Advisory Desk
AD 502: Design to BS 5950 and other standards
The Advisory Desk is regularly asked whether it is acceptable to carry out structural designs to standards other than the Eurocodes. This note draws attention …
AD 500: Tolerance at cantilever tips
Although BS EN 1090-2 and the National Structural Steelwork Specification (NSSS 7th) include a permitted deviation at the tip of a pre-set cantilever, this AD …
A milestone in advisory desk notes
The issue of AD 500 marks a significant achievement in the provision of technical advice to the steel construction industry. Advice was issued from 1988 within …
AD 497: NHSS 20 – SHW Series 1800 Certification Requirements
BCSA has been made aware of a number of steelwork contractors, who intend working on schemes where the National Highways Specification Series 1800 for …
AD 496: Toughness testing of bolts
Bolts used in environments subject to low temperatures that fall outside the range of temperatures usually encountered, such as in cold stores, may require …
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 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 …
