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1 rA'•·PROJECT: Utal(na byk*- 415(/VAM9Ad£uCLIENT : . <br />JOB NO. : 212-013 1 DATE : 12/31/2012- <br />Cantilever Column & Footing Design Based on AISC 360-05, ACI 318-08, and IBC 09 1807.3 <br />flu·or-1 PAGE: <br />DESIGN BY: <br />REVIEW BY: <br />(i - :3 19.·I; ;7& it· <br />INPUT DATA & DESIGN SUMMARY ' <br />COLUMN SECTION (Tube, Pipe, or WF)I11SS6 000*0.1881 Pipe //--F---A . COLUMN YIELD STRESS Fy = | 42 1(si W= <br />CANTILEVER HEIGHT H =I . 30-Jft <br />F f 1£M a <br />COLUMN TOP LATERAL LOAD F = [3333 kips, ASD <br />(Strong Axis Bending only)5 12; x )04'4 wwoCOLUMN TOP GRAVITY LOAD p = [33*3 kips, ASD i'= to <br />/A /6 /6 <br />bJU <br />DIAMETER OF POLE FOOTING b = 72-ft <br />ALLOW SOIL PRESSURE Q i = 1.5 ksf <br />LATERAL SOIL CAPACITY P p = 0.25 ksf / ft --- <br />RESTRAINED @ GRADE ?(1=yes,0=no)0 No <br />Use 2 ft dia x 2.57 ft deep footing unrestralned @ ground level <br />THE DESIGN IS ADEQUATE.Le uSE. dbANALYSIS o c.,4 59*20•N,LE <br />1 <br />l, <br />CHECK COMRINF:n COMPRFARIAN ANn RANnING CAPACITY OF COLUMN (AIS'6360-05, Hl) <br />fL+1(M rx , M 12\, for Prk 0.2 <br />Pc - <M a Mcy) Pc »b» <br />Pr <br />1Pc <br />+f Mrx , <br />(Mer <br />Wo, 11. for <br />M9) <br />Pr <br />PC <br />0.15 <1.0 [Satisfactory] <br />< 0.2 <br />Where Pr =0.25 kips <br />Mn - <br />Mry - <br />KLy= <br />PcPn <br />M cx = M <br />Mcy =M <br />1.80 ft-kips <br />0 ft-kips <br />20 .ft, weak axis unbraced axial length <br />/ fle = 58 / 1.67 = 34.76 kips, (AISC 360-05 Chapter E) <br />Pr [Satisfactory] <br />n/ab=20.69 / 1.67 = 12.39 ft-kips, (AISC 360-05 Chapter F) <br />> Mrx [Satisfactory] <br />n/Qb=20.69 / 1.67 = 12.39 ft-kips, (AISC 360-05 Chapter F) <br />) Mry [Satisfactory] <br />DESIGN POLE FOOTING (IBC 09 1807.3) <br />By trials, use pole depth, d =2.566 ft <br />Lateral bearing @ bottom, 83 = 2 Pp Min( d, 12') =1.28 ksf <br />Lateral bearing @ d / 3, S 1 = 2 Pp Min(d/3, 12') =0.43 ksf <br />Require Depth is given bv <br />A / 4.36/z I <br />- 1+./1 i . for nonconstrained2 NA <br />d=< = <br />4.25Ph 2.566 ft [Satisfactory] <br />for constrained- b3 <br />Where P= F=0.18 kips <br />A= 234 P/*Sl)=0.49 <br />h=Mrnax/F=10.00 ft <br />CHECK VERTICAL SOIL BEARING CAPACITY (ACI, Sec. 15.2.2) <br />q scou = P / (,r b'/4) =0.08 ksf, (net weight of pole footing included.) <br />< Q 8 [Satisfactory] <br />CHECK STPnMA AVIC ' ATERAL DEFLECTION <br />6. = f-Hl <br />3EI 0.26 in <2 H/240.1.00 in [Satisfactory] <br />t. <br />l,,C <br />1:-1