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Supporting a boundary elevation

For decades, the detailing of boundary walls of single-storey buildings has followed guidance in P313 and before that, in P087, and going back further, advice …

AD 539: Locking devices for fasteners subject to vibration

SCI is occasionally asked about nuts coming loose if joints are subject to vibration. A number of solutions are possible of which the following are examples. …

New and revised codes and standards from BSI Updates February 2025

BS EN PUBLICATIONS BS EN ISO 8044:2025Corrosion of metals and alloys. Vocabulary.supersedes BS EN ISO 8044:2020 NEW WORK STARTED BS 1993-1-5 NA to BS ENUK …

What is fire resistance?

Graham Couchman of the Steel Construction Institute charts the history of fire resistance in structural engineering, and concludes that designs, in the most …

AD 537: Web resistance

The Blue Book contains values of web resistance, for various stiff bearing lengths, ss. During the work to prepare for the “Generation 2” changes, it has …

New and revised codes and standards from BSI Updates January 2025

BS EN PUBLICATIONS BS EN 17632-2:2024Building information modelling (BIM). Semantic modelling and linking (SML). Domain-specific modelling patterns. NEW WORK …

New code, new resistance value

In a continuing series of articles looking at the “Generation 2” Eurocodes, David Brown of the SCI considers the significant changes to the bearing …

AD 536: In-plane member buckling lengths for portal frames

The verification of members in portal frames leads to a common question about in-plane buckling lengths, especially when designers are using general software. …

New and revised codes and standards, from BSI updates, November & December 2024

From BSI Updates November 2024 UPDATED BRITISH STANDARDS BS EN ISO 9013:2017+A1:2024Thermal cutting. Classification of thermal cuts. Geometrical product …

Dealing with multiple point loads on a composite slab

Whilst placing concentrated loads on composite slabs is not particularly recommended, we are seeing more and more situations where multiple, sometimes quite …

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