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PROJECT NO: <br />1935000706 <br />BURKH'OLDER <br />JBAJOHNSTON <br />PROJECTNAME: <br />AsSOCIATES <br />#0706 - Ze I <br />consulting structural engineers <br />MADE BY: <br />MAVCHECKED <br />930 CENTRAL ' KANSAS CITY, MO 64105 <br />816.421.4200 W W W.JBAENGR.COM <br />BY: <br />Shelving / Double Sided 60" Tall "T" 5 Level 48T <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 />746 Ibs <br />Slab Concrete Vc = <br />2500 psi <br />Slab thickness (t) = <br />4 in. <br />Rack Post X-X = <br />2R in. <br />Rack Post Y-Y = <br />2in. <br />b,= <br />24.00 in. <br />0 = <br />1.00 <br />V = <br />19200lbs Eq.(22-10) <br />Vn max = <br />12768 Ibs Eq. (22-10) <br />OVn= <br />7661 Ibs <br />V.AV"= <br />0.097 <1.0O.K. <br />Slab tension based on Soil bearing area check: <br />Allowable soil bearing = 500', psi <br />Max. Vertical Load (Service) (P) = 631 Ibs <br />Area reqd. for bearing (A_,) = 1.26 fe <br />"b" distance = 13.48 in <br />Slab thickness (t) = 4.00 in <br />S = (1 ")(tf/6 = 2.67 in3fin <br />+M„ (tension allowable) = Q7.5%f'°)'%S) = 600 in-lb/in <br />Factored uniform bearing, w, = P, / A„° = 4.10 Ibfinln <br />Mu= w.L2/3 = (wu)[(b-(2")Y2)j / 3 = 45.06 in-lb/in - Defl. End M1 <br />MJAM,.= 0.075 < 1.0 O.K. <br />Shelving Fixture FOS Overturning with Resistance from Effective Weight of Slab <br />on Grade: <br />Width of Single Rack = <br />33 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 = V0216 = <br />32.0 in3/ft <br />Allowable Concrete Slab Bending Moment, M,, = SYr = <br />1000.0 ft*lbs/R <br />Effective Cantilever Span Length (L.) at M,, = <br />6.3 ft <br />Total Length of Slab (I,+ Width of Single Rack) = <br />9.1 ft <br />Trib. Width of Slab = Trib width of Rack = <br />4.0 it <br />Weight of Concrete Slab at Rack (P_) = <br />1815 Ibs <br />Resisting Moment - Concrete Slab at Rack, MRsT(.i.b) = P. * LJ2 = <br />98817 in*Ibs <br />Load Combination #1: MOT = 591 in*Ibs <br />MRST(R..k) + MRST(.M) = 117050 in*Ibs <br />Total Overturning FOS = 198.118 OK <br />Load Combination #2: MOT = 299 in*Ibs <br />MRST(R.k) + MRST(Wb)= 105417 in*lbs <br />Total Overturning FOS = 352.013 OK <br />FL <br />11 13 <br />DATE: <br />03/26/19 <br />DATE: <br />H/2 X—X H/2 L. <br />= <br />r—^— ----- ---� <br />a .I N <br /><° <br />I♦ I � <br />I <br />° <br />a___A] <br />(Punching Perimeter) <br />20. BEAM FIXED AT ONE END. FREE To DEFLECT VERTICALLY BUT NOT <br />ROTATE AT OTHER —UNIFORMLY DISTRIBUTED LD,AO <br />,. <br />I. ................ J.__...,._.....,:.j <br />Totai Egake. Untillorm idad . - <br />B <br />•, � al <br />V. <br />A. <br />vi . <br />_ Wit <br />x <br />IT <br />Ai max.;tst alma ama} ; <br />wf+. <br />y <br />srt, {ata.tpoW rha� <br />_ <br />23 in-lb/in <br />(is AXs <br />♦s�Tt-r <br />Mt�_` i, ' <br />i , - r <br />3msa. �staaaat�aena}.. <br />"1 <br />Mar�ent <br />48T - Full Gondola <br />