Specifications A4552-0/4 — 3 �/ L
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Title: Job#
Dsgnr: Date: 8:16AM, 12 MAY 16
Description:
Scope:
Rev. 580004
User KW 0603830,Ver 5.80,1-Dec-2003 General Timber Beam
(c)1983-2003 ENERCALC Engineering Software Page 1
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Description New window headers
General Information Code Ref 1997/2001 NDS,2000/2003 IBC,2003 NFPA 5000.Base allowables are user defined (s
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Section Name 4x8 Center Span 6.25 ft Lu 0.00 ft
Beam Width 3.500 in Left Cantilever ft Lu 0.00 ft
Beam Depth 7.250 in Right Cantilever ft Lu 0.00 ft
Member Type Sawn Douglas Fir-Larch(North), No. 1/No.2
Fb Base Allow 850.0 psi
Load Dur. Factor 1.150 Fv Allow 180.0 psi
Beam End Fixity Pin-Pin Fc Allow 625.0 psi
E 1,600.0 ksi
Full Length Uniform Loads
l Sw., '0Y`i;L4k;ncN,p;155 1P,15')k�.'.0 vis d..,'5)iii.X Y ;r7 a rr.dw'ctT<4+wY rim^.i'v-ms43'+4"w,lKa..4.• '.k+ R'k'SMs'at x,"W yet<a n: �4 ,.Ra?-i..Rhe r.,T',i'.:o" ,x,;5ry5fi 'IP'74Sg r;M i4w,.�d.9.+-,,af@lPllhVq ..�.�i1:4.vc,any
Center DL 180.00#/ft LL 300.00 #/ft
Left Cantilever DL • #/ft LL #/ft
Right Cantilever DL #/ft LL #/ft
Summary
1` -, ,,,, Ufa`�: Beam Design OK
Span=6.25ft, Beam Width=3.500in x Depth=7.25in, Ends are Pin-Pin
Max Stress Ratio 0.722 : 1
Maximum Moment 2.3 k-ft Maximum Shear* 1.5 1.8 k
Allowable 3.2 k-ft Allowable 5.3 k
Max. Positive Moment 2.34 k-ft at 3.125 ft Shear: @ Left 1.50 k
Max.Negative Moment 0.00 k-ft at 0.000 ft @ Right 1.50 k
Max @ Left Support 0.00 k-ft Camber: @ Left 0.000 in
Max @ Right Support 0.00 k-ft @ Center 0.052 in
Max.M allow 3.25 @ Right 0.000 in
Reactions...
fb 917.27 psi fv 71.65 psi Left DL 0.56 k Max 1.50 k
Fb 1,270.75 psi Fv 207.00 psi Right DL 0.56 k Max 1.50 k
Deflections
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Center Span... Dead Load Total Load Left Cantilever... Dead Load Total Load
Deflection -0.035 in -0.093 in Deflection 0.000 in 0.000 in
...Location 3.125 ft 3.125 ft ...Length/Deft 0.0 0.0
...Length/Defl 2,158.3 809.37 Right Cantilever...
Camber(using 1.5*D.L.Defl)... Deflection 0.000 in 0.000 in
@ Center 0.052 in ...Length/Defl 0.0 0.0
@ Left 0.000 in
@ Right 0.000 in
IStress Calcs
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Bending Analysis
Ck 32.811 Le 0.000 ft Sxx 30.661 in3 Area 25.375 in2
Cf 1.300 Rb 0.000 CI 0.000
Max Moment Sxx Req'd Allowable fb
@ Center 2.34 k-ft 22.13 in3
@ Left Support 0.00 k-ft 1,270.75 psi
0.00 in3 1,270.75 psi
@ Right Support 0.00 k-ft 0.00 in3 1,270.75 psi
Shear Analysis @ Left Support @ Right Support
Design Shear 1.82 k 1.82 k
Area Required 8.783 in2 8.783 in2
Fv:Allowable 207.00 psi 207.00 psi
Bearing @ Supports
Max. Left Reaction 1.50 k Bearing Length Req'd 0.686 in
Max.Right Reaction 1.50 k Bearing Length Req'd 0.686 in
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