Bolt group & fillet weld

Eccentric shear on a bolt group or a fillet weld group by the elastic method: the force on every bolt or along every weld, checked for shear, bearing, tension and their interaction to EN 1993-1-8.

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INPUTkN · mm · EN 1993-1-8

1 · Connection Check

2 · Design forces at the centroid of the group

V_x [kN] horizontal V_y [kN] vertical

e [mm] V_y from the centroid M_z [kN·m] extra, anticlockwise

Tension N [kN] out of plane, shared equally

3 · Bolts

Size Class

Columns Rows

Spacing p_x [mm] Spacing p_y [mm]

Edge e_x [mm] outer column to plate edge Edge e_y [mm] outer row to plate edge

Shear plane through Shear planes

Plate t [mm] thinnest ply in bearing Plate steel

γ_M2 1.25 recommended — check the National Annex

Results update as you type.

BOLT FORCES

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HOW IT'S CALCULATED · WITH YOUR NUMBERS

Step by step, with your numbers

01
Equilibrium████ ██ ███████ · ██████ = ██.██
02
Reactions████ ██ ███████ · ██████ = ██.██
03
Shear force████ ██ ███████ · ██████ = ██.██
04
Bending moment████ ██ ███████ · ██████ = ██.██
05
Deflection████ ██ ███████ · ██████ = ██.██
06
Stress████ ██ ███████ · ██████ = ██.██

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EN 1993-1-8 Tables 3.1, 3.3, 3.4 and 4.1, clause 4.5.3.3 (simplified method); EN 1993-1-1 Table 3.1; elastic method for eccentric loads.

BEYOND THE ELASTIC METHOD

Moment connections, end plates with prying, slip-resistant joints and FE of the joint — we model it.

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