8/3/2019 TechNote022pt2 Capacities of Bolts in Cold-formed Steel Connections

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???? REF.: TN/22pt2???? ???? PAGE:???? ???? DATE: 31-Jan-2012

???? ???? DESIGN: SCH

Cold-Formed Design

Bolt & Ply Capacities

Ply thickness 1 Ply Yield Strength 550 Ply Tensile Strength 550 Ply Bearing Joint Capacity

Bolt Df Vfn Vfn 1.5Df 3Df Tear Out Capac ity of Plies Vf kN Double Single M inimum Joint

Code Diam 4.6 8.8 For Edge Distance [mm] Inner Outer Capac ity Control mm kN kN mm mm 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Vb Vb V Description

M4 4 1.5 3.2 6.0 12.0 3.30 4.95 6.6 8.25 9.9 11.55 13.2 14.85 16.5 18.15 19.8 21.45 23.1 4.3 4.0 1.5 bolt

M5 5 2.5 5.2 7.5 15.0 3.30 4.95 6.6 8.25 9.9 11.55 13.2 14.85 16.5 18.15 19.8 21.45 23.1 5.4 5.0 2.5 bolt

M6 6 3.6 7.4 9.0 18.0 3.30 4.95 6.6 8.25 9.9 11.55 13.2 14.85 16.5 18.15 19.8 21.45 23.1 6.4 5.9 3.3 ply

M8 8 6.5 13.5 12.0 24.0 4.95 6.6 8.25 9.9 11.55 13.2 14.85 16.5 18.15 19.8 21.45 23.1 8.6 7.9 5.0 ply

M10 10 10.4 21.5 15.0 30.0 4.95 6.6 8.25 9.9 11.55 13.2 14.85 16.5 18.15 19.8 21.45 23.1 10.7 9.9 5.0 ply

M12 12 15.1 31.4 18.0 36.0 6.6 8.25 9.9 11.55 13.2 14.85 16.5 18.15 19.8 21.45 23.1 12.9 11.9 6.6 ply

M14 14 20.8 43.1 21.0 42.0 8.25 9.9 11.55 13.2 14.85 16.5 18.15 19.8 21.45 23.1 15.0 13.9 8.3 ply

M16 16 28.6 59.3 24.0 48.0 8.25 9.9 11.55 13.2 14.85 16.5 18.15 19.8 21.45 23.1 17.2 15.8 8.3 ply

M20 20 44.7 92.7 30.0 60.0 9.9 11.55 13.2 14.85 16.5 18.15 19.8 21.45 23.1 21.5 19.8 9.9 ply

M24 24 64.3 133.5 36.0 72.0 13.2 14.85 16.5 18.15 19.8 21.45 23.1 25.7 23.8 13.2 ply

M30 30 103.0 213.7 45.0 90.0 14.85 16.5 18.15 19.8 21.45 23.1 32.2 29.7 14.9 ply

M36 36 150.6 312.6 54.0 108.0 18.15 19.8 21.45 23.1 38.6 35.6 18.2 ply

Ply thickness 2.4 Ply Yield Strength 450 Ply Tensile Strength 480 Ply Bearing Joint Capacity

Bolt Df Vfn Vfn 1.5Df 3Df Tear Out Capac ity of Plies Vf kN Double Single M inimum Joint

Code Diam 4.6 8.8 For Edge Distance [mm] Inner Outer Capac ity Control

mm kN kN mm mm 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Vb Vb V Description

M4 4 1.5 3.2 6.0 12.0 6.91 10.37 13.82 17.28 20.74 24.19 27.65 31.1 34.56 38.02 41.47 44.93 48.38 9.0 8.3 1.5 bolt

M5 5 2.5 5.2 7.5 15.0 6.91 10.37 13.82 17.28 20.74 24.19 27.65 31.1 34.56 38.02 41.47 44.93 48.38 11.2 10.4 2.5 bolt

M6 6 3.6 7.4 9.0 18.0 6.91 10.37 13.82 17.28 20.74 24.19 27.65 31.1 34.56 38.02 41.47 44.93 48.38 13.5 12.4 3.6 bolt

M8 8 6.5 13.5 12.0 24.0 10.37 13.82 17.28 20.74 24.19 27.65 31.1 34.56 38.02 41.47 44.93 48.38 18.0 16.6 6.5 bolt

M10 10 10.4 21.5 15.0 30.0 10.37 13.82 17.28 20.74 24.19 27.65 31.1 34.56 38.02 41.47 44.93 48.38 22.5 20.7 10.4 ply

M12 12 15.1 31.4 18.0 36.0 13.82 17.28 20.74 24.19 27.65 31.1 34.56 38.02 41.47 44.93 48.38 27.0 24.9 13.8 ply

M14 14 20.8 43.1 21.0 42.0 17.28 20.74 24.19 27.65 31.1 34.56 38.02 41.47 44.93 48.38 31.4 29.0 17.3 ply

M16 16 28.6 59.3 24.0 48.0 17.28 20.74 24.19 27.65 31.1 34.56 38.02 41.47 44.93 48.38 35.9 33.2 17.3 ply

M20 20 44.7 92.7 30.0 60.0 20.74 24.19 27.65 31.1 34.56 38.02 41.47 44.93 48.38 44.9 41.5 20.7 ply

M24 24 64.3 133.5 36.0 72.0 27.65 31.1 34.56 38.02 41.47 44.93 48.38 53.9 49.8 27.6 ply

M30 30 103.0 213.7 45.0 90.0 31.1 34.56 38.02 41.47 44.93 48.38 67.4 62.2 31.1 ply

M36 36 150.6 312.6 54.0 108.0 38.02 41.47 44.93 48.38 80.9 74.6 38.0 ply