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<br />.- <br /> <br />BOTAS ENGINEERING, INC. <br /> <br />Job Sunny Isles Restaurant <br /> <br />Consulting Engineers <br /> <br />- <br />Sheet No. of <br /> <br />Calculated by DBC Date 5/2010 <br /> <br />Patricia M. Botas - Florida License # 41829 <br />7875 NW 12th Street, Suite 120 - Miami, Fl33126 <br /> <br />Checked by PMB Date 5/2010 <br /> <br />SpecIfied tensile or compressive stress m remforcement : <br /> <br />fs := 24000pSI <br /> <br />Allowable Compressive Stress due Axial Load : <br /> <br />Hcalwall := Hwall <br /> <br />For hlr < 99 slenderless limit formulae Hcalwall' r - 1 = 47 Fa := O.25fm[ I - Hcalwall2 ( I 40r) - Fa = 332 pSI <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 = 500 pSI <br /> <br />Calculated Compressive Stress (fa), aXial load only: <br /> <br />fa.camp = 10.5 pS <br /> <br />A~:I::~::P:::::re~,:::O~U~:~U~: te,,'ooed 5ree;baV"1 := (1.33 _ fa;:mp J . Fb <br /> <br /> <br />- Selectmq remforcement : <br /> <br />fb .avail = G49 pSI <br /> <br />Estimate Remforcement : <br /> <br />ASest := Mwall' (fs' 0.89 . dr I <br /> <br />2 <br />In <br />ASest = 0,105- <br />ft <br /> <br />Proposed Remforcement : <br />7t 2 2 -I <br />Bar := 5 ASbar := . (Bar. In) ASbar = 0.31 In at b = 24 In As := Asbar. b <br />25GA <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 := .J(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 = 1.31n => 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.(~)1[p.n+(~)r k=03 <br />J :=[ 6-6. >2.(~J +(~r P/ ](6-3. ~r 0847 <br /> <br />Compression block location : <br />(for T-beam section) <br /> <br />Reslstmg Moment : <br />(Whichever IS smaller) <br /> <br />{ Ms:= As' f s . J . d <br />Mm := fb.avail . (I - tf ). tf' J . d <br />2.k.d <br />KiP' ft KiP' ft <br />MReslst = 0.99 ft > Mwall = 0.71 ft => OK <br /> <br />Kip' ft <br />Ms = 0.99 <br />ft <br />I\lp . tt <br />Mm = I .35 <br />ft <br /> <br />Checkmg: MReslst:= If( Mm < Ms, Mm, Ms) <br /> <br />MASONRY WALL REINFORCING - #5 Bar @ 24 in <br /> <br />79 <br />