Steel Buildings in Europe

8 - 23 Worked Example 3: Tension Resistance 1 of 1 Made by CZT Date 02/2010 Calculation sheet Checked by ENM Date 02/2010 1. Tension Resistance This example presents the method used in the member resistance calculator for calculating the tension resistance, adopting the recommended values of the EN 1993-1-8. References are to EN 1993-1-8 unless otherwise stated p p 1 1 Section: L 120 × 80 × 12 Steel grade: S235 Area: A = 2270 mm 2 Bolts: M20, grade 8.8 Spacing between bolts p 1 = 70 mm Total number of bolts n = 3 Diameter of the holes d 0 = 22 mm Partial safety factors  M0 = 1,0  M2 = 1,25 (for shear resistance of bolts) 1.2. Angle in tension M2 net u 3 Rd   A f N  §3.10.3 2,5 d 0 = 2,5  22 = 55 mm 5 d 0 = 5  22 = 110 mm 2,5 d 0 < p 1 < 5 d 0 Table 3.8 3  can be determined by linear interpolation: Therefore 0,59 3   2 ac 0 net 2006 mm 12 22 2270       A A t d 3 Rd 10 1,25 360 2006 0,59      N = 341 kN