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JOHNSTON <br />PROJECT NO: <br />SHEET NO: <br />OF: <br />1935000706 <br />5 <br />13 <br />BURY. -HOLDER <br />JBAAsSOCIATES <br />PROJECT NAME: <br />#0706 - Zephyrhills, FL <br />MADE BY: <br />DATE: <br />consultingstructural. engineers <br />MAV <br />03/26/19 <br />930 CENTRAL. KANSAS CITY, MO 64105 <br />CHECKED BY: <br />DATE: <br />916.421,4200 WWW.JBAEN( R.COM <br />Shelving / Single Sided 90" Tall "X" 5 Level 24X <br />2017 FBC / IBC 2015 / ASCE 7-10 / 2012 RMI (ANSI/MH16.1-12) <br />Punching Shear Check: <br />(Design per ACI 318-14 section 14.5.5) <br />Max. Factored Vertical Load (P) = <br />829 Ibs <br />Slab Concrete V, = <br />2500 psi <br />Slab thickness (t) = <br />4 in. <br />Rack Post X-X = <br />2 in. <br />Rack Post Y-Y = <br />2in. <br />b.= <br />24.00 in. <br />0 = <br />1.00 <br />Vn= <br />19200 Ibs Eq.(22-10) <br />Vn Max = <br />12768 Ibs Eq.(22-10) <br />Wn= <br />7660.80lbs <br />V,JmV"= <br />0.108 < 1.0 O.K. <br />H/2 X—X Hj2, <br />�- -J44 <br />d . N <br />I 12 <br />I � <br />�4 °. I r <br />d ? <br />I . <br />a 4: I \ <br />bo < <br />(Punching Perimeter) <br />20. BEAM FIXED AT ONE END. FREE TO DEFLECT VERTICALLY BUT NOT <br />any'ATE <br />Slab tension based on Soil bearing area check: <br />Allowable soil bearing = 500 psf <br />Max Vertical Load (Service) (P) = 661 Ibs <br />Area reqd. for bearing (Arm) = 1.32 it' <br />"b" distance = 13.79 in <br />Slab thickness (t) = 4.00 in <br />S = (1 ")(t)Z/6 = 2.67 in'fin <br />pM,. (tension allowable) = Q7.5%f',)'R](S) = 600 in-lb/in <br />Factored uniform bearing, w = P / A,d = 4 Iblintin <br />M. = w L�/3 = (w )[(b-(2"))/2)j / 3 = 50.53 in-lb/in <br />- Defl. End Mt = 26 in-lb/in <br />MIAM,„= 0.084 < 1.0 O.K. <br />Shelving Fixture FOS Overturning with Resistance from Effective Weight of Slab on Grade: <br />Width of Single Rack = <br />15 in <br />Slab thickness (t) = <br />4.0 in <br />Modulus of Rupture, f,= 7.5*SQRT(fc) = <br />375.0 psi <br />Concrete Slab Section Modulus, S = b(t)2/6 = <br />32.0 in'/ft <br />Allowable Concrete Slab Bending Moment, M.LJFS = S*f,/1.5 = <br />1000.0 ft*lbs/ft <br />Effective Cantilever Span Length (L,) at Mm = <br />6.3 ft <br />Total Length of Slab (I,+ Width of Single Rack) = <br />7.6 ft <br />Trib. Width of Slab = Trib width of Rack = <br />8.0 ft <br />Weight of Concrete Slab at Rack (P,o ) = <br />3030 Ibs <br />Resisting Moment - Concrete Slab at Rack, MRST(wb) = P,a * LJ2 = <br />137697 in*Ibs <br />Load Combination #1: MOT = 859 in*Ibs <br />MRST(R.k) + MRST(.Wb) = 145947 in*Ibs <br />Total Overturning FOS = 169.910 OK <br />Load Combination #2: MOT = 436 in*Ibs <br />MRST(R.k) + MRST("kb) = 140697 in*Ibs <br />Total Overturning FOS = 323.010 OK <br />AT 01HER—UNIFORMLY<DISTRIBGT D LOAD <br />EF FEC TI VE <br />,ANI I Fy>sEREI <br />F�AGJH (t <br />Tat*E4ukr t'ft"ormL0W . y 3.$ <br />A-V . <br />* VI'. <br />Vx <br />.. srX <br />Mmxx.�sttluA�sO� <br />_:�. <br />1A,3taot�fne} <br />ati <br />Ma . . <br />am AK. "•e'd sm <br />_at <br />dx . . . . . . . <br />A-,E-FP I� <br />24X - Half Gondola <br />