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• <br />\J <br /> <br />MWH <br />MONTGOMERYWATSON HAgZA <br />5~~? <br />I <br />CLIENT: Oxbow Mining JOB NO: DATE: 6/3/2003 <br />.TASK: Wall Reinforcing BY: Christian Questad <br />DESCRIPTION: LowerBaz/Dowel CHKD: <br />Service Moment (k-Kips) = 30 81 <br />Bending Moment, Mu (k-kips) = 5238 <br />Sheaz (w/o ACI 350 L.F.), V u (k) = 0.00 <br />Axial Force(Tension), Pu (k) _ -000 <br />Load Factor (For bending) _ '170 <br />Load Factor for Shear Steel (ACI 350) = 13 <br />Compression flange width, be (in) = 12 0 <br />Thickness of slab (in) = 24 <br />Cover (in) = 2 <br />Is [he bar on the outside or inside?.outstde -- <br />Depth to reinforcing, d (in) = 2150 <br />f c (psi) = 4000 ` dto Max=. 0.0214. <br />fy (psi) = 60000" Therefore As max = 5.52 sq in <br />Es (Psi) = 29000000 <br />Ec (psi) = 3604997 <br />n = Es/Ec = 8 <br />Allowable Stress for Direct Tension (ksi) _ . 18.0 <br />Beta1 = 0.85 - ~. <br />phi, for Bending = 0.9 <br />phi, for Shear and Torsion = 0.85 , <br />=Thickness -Cover - 1/2 Baz Diameter <br />Shear Ca aci y and Reinforcement (Rasesi nn AC131R.113.2) Am~mec Nn Torsinn <br />Note: For slabs & walls, shear reinforcement is not required as long as Vu < phi*Vc <br />V u *d/Mu (max of 1.0) = 0.00 <br />1.9*sart(fc) +2500*As/(bd) * Vu d/Mu = 120.17 <br />phi*Vd(phi*sgrt(fc)*bd) = 1.900 Wall nr Slab thirknecc is adegi ate <br /> No Shear Reinforcement is required for Beam <br />a Stimtp Spacing = " `. 5 ' in ~ <br />~ Max spacing of shear reinforcement (in) = 10.75 Non-Seismic loads -ACI 318-11.5.4 ~ <br />rn Max spacing of shear reinforcement (in) = 10.75 Seismic requirements -See ACI 318-21.3.3 ~ <br />~ Min. area of one leg of shear reinforcement = 0.025 (50 Bw s / fyy2 -See ACI 3I8-1 I.5.5.3 y <br />m Req'd Area of One Leg of Shear Stirrups, Av = noon ~ <br /> Remiired Stimm Rar Size fnr Reams o # 3 <br />Rending Ru = Mu/(phi*bc*d^2) _ <br />Rho = (.85*f c/fy)* { 1-[ 1-(2*Ru/(.85 *f c))]^.5 ] _ <br />As Required for beri in =Rho*bc*d = <br />Min (fir bendine) _ <br />Baz <br />As Total <br />y <br />(Z <br />ok r <br />Jl M'ICC <br />125.9 Use Ru = 1259 <br />0.0021 <br />OS52 in^2 <br />0.860 Per ACI 318-99 Sect 10.5.1 <br />` As Required for Direct Tension (in^2) = 0.000 <br />As supplied for bending (in^2) = 0.942 <br />\. Number of bars = 1.2000 <br />M <br />~~ <br />~cktng Location of C.G. of cra 'or <br />(from compression fiber) (in) _ <br />fs (ksi)= Ms/(As*moment arm) _ <br />Ae = 2*(dc-cover (2 max)tll2 Baz Dia)*bc = <br />A = Ae/number of bars = <br />Z = fs*((d~cover (2 max)+ 1/2 Bar dia)*A)^(1!3) _ <br />File:lower.xJs <br />4.62 <br />19.65 Z< 95 for extreme exposures <br />60 Z< 115 for hydraulic structtves <br />50.00 Z< 145 for exterior exposure <br />483 Z< 175 interior ex sure <br />Rev 101001 Print Date: 6/3/2003 <br />