Steel member check

A rolled I or H member under axial force, bending about both axes and shear: classification, cross-section resistance, flexural and lateral-torsional buckling and the Annex B interaction, with every step written out.

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INPUTkN · m · EN 1993-1-1

1 · Member

Section Steel

Length L [m]

k_y L_cr,y/L k_z L_cr,z/L k_LT between restraints

2 · Design forces maximum along the member

N_Ed [kN] compression + V_z,Ed [kN]

M_y,Ed [kN·m] strong axis M_z,Ed [kN·m] weak axis

3 · Moment shapes M_y between lateral restraints sets C_1, k_c and C_mLT

C_1 C_mLT

M_y over the buckling length y sets C_my M_z over the buckling length z sets C_mz

4 · Factors EN recommended — check the National Annex

γ_M0 γ_M1 χ_LT,mod

Results update as you type.

UTILISATION

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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 1993-1-1: Table 5.2, 6.2, 6.3.1, 6.3.2.3 and Annex B (method 2), recommended values. Section data to EN 10365.

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