=wind I=impact C=construction CLd=concentrated)
(All LC's are listed in the Analysis output)
DESIGN NOTES:
1. Please verify that the default deflection limits are appropriate for your application.
2. SCL-BEAMS (Structural Composite Lumber): the attached SCL selection is for preliminary design only. For final member design contact your local SCL
manufacturer.
3. Size factors vary from one manufacturer to another for SCL materials. They can be changed in the database editor.
4. BUILT-UP SCL-BEAMS: contact manufacturer for connection details when loads are not applied equally to all plys.
COMPANY
Whetstone Engineering
Feb. 21, 2013 18:11
PROJECT
100 Emersron Way
Steve Ferrari
Hip.wwb
Design Check Calculation Sheet
Sizer 2004a
LOADS ( lbs, psf, or plf ):
Load Type Distribution Magnitude Location [ft] Pat-
Start End Start End tern
d1 Dead Triangular 0.0 186.0 3.00 22.00 No
s1 Snow Triangular 0.0 434.0 3.00 22.00 Yes
MAXIMUM REACTIONS (lbs) and BEARING LENGTHS (in) :
24'-3.8"
22'0'
Dead 547 1406
Live 1154 2969
Total 1701 4375
Bearing:
LC number 2 2
F'theta 0 0
Length 0.00 0.00
LVL n-ply, 2.0E, 2800Fb, 1-3/4x16", 2-Plys
Pitch: 5.6/12; Total length: 24'-3.8";
Lateral support: top= full, bottom= full; Load combinations: ICC-IBC;
Analysis vs. Allowable Stress (psi) and Deflection (in)using NDS 2001 :
Criterion Analysis Value Design Value Analysis/Design
Shear fv = 87 Fv' = 328 fv/Fv' = 0.27
Bending(+) fb = 1370 Fb' = 3220 fb/Fb' = 0.43
Live Defl'n 0.50 = L/589 1.08 = L/270 0.46
Total Defl'n 0.85 = L/344 1.22 = L/240 0.70
ADDITIONAL DATA:
FACTORS: F CD CM Ct CL CV Cfu Cr Cfrt Ci Cn LC#
Fb'+ 2800 1.15 - 1.00 1.000 1.00 - 1.00 1.00 - - 2
Fv' 285 1.15 - 1.00 - - - - 1.00 - 1.00 2
Fcp' 750 - - 1.00 - - - - 1.00 - - -
E' 2.0 million - 1.00 - - - - 1.00 - - 2
Bending(+): LC# 2 = D+S, M = 17046 lbs-ft
Shear : LC# 2 = D+S, V = 3915, V design = 3257 lbs
Deflection: LC# 2 = D+S EI= 1195e06 lb-in2/ply
Total Deflection = 1.50(Dead Load Deflection) + Live Load Deflection.
Bearing: Allowable bearing at an angle F'theta calculated for each support
as per NDS 3.10.3
(D=dead L=live S=snow W=wind I=impact C=construction CLd=concentrated)
(All LC's are listed in the Analysis output)
(Load Pattern: s=S/2, X=L+S or L+C, _=no pattern load in this span)
DESIGN NOTES:
1. Please verify that the default deflection limits are appropriate for your application.
2. SCL-BEAMS (Structural Composite Lumber): the attached SCL selection is for preliminary design only. For final member design contact your local SCL
manufacturer.
3. Size factors vary from one manufacturer to another for SCL materials. They can be changed in the database editor.
4. BUILT-UP SCL-BEAMS: contact manufacturer for connection details when loads are not applied equally to all plys.
5. SLOPED BEAMS: level bearing is required for all sloped beams.