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a <br /> Project: Kreger_Myers page <br /> Jeff Miller <br /> Location: RR#01 Rear Covered Patio Rafters JM Consulting&Design or ' <br /> Roof Rafter 14137 105th Avenue NE <br /> [2015 International Building Code(2015 NDS)] Kirkland,WA.98034 <br /> 1.5 IN x 7.25 IN x 13.08 FT(11.8+1.3)@ 24 O.C. StruCalc Version 10.0.1.6 10/27/2017 11:13:14 AM <br /> #2-Douglas-Fir-Larch(North)-Dry Use <br /> Section Adequate By:2.1% <br /> Controlling Factor:Moment <br /> DEFLECTIONS Center Right LOADING DIAGRAM <br /> Live Load 0.38 IN L/433 0.01 IN 2L/4866 <br /> Dead Load 0.25 in 0.00 in <br /> Total Load 0.63 IN L/259 0.00 IN 2L/Infinity <br /> Live Load Deflection Criteria: L/240 Total Load Deflection Criteria: L/180 <br /> REACTIONS A <br /> Live Load 294 lb 364 lb <br /> Dead Load 201 lb 253 lb <br /> Total Load 495 lb 617 lb <br /> Bearing Length 0.53 in 0.66 in <br /> SUPPORT LOADS A <br /> Live Load 147 plf 182 plf a <br /> Dead Load 101 plf 127 plf - 1175ft - r33ftH <br /> Total Load 248 plf 309 plf <br /> MATERIAL PROPERTIES <br /> #2-Douglas-Fir-Larch(North) RAFTER DATA Interior Eave <br /> Base Values Adjusted Span Length 11.75 ft 1.33 ft <br /> Bending Stress: Fb= 850 psi Fb'= 1349 psi Rafter Pitch 7 :12 <br /> Cd=1.15 CF=1.20 Cr-1.15 Roof sheathing applied to top of joists-top of rafters fully braced. <br /> Shear Stress: Fv= 180 psi Fv'= 207 psi Roof Duration Factor 1.15 <br /> Cd=1.15 Peak Notch Depth 0.00 <br /> Modulus of Elasticity: E= 1600 ksi E'= 1600 ksi Base Notch Depth 0.00 <br /> Comp.1 to Grain: Fc-1= 625 psi Fc-1'= 625 psi RAFTER LOADING <br /> Controlling Moment: 1447 ft-lb Uniform Roof Loading <br /> 5.874 Ft from left support of span 2(Center Span) Roof Live Load: LL= 25 psf <br /> Created by combining all dead loads and live loads on span(s)2 Roof Dead Load: DL= 15 psf <br /> Controlling Shear: 401 Ib Slope Adjusted Spans And Loads <br /> At a distance d from right support of span 2(Center Span) Interior Span: L-adj= 13.6 ft <br /> Created by combining all dead loads and live loads on span(s)2,3 Eave Span: L-Eave-adj= 1.54 ft <br /> Interior Live Load: wL-adj= 37 plf <br /> Comparisons with required sections: Req'd Provided Eave Live Load: wL-Eave-adj= 37 plf <br /> Section Modulus: 12.87 in3 13.14 in3 Interior Dead Load: wD-adj= 26 plf <br /> Area(Shear): 2.91 in2 10.88 in2 Eave Dead Load: wD-Eave-adj= 26 plf <br /> Moment of Inertia(deflection): 33.14 in4 47.63 in4 Interior Total Load: wT-adj= 63 plf <br /> Moment: 1447 ft-lb 1477 ft-lb Eave Total Load: wT-Eave-adj= 63 plf <br /> Shear: -401 lb 1501 lb <br /> NOTES <br /> (2)/ <br />