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www.hilti.com <br />Hilti PROFIS Engineering 3.1.1 <br />Input data and results must be checked for conformity with the existing conditions and for plausibility! <br />PROFIS Engineering ( c ) 2003-2024 Hilti AG, FL-9494 Schaan Hilti is a registered Trademark of Hilti AG, Schaan <br />7 <br />Company: <br />Address: <br />Phone I Fax: <br />Design: <br />Fastening point: <br /> | <br />WIND - Concrete - Jul 23, 2024 <br />Page: <br />Specifier: <br />E-Mail: <br />Date: <br />7 <br />7/30/2024 <br />4.2 Steel failure (with lever arm) <br />VM <br />s = aM · Ms <br />Lb <br /> bending equation for stand-off <br />Ms = M0 <br />s (1 - Nuaf Nsa) resultant flexural resistance of anchor <br />M0 <br />s = (1.2) (S) (fu,min) characteristic flexural resistance of anchor <br />(1 - Nuaf Nsa) reduction for tensile force acting simultaneously with a shear force on the anchor <br />S = p(d)3 <br />32 elastic section modulus of anchor bolt at concrete surface <br />Lb = z + (n)(d0) internal lever arm adjusted for spalling of the surface concrete <br />f VM <br />s ³ Vua ACI 318-19 Table 17.5.2 <br />Variables <br />aM fu,min [psi]Nua [lb]f Nsa [lb]z [in.]n d0 [in.] <br />1.00 58,000 -2,145 14,550 1.250 0.500 0.750 <br />Calculations <br />M0 <br />s [in.lb](1 - Nuaf Nsa)Ms [in.lb]Lb [in.] <br />1,899 0.853 1,619 1.625 <br />Results <br />VM <br />s [lb]f steel f VM <br />s [lb]Vua [lb] <br />996 0.650 648 172 <br />2303 S Bristol St <br />Unit A11/13/2024