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AD 434: Validity rules for hollow section joints

AD 434: Validity rules for hollow section joints

This AD note concerns a significant typographical error in Table 7.8 of BS EN 1993-1-8. The table presents validity limits for welded..

October 9, 2019
AD 431: Column web panel strengthening

AD 431: Column web panel strengthening

The purpose of this Advisory Desk note is to draw attention to the contribution that full-depth stiffeners make to the shear resistance of..

June 12, 2019
AD 429: Slip factors for alkali-zinc silicate paint

AD 429: Slip factors for alkali-zinc silicate paint

This AD note draws attention to the slip factors for alkali-zinc silicate painted faying surfaces considered in AD 383 which have been..

April 4, 2019
AD 427: Typographical error in P419

AD 427: Typographical error in P419

A few eagle-eyed readers have noticed a typographical error in SCI publication P419 Brittle fracture: selection of steel sub-grade to BS EN..

February 7, 2019
New Steel Construction Technical Digest now available online

New Steel Construction Technical Digest now available online

New Steel Construction’s (NSC) third Technical Digest, which brings together a year’s worth of technical guidance, is now available for..

February 7, 2019
AD 426: Bolt head protrusion through nuts and threads in grip lengths

AD 426: Bolt head protrusion through nuts and threads in grip lengths

To ensure that bolt threads are fully engaged in the nut, BS EN 1090-2 clause 8.2.2 specifies that the protrusion must be at least one..

January 2, 2019
AD 425: Full depth stiffeners and lateral torsional buckling

AD 425: Full depth stiffeners and lateral torsional buckling

The SCI Advisory Desk sometimes receives questions about the potential to use full depth stiffeners to restrain lateral torsional buckling,..

January 2, 2019
AD 424: Shear stud length

AD 424: Shear stud length

SCI has been advised that shear studs which are shorter than usual have been placed on the market in the UK, and this AD warns against..

November 7, 2018
AD 422: Punching shear check for fin plates in P358

AD 422: Punching shear check for fin plates in P358

This AD note relates to Check 10 for fin plates in P358 Simple Joints to Eurocode 3 (the Eurocode “Green Book” on simple connections)...

September 13, 2018
AD 421: Design responsibility for welds in fabricated plate girders

AD 421: Design responsibility for welds in fabricated plate girders

In recent months the SCI has received a number of questions about responsibility for the design of the welds between the web and flanges of..

September 13, 2018