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<br />BOTAS ENGINEERING, INC. <br /> <br />Job Sunny Isles Restaurant <br /> <br />Consulting Engineers <br /> <br />- <br />Sheet No. of <br /> <br />Patricia M. Botas - Florida license # 41829 <br />7875 NW 12th Street, Suite 120 - Miami, FL 33126 <br /> <br />Calculated by DBC Date 5/2010 <br />Checked by PMB Date 5/2010 <br /> <br />SpecIfied tensile or compressive stress In reinforcement: <br /> <br />fs := 24000 pSI <br /> <br />Allowable Compressive Stress due Axial Load: Hcalwall := Hwall <br /> <br />Forh/r<99slenderlesslimltformulae Hcalwall' r-I = 3G Fa:= O.25fm[ 1- Hcalwall2( 140r)- Fa = 3S0pSI <br /> <br />Allowable Compressive Stress due Flexure : <br /> <br />Fb := 3- If m SpeCial mspectlon <br /> <br />fa.comp := WTot( teqr I <br /> <br />Fb = SOO pSI <br /> <br />Calculated Compressive Stress (fa), aXial load only: <br /> <br />fa.comp = 9.7 pSI <br /> <br />A::I~:~:P::~:t:::O~":':~: reo",ooed sree;b'V'" :~ (, .33 _ f,~mp). Fb <br /> <br /> <br />- Selectmq remforcement : <br /> <br />fb.avatl = GS I pSI <br /> <br />Estimate Reinforcement : <br /> <br />ASest := Mwall' (fs' 0.89 . dr 1 <br /> <br />2 <br />In <br />ASest = O.OGS- <br />ft <br /> <br />Proposed Reinforcement : <br />1t 2 2 -I <br />Bar := S ASbar := . (Bar. In) ASbar = 0.31 In at b = 24 In As := ASbar' b <br />25G.4 <br /> <br />2 <br />In <br />As = 0.153- <br />ft <br /> <br />Remforcmg Ratio : <br /> <br />Compression block location : <br />(for rectangular section) <br /> <br />-I <br />P := As' b. (b. d) <br />k := ~(n . p)2 + 2. n. p - n . p <br /> <br />p = 0.0033 <br />k = 0.3 <br /> <br />Check Compression block: <br /> <br />k. d = 1.3 In <br /> <br />> tf = 1.3 In = > deSign as T -beam <br /> <br />T -beam DeSign <br /> <br />Lever arm : <br />(for T -beam section) <br /> <br />k := [ p . n + 0.5 . ( : r] . [p . n + (: J J I <br />J:= [ 6 - 6. : + 2. (:r + (:T- p / ].(6-3. :r <br /> <br />k = 0.3 <br /> <br />Compression block location : <br />(for T-beam section) <br /> <br />J = 0.847 <br /> <br />ReSisting Moment : <br />(Whichever IS smaller) <br /> <br />{ Ms:= As' fs' J' d <br />Mm := fb.avatl . (I - tf J. tf' J . d <br />2.k.d <br /> <br />KiP' ft <br />Ms = 0.99 <br />ft <br />"'-IP . tt <br />Mm = I .35 <br />ft <br /> <br />Checking: MReslst:= If( Mm < Ms, Mm , Ms) <br /> <br />~p.ft ~p.ft <br />MReslst = 0.99 > Mwall = 0.44 = > OK <br />ft ft <br /> <br />MASONRY WALL REINFORCING - #5 Bar @ 24 in <br /> <br />81 <br />