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Steel Connection Design

Design bolted and welded steel connections to Eurocode 3 (EN 1993-1-8). Choose a connection type below - each opens an interactive 3D calculator that verifies every failure mode (bolt group, plate, member, weld) with step-by-step derivations and a clear PASS/FAIL. Fin plate (shear) connections are available now; end plate, hollow-section and bracing connections are being added.

Choose a steel connection type below. Each opens an interactive 3D calculator that checks the connection to Eurocode 3 (EN 1993-1-8) with step-by-step derivations and a clear PASS/FAIL.

Fin plate (shear)Bolted shear tab - a beam web bolted to a plate welded to the support. The most common simple connection.EN 1993-1-8 / SCI P358
End plateFlexible or extended end plate - shear and moment connections with T-stub flange checks.EN 1993-1-8 / SCI P358
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Base plateSteel column on a base plate with holding-down anchors into concrete. Opens the anchor design tool.EN 1992-4 / EN 1993-1-8
Hollow sectionI-beam to CHS / RHS column connections - chord face, punching and CIDECT checks.EN 1993-1-8 / CIDECT
Bracing / gussetGusset plate and rod-to-plate bracing connections - weld, block tear-out and gusset checks.EN 1993-1-8 / SCI P358
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