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' BURT ENGINEERING PLLC Project Title: <br /> 18530 Meridian Ave N Engineer: <br /> Shoreline,WA 98133 Project ID: <br /> 206 779 6856 Project Descr: <br /> cb@burtengineering.com <br /> Printed 10 JUL 2020, 2:24AM <br /> File:heredia.ec6 <br /> Wood Beam <br /> Software copyright ENERCALC,INC.1983-2020,Build:12.20.5.31 <br /> Lic.#:KW-06007583 BURT ENGINEERING PLLC <br /> DESCRIPTION: RB1 -trusses bearing <br /> CODE REFERENCES <br /> Calculations per NDS 2015, IBC 2015,CBC 2016,ASCE 7-10 <br /> Load Combination Set: IBC 2018 <br /> Material Properties <br /> Analysis Method: Allowable Stress Design Fb+ 2400 psi E:Modulus of Elasticity <br /> Load Combination IBC 2018 Fb- 1850 psi Ebend-xx 1800 ksi <br /> Fc-PrIl 1650 psi Eminbend-xx 950 ksi <br /> Wood Species : DF/DF Fc-Perp 650 psi Ebend-yy 1600 ksi <br /> Wood Grade :24F-V4 Fv 265 psi Eminbend-yy 850 ksi <br /> Ft 1100 psi Density 31.21 pcf <br /> Beam Bracing : Beam is Fully Braced against lateral-torsional buckling <br /> D(0.36)S(0.6) <br /> a o <br /> j 5.5x12 <br /> Span=15.0 ft <br /> Applied Loads Service loads entered.Load Factors will be applied for calculations. <br /> Uniform Load: D=0.0150, S=0.0250 ksf, Tributary Width=24.0 ft <br /> DESIGN SUMMARY Design OK <br /> Maximum Bending Stress Ratio = 0.889 1 Maximum Shear Stress Ratio = 0.466 : 1 <br /> Section used for this span 5.5x12 Section used for this span 5.5x12 <br /> = 2,454.55 psi = 142.14 psi <br /> = 2,760.00 psi = 304.75 psi <br /> Load Combination +D+S Load Combination +D+S <br /> Location of maximum on span = 7.500ft Location of maximum on span = 14.015 ft <br /> Span#where maximum occurs = Span#1 Span#where maximum occurs = Span#1 <br /> Maximum Deflection <br /> Max Downward Transient Deflection 0.482 in Ratio= 373>=360 <br /> Max Upward Transient Deflection 0.000 in Ratio= 0<360 <br /> Max Downward Total Deflection 0.772 in Ratio= 233>=180 <br /> Max Upward Total Deflection 0.000 in Ratio= 0<180 <br /> Maximum Forces&Stresses for Load Combinations <br /> Load Combination Max Stress Ratios Moment Values Shear Values <br /> Segment Length Span# M V Cd C FN C i Cr Cm C t C[ M fb F'b V iv F'v <br /> D Only 0.00 0.00 0.00 0.00 <br /> Length=15.0 ft 1 0.426 0.223 0.90 1.000 1.00 1.00 1 00 1.00 1.00 10.13 920.45 2160.00 2.35 53.30 238.50 <br /> +D+S 1.000 1.00 100 100 1.00 1.00 0.00 0.00 0.00 0.00 <br /> Length=15.0 ft 1 0.889 0.466 1.15 1.000 1.00 1.00 1.00 1.00 1.00 27.00 2,454.55 2760.00 6.25 142.14 304.75 <br /> +D+0.750S 1.000 1.00 1.00 100 1.00 1.00 0.00 0.00 0.00 0.00 <br /> Length=15.0 ft 1 0.750 0.394 1 15 1.000 1.00 1.00 1.00 1.00 1.00 22.78 2,071.02 2760.00 5.28 119.93 304.75 <br /> +0 60D 1.000 1.00 1.00 1 00 1.00 1.00 0.00 0.00 0.00 0.00 <br /> Length=15.0 ft 1 0.144 0.075 1 60 1.000 1.00 1.00 1.00 1.00 1.00 6.08 552 27 3840.00 1.41 31.98 424.00 <br /> Overall Maximum Deflections <br /> Load Combination Span Max."-"Defl Location in Span Load Combination Max."+"Defl Location in Span <br /> +p+S 1 0.7715 7.555 0.0000 0.000 <br />