Technical
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 …
New and revised codes and standards: from BSI Updates February 2021
BS EN PUBLICATIONS BS EN ISO 8501-4:2020Preparation of steel substrates before application of paints and related products. Visual assessment of surface …
New guidance on fire resistance of galvanized steel sections
By Dr Francisco Meza, Principal Engineer, SCI
AD 458: panel shear resistance
This AD relates to a bolted moment-resisting connection and the determination of the shear force in the column web panel, and in particular the selection of a …
New and revised codes and standards: from BSI Updates January 2021
BS EN PUBLICATIONS BS EN 17412-1:2020Building Information Modelling. Level of Information Need. Concepts and principlesno current standard is superseded BS EN …
U-Frame action design according to Eurocodes
Ricardo Pimentel of the SCI discusses the consideration of U-Frame action to restrain members susceptible to flexural and lateral torsional buckling according …
AD 455: Design resistances for bespoke components in P358 (Green Book)
A reader has questioned the design resistances tabulated for bespoke components in P358 – the Green Book for nominally pinned joints to Eurocode 3. The …
New and revised codes and standards: from BSI Updates November 2020
BS EN PUBLICATIONS BS EN ISO 1460:2020Metallic coatings. Hot dip galvanized coatings on ferrous materials. Gravimetric determination of the mass per unit …
Shelf angle floor beams in fire
Mark Lawson, Consultant to The Steel Construction Institute, discusses the resistance of unprotected shelf angle floor beams at elevated temperatures. In order …
AD 453: Accumulated deviations in erected steelwork
Questions about tolerances continue to arrive at SCI’s Advisory Desk – often concerning the potential to sum all the possible deviations to reach a …








