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9th Ed AISC Stress Check
3 Plt Girder (top 28 ft level)9th Ed. AISC STRESS CHECK Job No.Page:3 Plate Beam-Column Prepared by:Rev. 14 (03-22-05)Prepared by:Location:0.18750.250.31250.50.6250.7511.1251.251.5Input data indicated in blueGo to the right for additional data & info ->Lc20.18750.1250.1250.1250.1250.1250.18750.18750.18750.18750.1875INPUT DATAMEMBER DATASERVICEABILITY DATAAllowablesPROPERTIEScompactnon-comp.slendercompactnon-compslender30.250.1250.1250.1250.1250.1250.18750.18750.250.250.25Axial Load(+ = Comp)1.00KipsFy =50bf (In.)6.00Avg bay space(ft.)3DLL: L/360Web D11.25fbx =5.23ksi33.0033.8425.8625.8625.8630.0040.31250.1250.1250.18750.18750.18750.18750.18750.250.250.3125'X' Axis Moment =151.92Kip-In.Fu =65tf (In.)0.3750Wt. Of conc., joists & deck (psf)45DD+L: L/240Afe2.252.252.16fa =0.15ksi0.66FyF1-4A-B5-3,4F1-6,7,8F1-6,7,80.6FyQs50.3750.1250.1250.18750.18750.18750.18750.18750.250.250.3125'Y' Axis Moment =0.00Kip-In.Cmx =1.00tw (In.)0.1875Collateral load (psf)10Dconc: L/360Full Ix174.3376.043022.25fby =0.00ksi25.8625.8660.50.1250.1250.18750.18750.18750.18750.18750.250.250.3125Shear Load =2.53KipsCmy =1.00d (In.)12.00Floor live (psf)125or1Full Sx29.06fv =1.20ksiflange_comweb_com.d/tw-LmtLc-Lmt70.6250.1250.1250.18750.18750.250.250.250.250.250.3125Unsupported Lx =20.00Ft.Kx =1.0IX =OKAvg. concrete depth (in.)3.22Concrete:10Eff Ix174.330KL/rx =46.73lb>lcyy89.4964.4980.750.18750.18750.18750.18750.250.250.250.250.250.3125Unsupported Ly =10.00Ft.Ky =1.0Bolt Diam in Flg (In.)0accumul.%Eff Sx29.06(VPC uses act hole diam.)KL/ry =83.96section_comn25.8562359607Unsupported Lb =10.00Ft.Cb =1.00Stiff Spacing (Ft.)99.0= 99 if noneFull Iy13.50L/rt =67.65PG_limit(Rpg)2Stress Increase =1Max. for Tension Field =2.81 ft.Area6.61Lc =64.49SVi =0.3665552382ft3 =2.2767406102%OKFlange Width =6 InchesArea (in2) =6.61Qs =1.00(Table B5.1)accumulationIncremental bending moment due to concrete ponding:Flange Thickness =0.375 InchesFull Ix (in4) =174.3Qa =1.00(Eq. A-B5-8 & 10)Minc =2.03in-k =1.33%Web Thickness =0.1875 InchesEff. Ix (in4) =174.3rx =5.14Add 1997 AISC Seismic Provisions Part III, Section 4.3Total Depth =12 InchesEff. Sx (in3) =29.06ry =1.43Loading TypefFlange to Web Weld =1/8 in.Iy (in4) =13.50requiv =1.77Tension/Yielding0.90one sideSy (in3) =4.50Compression/Buckling0.85Phi factorsRESULTSFlexure/Yielding0.90as shown in the tableACTUAL STRESSESALLOWABLE STRESSESShear/Yielding0.90except for VPC 3.0fa =0.15ksiFa =18.21ksi (Eq. A-B5-11)Weld/Fillet/Shear0.75(Phi=0.75 all cases)fbx =5.23ksiFbx =25.86ksi (Eq. F1-6)fby =0.00ksiFby =37.50ksi (Eq. F2-1)fv =1.20ksiFv =17.90ksi (Eq. F4-2)AISC SPECIFICATION CHECKCombined Stress Ratio =0.21OKMember Weight =22lbs/ft.(Chap. H, Eq. H1-3)MAX Slender Ratio =84.0< 200Shear Stress Ratio =0.07OKNo stiff's required.Comb. Shear & Tension Stress =0.00Lc20.18750.1250.1250.1250.1250.1250.18750.18750.18750.18750.1875INPUT DATAMEMBER DATASERVICEABILITY DATAAllowablesPROPERTIEScompactnon-comp.slendercompactnon-compslender30.250.1250.1250.1250.1250.1250.18750.18750.250.250.25Axial Load(+ = Comp)1.00KipsFy =50bf (In.)6.00Avg bay space(ft.)3DLL: L/360Web D11.25fbx =8.30ksi33.0033.8425.8625.8625.8630.0040.31250.1250.1250.18750.18750.18750.18750.18750.250.250.3125'X' Axis Moment =241.08Kip-In.Fu =65tf (In.)0.3750Wt. Of conc., joists & deck (psf)45DD+L: L/240Afe2.252.252.16fa =0.15ksi0.66FyF1-4A-B5-3,4F1-6,7,8F1-6,7,80.6FyQs50.3750.1250.1250.18750.18750.18750.18750.18750.250.250.3125'Y' Axis Moment =0.00Kip-In.Cmx =1.00tw (In.)0.1875Collateral load (psf)10Dconc: L/360Full Ix174.3376.043022.25fby =0.00ksi25.8625.8660.50.1250.1250.18750.18750.18750.18750.18750.250.250.3125Shear Load =4.02KipsCmy =1.00d (In.)12.00Floor live (psf)125or1Full Sx29.06fv =1.90ksiflange_comweb_com.d/tw-LmtLc-Lmt70.6250.1250.1250.18750.18750.250.250.250.250.250.3125Unsupported Lx =20.00Ft.Kx =1.0IX =OKAvg. concrete depth (in.)3.22Concrete:10Eff Ix174.330KL/rx =46.73lb>lcyy89.4964.4980.750.18750.18750.18750.18750.250.250.250.250.250.3125Unsupported Ly =10.00Ft.Ky =1.0Bolt Diam in Flg (In.)0accumul.%Eff Sx29.06(VPC uses act hole diam.)KL/ry =83.96section_comn25.8562359607Unsupported Lb =10.00Ft.Cb =1.00Stiff Spacing (Ft.)99.0= 99 if noneFull Iy13.50L/rt =67.65PG_limit(Rpg)2Stress Increase =1Max. for Tension Field =2.81 ft.Area6.61Lc =64.49SVi =0.3665552382ft3 =2.2767406102%OKFlange Width =6 InchesArea (in2) =6.61Qs =1.00(Table B5.1)accumulationIncremental bending moment due to concrete ponding:Flange Thickness =0.375 InchesFull Ix (in4) =174.3Qa =1.00(Eq. A-B5-8 & 10)Minc =2.03in-k =0.84%Web Thickness =0.1875 InchesEff. Ix (in4) =174.3rx =5.14Add 1997 AISC Seismic Provisions Part III, Section 4.3Total Depth =12 InchesEff. Sx (in3) =29.06ry =1.43Loading TypefFlange to Web Weld =1/8 in.Iy (in4) =13.50requiv =1.77Tension/Yielding0.90one sideSy (in3) =4.50Compression/Buckling0.85Phi factorsRESULTSFlexure/Yielding0.90as shown in the tableACTUAL STRESSESALLOWABLE STRESSESShear/Yielding0.90except for VPC 3.0fa =0.15ksiFa =18.21ksi (Eq. A-B5-11)Weld/Fillet/Shear0.75(Phi=0.75 all cases)fbx =8.30ksiFbx =25.86ksi (Eq. F1-6)fby =0.00ksiFby =37.50ksi (Eq. F2-1)fv =1.90ksiFv =17.90ksi (Eq. F4-2)AISC SPECIFICATION CHECKCombined Stress Ratio =0.33OKMember Weight =22lbs/ft.(Chap. H, Eq. H1-3)MAX Slender Ratio =84.0< 200Shear Stress Ratio =0.11OKNo stiff's required.Comb. Shear & Tension Stress =0.00