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www.hilti.com <br />Hilti PROFIS Engineering 3.0.88 <br />Input data and results must be checked for conformity with the existing conditions and for plausibility! <br />PROFIS Engineering ( c ) 2003-2023 Hilti AG, FL-9494 Schaan Hilti is a registered Trademark of Hilti AG, Schaan <br />3 <br />Company: <br />Address: <br />Phone I Fax: <br />Design: <br />Fastening point: <br /> | <br />Switchboard Panel <br />Page: <br />Specifier: <br />E-Mail: <br />Date: <br />3 <br />10/10/2023 <br />3.2 Concrete Breakout Failure <br />Ncbg = (ANc <br />ANc0)y ec,N y ed,N y c,N y cp,N Nb ACI 318-19 Eq. (17.6.2.1b) <br />f Ncbg ³ Nua ACI 318-19 Table 17.5.2 <br />ANc see ACI 318-19, Section 17.6.2.1, Fig. R 17.6.2.1(b) <br />ANc0 = 9 h2 <br />ef ACI 318-19 Eq. (17.6.2.1.4) <br />y ec,N = (1 <br />1 + 2 e' <br />N <br />3 hef <br />)£ 1.0 ACI 318-19 Eq. (17.6.2.3.1) <br />y ed,N = 0.7 + 0.3 (ca,min <br />1.5hef)£ 1.0 ACI 318-19 Eq. (17.6.2.4.1b) <br />y cp,N = MAX(ca,min <br />cac <br />, 1.5hef <br />cac <br />)£ 1.0 ACI 318-19 Eq. (17.6.2.6.1b) <br />Nb = kc l a √f' <br />c h1.5 <br />ef ACI 318-19 Eq. (17.6.2.2.1) <br />Variables <br />hef [in.]ec1,N [in.]ec2,N [in.]ca,min [in.]y c,N <br />2.500 2.242 0.198 6.000 1.000 <br />cac [in.]kc l a f' <br />c [psi] <br />6.000 21 1.000 2,500 <br />Calculations <br />ANc [in.2]ANc0 [in.2]y ec1,N y ec2,N y ed,N y cp,N Nb [kip] <br />168.75 56.25 0.626 0.950 1.000 1.000 4.150 <br />Results <br />Ncbg [kip]f concrete f seismic f nonductile f Ncbg [kip]Nua [kip] <br />7.402 0.650 0.750 1.000 3.608 1.154