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AD 493: Steel grade based on tested samples

The SCI has recently received a number of questions relating to the sampling of existing steelwork to determine the steel grade. In each case, no records of …

AD 491: Hydrogen embrittlement in structural bolting assemblies – effects and remedies

Introduction Hydrogen embrittlement is a mode of failure that can affect high strength structural steel bolts. It is a reduction in the ductility of steel due …

AD 489: Height of shear studs

AD 380 entitled “What height of shear stud should be used in Eurocode 4?” provided interim advice on the height/length of shear studs to be used in design …

AD 484: Snow design situations

This advisory note aims to offer clarity when considering snow loading – in particular the drifted snow design situations. Snow loads are covered by BS EN …

AD 480: Correction to P399 Appendix F Worked Example

It has been brought to our attention that in the worked example presented in SCI publication P399 Design of steel portal frame buildings to Eurocode 3, the …

New Steel Construction Technical Digest now available online

New Steel Construction’s (NSC) sixth Technical Digest, which brings together a year’s worth of technical guidance, is now available for download at: …

AD 466: Probability factors applied to characteristic wind and snow loads for non-standard return periods

In order to retain the accurate formatting of the equations in this AD Note, this article is available as a pdf download only. Click here to download and view …

AD 465: Amendment to clauses on negative tolerances on cambers in the National Structural Steelwork Specification

Engineers generally specify cambers on steel beams to reduce deflection under self-weight. However, when specifying cambers, they should carefully consider the …

AD 460: Amendment A2 to EN 1993-1-4

In February 2021, the second amendment to the 2006 version of the stainless steel Eurocode was published, EN 1993-1-4:2006+A2:2020. The amendment consists of …

AD 428A: Lateral and torsional vibration of half-through truss footbridges

Revision NoteThis AD note was first issued to provide interim guidance on the design of half-through footbridges. It has now been revised following publication …

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