Bolt resistances: Class 10.9 Csk TCB: Non-preloaded using S275

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1 Non-preloaded using S275 Single shear Double shear d A s F t,rd F v,rd 2 x F v,rd mm mm 2 kn kn kn t min mm Eurocode 3 (in accordance with the UK National Annex) (BS EN : 2005, BS EN ISO 4014: 2011, BS EN ISO 4017: 2014) Values of bearing resistance in green cells are less than the single shear resistance of the bolt Values of bearing resistance in blue cells are greater than the double shear resistance of the bolt Bearing values assume standard clearance holes If oversize or short slotted holes are used, bearing values should be multiplied by 0.8 If long slotted or kidney shaped holes are used, bearing values should be multiplied by 0.6 In single lap joints with only one bolt row, the design bearing resistance for each bolt should be limited to 1.5f u d t / γ M2

2 Non-preloaded using S355 Single shear Double shear d A s F t,rd F v,rd 2 x F v,rd mm mm 2 kn kn kn t min mm Eurocode 3 (in accordance with the UK National Annex) (BS EN : 2005, BS EN ISO 4014: 2011, BS EN ISO 4017: 2014) Values of bearing resistance in green cells are less than the single shear resistance of the bolt Values of bearing resistance in blue cells are greater than the double shear resistance of the bolt Bearing values assume standard clearance holes If oversize or short slotted holes are used, bearing values should be multiplied by 0.8 If long slotted or kidney shaped holes are used, bearing values should be multiplied by 0.6 In single lap joints with only one bolt row, the design bearing resistance for each bolt should be limited to 1.5f u d t / γ M2

3 Non-preloaded using S460 Single shear Double shear d A s F t,rd F v,rd 2 x F v,rd mm mm 2 kn kn kn t min mm Eurocode 3 (in accordance with the UK National Annex) (BS EN : 2005, BS EN ISO 4014: 2011, BS EN ISO 4017: 2014) Values of bearing resistance in green cells are less than the single shear resistance of the bolt Values of bearing resistance in blue cells are greater than the double shear resistance of the bolt Bearing values assume standard clearance holes If oversize or short slotted holes are used, bearing values should be multiplied by 0.8 If long slotted or kidney shaped holes are used, bearing values should be multiplied by 0.6 In single lap joints with only one bolt row, the design bearing resistance for each bolt should be limited to 1.5f u d t / γ M2

4 Preloaded at Serviceability Limit State (Category B connection) using S275, S355 and S460 Single shear Double shear μ = 0.2 μ = 0.3 μ = 0.4 μ = 0.5 d A s F v,rd 2 x F v,rd Single shear Double shear Single shear Double shear Single shear Double shear Single shear Double shear mm mm 2 kn kn kn kn kn kn kn kn kn kn Tensile stress area Slip resistance, F s,rd,ser For M12 bolts the design shear resistance F v,rd has been calculated as 0.85 times the value given in BS EN , Table 3.4 (section 3.6.1(5)) Bearing resistances may be taken from the tables for non-preloaded bolts The shear resistances are ULS values The slip resistances are SLS values Values have been calculated assuming k s = 1. See BS EN , Section 3.9 for other values of k s

5 Preloaded at Ultimate Limit State (Category C connection) using S275, S355 and S460 Tensile stress area Slip resistance, F s,rd Single shear Double shear μ = 0.2 μ = 0.3 μ = 0.4 μ = 0.5 d A s F v,rd 2 x F v,rd Single shear Double shear Single shear Double shear Single shear Double shear Single shear Double shear mm mm 2 kn kn kn kn kn kn kn kn kn kn For M12 bolts the design shear resistance F v,rd has been calculated as 0.85 times the value given in BS EN , Table 3.4 (section3.6.1(5)) Bearing resistances may be taken from the tables for non-preloaded bolts The shear resistances are ULS values The slip resistances are ULS values Values have been calculated assuming k s = 1. See BS EN , Section 3.9 for other values of k s

6 Preloaded in Tension (Category E connection) using S275 d A s F t,rd t min mm mm 2 kn mm The minimum thickness is such that the design resistance B p,rd is equal to the design tension resistance F t,rd

7 Preloaded in Tension (Category E connection) using S355 d A s F t,rd t min mm mm 2 kn mm The minimum thickness is such that the design resistance B p,rd is equal to the design tension resistance F t,rd

8 Preloaded in Tension (Category E connection) using S460 d A s F t,rd t min mm mm 2 kn mm The minimum thickness is such that the design resistance B p,rd is equal to the design tension resistance F t,rd