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Project:Jerabek page <br /> Location:6'roof bm @ coy entry(pt 4x8 df2) ;E ga4 AmericanHomePlanners <br /> Roof Beam 2812 Colby Avenue of <br /> [2012 International Building Code(2012 NDS)] Everett WA 98201 <br /> 3.5 INx7.25INx6.0FT <br /> - #2-Douglas-Fir-Larch-Wet Use StruCalc Version 9.0.1.0 12/15/2014 3:31:39 PM <br /> Section Adequate By:28.1% <br /> Controlling Factor:Moment <br /> DEFLECTIONS Center LOADING DIAGRAM <br /> Live Load 0.05 IN L/1318 <br /> Dead Load 0.04 in <br /> Total Load 0.09 IN L/780 <br /> Live Load Deflection Criteria:L/240 Total Load Deflection Criteria:L/180 <br /> REACTIONS A B <br /> Live Load 900 lb 900 lb <br /> Dead Load 620 lb 620 lb <br /> Total Load 1520 lb 1520 lb <br /> Bearing Length 1.04 in 1.04 in <br /> BEAM DATA. I----- --------------.-------------- = ' <br /> Span Length 6 ft <br /> Unbraced Length Top 0 ft —Bn— — — -- — _ <br /> Unbraced Length-Bottom 0 ft <br /> Roof Pitch 6 :12 <br /> Roof Duration Factor 1.15 <br /> ROOF LOADING <br /> MATERIAL PROPERTIES Side One: <br /> #2-Douglas-Fir-Larch Roof Live Load: LL= 25 psf <br /> Base Values Adiusted Roof Dead Load: DL= 15 psf <br /> Bending Stress: Fb= 900 psi Fb'= 1144 psi Tributary Width: TW= 12 ft <br /> Cm=0.85 CF=1.30 Side Two: <br /> Shear Stress: Fv= 180 psi Fv'= 201 psi Roof Live Load: LL= 25 psf <br /> Cd=1.15 Cm=0.97 Roof Dead Load: DL= 15 psf <br /> Modulus of Elasticity: E= 1600 ksi E'= 1440 ksi Tributary Width: TW= 0 ft <br /> Cm=0.90 <br /> Comp.-I-to Grain: Fc-1= 625 psi Fc-1'= 419 psi Wall Load: WALL= 0 <br /> Cm=0.67 plf <br /> Controlling Moment: 2280 ft-lb SLOPE/PITCH ADJUSTED LENGTHS AND LOADS <br /> Adjusted Beam Length: Ladj= 6 ft <br /> 3.0 ft from left support Beam Self Weight: BSW= 6 plf <br /> Created by combining all dead and live loads. Beam Uniform Live Load: wL= 300 plf <br /> Controlling Shear: 1520 lb Beam Uniform Dead Load: wD_adj= 207 plf <br /> At support. Total Uniform Load: wT= 507 plf <br /> Created by combining all dead and live loads. <br /> Comparisons with required sections: Req'd Provided <br /> Section Modulus: 23.93 in3 30.66 in3 <br /> Area(Shear): 11.36 in2 25.38 in2 <br /> Moment of Inertia(deflection): 25.65 in4 111.15 in4 <br /> Moment: 2280 ft-lb 2922 ft-lb <br /> Shear: 1520 lb 3397 lb <br />