Technical
National Highways sector schemes changes
National Highways has recently published a replacement for the 1800 Series. The new specification is called CP 483 Instruction for specifiers for CC 483 – …
New and revised codes and standards
From BSI Updates November 2025 BS EN PUBLICATIONS BS EN 1993-1-14:2025Eurocode 3. Design of steel structures. Design assisted by finite element analysis. BS EN …
Restraint forces to long-span roof truss systems
Dr. Yigit Ozcelik of the Steel Construction Institute (SCI) presents findings from a recent SCI research project sponsored by BCSA, investigating the adequacy …
Members with axial load and moments – at elevated temperatures
In what could be the final article on structural steel design at elevated temperatures (at least until Gen2 in 2028!) David Brown of the SCI looks at the …
AD 550: Stiffness classification forwelded beam to column joints
If a bolted beam to column joint is to be classified as “rigid”, practical recommendations are contained in the Green Book on moment-resisting joints …
New and revised codes and standards- from BSI Updates October 2025
BS EN PUBLICATIONS BS EN 10378:2025Welded stainless steel square and rectangular tubes for mechanical and structural engineering and decorative use. 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, …
