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8-11-20 ROBERT JAMES&ASSOCIATES,Inc. Sht 4 of 6 <br /> Shear Stress: (psi.) fv:= ShrGrd fv=60.05 <br /> A <br /> Torsional Stress: (psi.) ft:= (MtOSWL•12) ft=276.74 <br /> C <br /> Combined Shear Stress: (psi.) fvcomb= (fv+ ft)2+ ft2 fvcomb=435.904 <br /> Unity Check-Pole: UCPoIe:= fb + fvComb UCPoIe=0.416 < 1.00 OK <br /> 30360 18400 <br /> Design ofAnchor Bolts at Grade: <br /> Anchor Bolt Diameter: (in.) AncBltDia= 0.75 <br /> 7r•AncBltDia2 <br /> Stress Area: (in.2) AncBltArea= AncBltArea=0.442 <br /> (Based on nominal diameter perAISC 4-3) 4 <br /> Allowable Tension: (]bs.) AllwTen:= 19140•AncBltArea AllwTen=8456 <br /> Allowable Shear: (lbs.) A]]wShr= 14400•AncB]tArea AllwShr=6362 <br /> Number ofAnchor Bolts in Tension: NoTen:= 2 <br /> Front to Back Distance Between Anchor Bolts: (in.) LvrArm:= 9.0 <br /> Tension Load per-Anchor Bolt: (]bs.) TenAncBlt:= MtGrd•12 TenAncBlt=910.8 <br /> NoTen•LvrArm <br /> Number ofAnchor Bolts in Shear: NoShr:= 4 <br /> Shear Load perAnchor Bolt: (lbs.) ShrAncBlt ShrGrd ShrAncBlt=40.53 <br /> NoShr <br /> TenAncBlt ShrAncBlt <br /> Unity Check: UCAncBlts :_ + UCAncBlts=0.114 < 1.00 OK <br /> Anchor Bolts AllwTen AllwShr <br /> Allowable Bond Stress: (lbs./in.2) U:= (1) (4.8 3000) U= 175.271 <br /> 2 l AncBltDia <br /> Developement Length: (in.) Ld:= TenAncBlt Ld=2.205 <br /> U•Tr•AncBltDia <br /> Embedment Length: (in.) AncBltEmb:= 36—6 AncBltEmb=30 <br /> (36"overall length minus 6"of thread projection.) <br /> Unity Check: UCABEmb= Ld UCABEmb=0.074 < 1.00 OK <br /> Anchor Bolt Embedment AncBltEmb <br /> Use: Four(4) 3/4"Dia.x 36"anchor bolts with 6"of top thread and 4"right angle bottom bend. <br /> Design of Base Plate at Grade: <br /> Plate Thickness: (in.) P1tThk= 0.75 Plate Width: (in.) P1tWdth:= 14.0 <br />