Technical
AD 549: Steel decking and composite slab span types
Design software, or load-span information, provided by floor decking manufacturers will normally be used to verify the steel decking and composite slab, as its …
New and revised codes and standards: From BSI Updates September 2025
CORRIGENDA TO BRITISH STANDARDS BS EN 17549-2:2023 (CD-ROM)Building information modelling. Information structure based on EN ISO 16739 1 to exchange data …
Composite column design
Although not commonly used in the UK, composite columns can, from a structural, fire resistance and accidental loading perspective, be advantageous, as they …
AD 548: High shear regions for large web openings as defined in SCI P355
SCI’s advisory desk has been asked about the definition of a ‘high shear’ region in SCI P355 Design of Composite Beams with Large Web Openings. In P355, …
New and revised codes and standards: July & August 2025
From BSI Updates July 2025 BRITISH STANDARDS REVIEWED AND CONFIRMED BS EN ISO 15607:2019Specification and qualification of welding procedures for metallic …
New and revised codes and standards: from BSI Updates June 2025
BRITISH STANDARDS REVIEWED AND CONFIRMED BS 6100-0:2010Building and civil engineering. Vocabulary. Introduction and index. PD …
AD 546: Critical temperatures for compression members in the UK NA to BS EN 1993-1-2
The UK NA to BS EN 1993-1-2 contains values for critical temperatures for compression members, presented in Table NA.1 as a matrix of values for combination of …
New SCI publication on steel castings
Modern steel construction continually pushes boundaries, demanding greater complexity and enhanced aesthetic appeal, while maintaining, or even increasing, …
Calculation of αcr for unbraced frames
In this article, Dr. Yigit Ozcelik of the Steel Construction Institute (SCI) presents a simple yet efficient hand method to estimate the global stability …
AD 544: Washers for preloaded bolting assemblies
The SCI Advisory Desk sometimes receives questions about washers for preloaded bolting assemblies. When preloaded bolts are tightened and unhardened washers …
