Bolted Extended End-Plate Moment Connection

8 bolts Primary dimension

4-row Section

S355 Steel grade

C. Mertens Designer

Ghent, BE Location

Extended 8-bolt 4-row end-plate connection for HEA 280 beam-to-column moment frame. Column web stiffeners required at tension zone. 8×M24 10.9 preload, Class 4 category per EN 1993-1-8 Table 3.1. Designed for M_Ed = 180 kNm.

Project highlights

8×M24 10.9 four-row config
Column web stiffeners
Class 4 extended end-plate
M_Ed = 180 kNm design

Eurocode design summary

EN 1993-1-8 §6.2.7Extended end-plate, 4-row, Class 4

Bolt group design8×M24 10.9, preload Class 1.8

Column web panelV_wc,Rd = 287 kN, γM0=1.0

T-stub in tensionF_T,1-4,Rd = 402 kN per bolt row

EN 1090-2 — Execution classEXC 2

4 downloadable artefacts

DSTV NC1 — CNC data 7th edition ASCII

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DXF — Shop drawings AutoCAD R12

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IFC — BIM model IFC 4 × 3

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PDF — Calculation note EN 1993-1-8 §6.2.7

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Calculation overview

Max utilization 74.8%

Bolt preload 215 kN (Class 1.8)

End-plate thickness 30 mm (S355)

Stiffener plate 200×150×10 mm

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