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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, Fl33126 <br /> <br />Calculated by DBC Date 5/2010 <br /> <br />Checked by PMB Date 5/2010 <br /> <br />Moment of inertia of cracked <br /> <br />section transformed to concrete : <br /> <br />3 <br />b . kd n . Ast (n - I) . Asc 4 <br />ICR := + + ICR = 829.97 In <br />3 (d - kd) - 2 ( kd - d I r 2 <br /> <br />Moment of Inertia of gross concrete <br />section about centrOldal aXIs : <br />(Neglecting reinforcement) <br /> <br />Ig := b. dt3. 12- 1 <br /> <br />4 <br />Ig = /3824 In <br /> <br />Distance from centroldal aXIs of <br />gross section, neglectmg remf., <br />to extreme fiber m tension : <br /> <br />Yt := 0.5 . dt <br /> <br />Yt = / 2 In <br /> <br />Crackmg moment : <br /> <br />-I <br />MCR:= fr.lg.Yt <br /> <br />Ie := (~~Rr. Ig +[ I - (~~Rr]. ICR <br /> <br />MCR = 53 KiP' ft <br /> <br />Effective moment of inertia : <br /> <br /> <br />Deflection due to Uniformly Distributed Loads <br /> <br />Untformly Dlst. Load : <br /> <br />W5erv := (WDL + WLL)ft <br />3 <br />5 W5erv' Lbeam <br />DR:=-' <br />384 Ec. Ie <br />DTot := DR <br /> <br />W5erv = I 24 I ft plf <br /> <br /> <br />DTot = Oln <br /> <br />Deflection : <br /> <br />Lbeam <br /> <br />= 0.G2 In > <br />3GO <br /> <br />DR = 0.05 In <br /> <br />= > VerIficatIon OK <br /> <br />Beam FB-1 Desio" Summary <br /> <br />Section 12"x24" <br /> <br />Top Reinf. <br />Mid. Reinf. <br />Batt. Reinf. <br />Stirrups <br /> <br />4-#8 <br />2-#5 <br />5-#8 <br />#4 @ 10" O.C. <br /> <br />38 <br />