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24 R E L A S T ® D E S I G N M A N U A L Verification of the tensile strut Asw c π 4 * d k 1 2 172 mm 2 a sw n y 1 * Asw c s l 2 * 172 mm² 190 mm 18 11 cm² m ρ sw 0 45% f ywd ef min[c 1 * f wk γ s + c 2 * 1 ρ sw * ν 1 * f cd f ywk γ s ] *Z-15 1-345 3 2 3 3 min[0 313*500 Nmm² 1 15 + 0 046 * 1 0 00453 * 0 75 * 11 33 Nmm² 500 Nmm² 1 15] 223 85 Nmm² V Rd s a sw * z * f ywd ef *Z-15 1-345 3 2 3 2 206 13 kN Ved 1 V Rd s 200 206 13 kN 97% *Utilization of the tensile chord Additional reinforcement is possible RELAST ® Screw diameter c1 c2 Above reinforcement Ø 22 0 4097 0 046 Ø 16 0 3925 Below reinforcement Ø 22 0 2384 Ø 16 0 313 4 DESIGN EXAMPLES SHEAR REINFORCEMENT