Technical
Generation2 snow loads
BS EN 1991-1-3:2025 was published in the early part of 2025 and will lead to significant changes in practice in how “drifted” snow is considered. David …
AD 553: Provision of sprinklers and fire compartments in single-storey buildings
The need to provide so-called Constrado (moment-resisting) bases to perimeter columns of single-storey buildings, when the wall is (or could become) …
Analysis of composite slabs
Liam Dougherty of the SCI looks at some of the different approaches that can be used to analyse composite slabs, focusing on the advantages and disadvantages …
AD 552: Errata in P362 – Steel building design; concise Eurocodes
Expressions 6.61 and 6.62 of BS EN 1993-1-1 are used when verifying a member subject to combined biaxial bending moments and axial force. SCI publication P362 …
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 …







