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Anchor Bolts Retro Grid 2 <br />AT GRID LINE 2 <br />INPUT DATA & DESIGN SUMMARY <br />CONCRETE STRENGTH fc'=2.5 ksi <br />SPECIFIED STRENGTH OF FASTENER futa =60 ksi <br /> (The strength of most fastenings is likely to be controlled by the embedment strength rather <br /> than the steel strength, so it is usually economical to use ASTM A307 Grade A fastener.) <br />FACTORED DESIGN TENSION LOAD Nua =2.287 k (*1.4/1.3) <br />FACTORED DESIGN SHEAR LOAD Vua =0.000 k <br />EFFECTIVE EMBEDMENT DEPTH hef =8.000 in <br />FASTENER DIAMETER d =0.625 in <br />DIST. BETWEEN THE FASTENER AND EDGE ca1=c =1.750 in <br />SEISMIC LOAD ?YES [THE FASTENER DESIGN IS ADEQUATE.] <br />ANALYSIS <br />EFFECTIVE AREA OF FASTENER Ase =0.226 in2 <br />BEARING AREA OF HEAD Ab =0.226 in2, ( or determined from manufacture's catalogs.) <br />CHECK FASTENER TENSILE STRENGTH : <br />=7.628 k >Nua [Satisfactory] <br />where :f =0.75 x 0.75 =0.5625 <br />CHECK CONCRETE BREAKOUT STRENGTH : <br /> <br />=7.521 k >Nua [Satisfactory] <br />where :f =0.65 (Table 4 ESR 2508) <br /> yc,N term is 1.0 for location where concrete cracking is likely to occur. <br />CHECK ADHESIVE ANCHOR CAPACITY UNDER TENSION LOADING: <br />ϕNa >Nua <br />Na = ANa/ANao ψed,Na ψp,Na Nao WHERE:VS A.B <br />Nao =13430.309 lbs 995 2250 4940 0.5" <br />Scr,Na =9.598626 <=24 OK 855 2075 7865 0.625" <br />760 1905 11625 0.75" <br />SEE TABLE 2-TABLE 5 OF ESR 2508 700 1730 16080 0.875" <br />675 1555 21090 1" <br />Ccr,Na =Scr,Na/2 =4.79931 in <br />ANao =(Scr,Na)2 =92.13 in2 <br />ANa =(Ca1+Ccr,Na)(Scr,Na) =62.864406 in2 where: Ca1 = C = 1.750 <br />ψed,Na =(0.7+0.3(Ca,min/Ccr,Na) <= 1 <br />ψed,Na =0.809391 <=1 OK <br />where :f =0.65 dry concrete ψp,Na =1 <br />calculating for ϕNa : <br />ϕNa =4.821079 k >Nua =2.29 k OK <br />DETERMINE DESIGN TENSILE STRENGTH : <br />f Nn =min(ϕNs, ϕNcb, ϕNa) =4.821 K <br />1311 N Towner St <br />5/10/2024 <br />1311 N Towner St <br /> Midcities Engineering <br />9744 Maple street #101 <br />Bellflower, California 90706 <br />mce2020@gmail.com <br />24-107 <br />SHEET OF CALCULATION <br />PROJECT NAME <br />Single Fastener in Tension and Shear Near an Edge Based on ACI 318-19 <br />MIDCITIES <br />SUBJECT LATERAL ANALYSIS PROJECT NUMBER <br />ADDRESS <br />DATE <br />()ses utanfNAf f= <br />()()'1.5 <br />, , ,2 <br />0.30.7 241.59 <br />N N <br />cb b efed N c N c N c <br />No efef <br />cA A fN N hhA hf f fy y y = = +   <br />=efcrkhd, <br />crk, <br />=efhrckd31450 <br />,20 <br /> <br />unck, <br />A1 <br />1311 N Towner St <br />9/24/2024