Advisory Desk
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 471: Second order moments for splice design
AD notes 243 and 244 were produced when BS 5950:1990 was current. The present AD note provides an update for designers using BS EN 1993-1-1. The same …
AD 486: NSSS Annex J amendment
The Sustainability Specification for structural steelwork, which is the new Annex J to the National Structural Steelwork Specification for Building …
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 481: Composite beams with deep composite slabs
It has come to SCI’s attention that composite slabs with an overall depth/thickness in the range of 200 mm to 250 mm are becoming increasingly common, …
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 …
AD 477: Transverse bending of composite slabs subjected to point loads
In order to retain the accurate formatting of the equations in this technical paper, this article is available as a pdf download only. Click here to download …
AD 475: Buckling of cruciform columns
In order to retain the accurate formatting of the equations in this technical paper, this article is available as a pdf download only. Click here to download …
AD 473: Holes in beams for temporary lifting attachments
The SCI has been asked to consider the requirement of clause 6.2.5(6) in BS EN 1993-1-1, which covers the allowance for fastener holes when calculating cross …
