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5/20 <br /> !Project:Golitzin Deck Rebuild page <br /> RD Heide PE <br /> Location:b1 Design Build Services, Inc. <br /> Multi-Loaded Multi-Span Beam 28119 120th St SE of <br /> Multi-Loaded Multi-Span Beam[2018 International Building Code(AISC 14th Ed Monroe,WA 98272 <br /> A992-50 W12x26 x 20.0 FT <br /> Section Adequate By: 17.8% StruCalc Version 11.1.8.0 3/25/2024 4:30:46 PM <br /> Controlling Factor:Deflection <br /> DEFLECTIONS Center LOADING DIAGRAM <br /> Live Load 0.57 IN U424 <br /> Dead Load 0.18 in <br /> Total Load 0.74 IN U323 <br /> Live Load Deflection Criteria: L/360 Total Load Deflection Criteria:L/240 <br /> REACTIONS 9 B <br /> Live Load 8989 lb 10079 lb 3 4 <br /> Dead Load 2736 lb 3102 lb 9 ! ' <br /> Total Load 11725 lb 13181 lb <br /> Bearing Length 0.68 in 0.68 in TR1 TR2 TR3 <br /> BEAM DATA Center W <br /> Span Length 20 ft <br /> Unbraced Length-Top 0 ft 20 ft <br /> Unbraced Length-Bottom 20 ft <br /> STEEL PROPERTIES <br /> W12x26-A992-50 <br /> UNIFORM LOADS Center <br /> Uniform Live Load 0 plf <br /> Properties: Uniform Dead Load 0 plf <br /> Yield Stress: Fy= 50 ksi Beam Self Weight 26 plf <br /> Modulus of Elasticity: E= 29000 ksi Total Uniform Load 26 plf <br /> Depth: d= 12.2 in <br /> Web Thickness: tw= 0.23 in POINT LOADS-CENTER SPAN <br /> Flange Width: bf= 6.49 in Load Number One Two Three Four <br /> Flange Thickness: tf= 0.38 in Live Load 164 lb 792 lb 1037 lb 1493 lb <br /> Distance to Web Toe of Fillet: k= 0.68 in Dead Load 166 lb 365 lb 538 lb 585 lb <br /> Moment of Inertia About X-X Axis: lx= 204 in4 Location 4 ft 6.5 ft 12 ft 18 ft <br /> Section Modulus About X-X Axis: Sx= 33.4 in3 TRAPEZOIDAL LOADS-CENTER SPAN <br /> Plastic Section Modulus About X-X Axis: Zx= 37.2 in3 Load Number One Two Three <br /> Design Properties per AISC 14th Edition Steel Manual:ACI 318-19 . Left Live Load 822 plf 666 plf 822 plf <br /> Flange Buckling Ratio: FBR= 8.54 Left Dead Load 195 plf 152 plf 195 plf <br /> Allowable Flange Buckling Ratio: AFBR= 9.15 Right Live Load 822 plf 666 plf 822 plf <br /> Web Buckling Ratio: WBR= 47.13 Right Dead Load 195 plf 152 plf 195 plf <br /> Allowable Web Buckling Ratio: AWBR= 90.55 Load Start 0 ft 6.5 ft 12 ft <br /> Controlling Unbraced Length: Lb= 0 ft Load End 6.5 ft 12 ft 20 ft <br /> Limiting Unbraced Length- I Load Length 6.5 ft 5.5 ft 8 ft <br /> for lateral-torsional buckling: Lp= 5.33 ft <br /> Nominal Flexural Strength w/safety factor: Mn= 92814 ft-lb <br /> Controlling Equation: F2-1 <br /> Web height to thickness ratio: h/tw= 47.13 <br /> Limiting height to thickness ratio for eqn.G2-2:h/tw-limit= 53.95 (�1. <br /> Cv Factor: Cv= 1 <br /> Controlling Equation: G2-2 <br /> Nominal Shear Strength w/safety factor: Vn= 56120 lb ` ll <br /> 0 Z <br /> Controlling Moment: 60430 ft-lb <br /> 10.6 Ft from left support of span 2(Center Span) <br /> Created by combining all dead loads and live loads on span(s)2 <br /> Controlling Shear: -13181 lb <br /> At right support of span 2(Center Span) <br /> Created by combining all dead loads and live loads on span(s <br /> Comparisons with required sections: Req'd Provided <br /> Moment of Inertia(deflection): 173.22 in4 204 in4 <br /> Moment: 60430 ft-lb 92814 ft-lb <br /> Shear: -13181 lb 56120 lb <br />