Technical
New and revised codes & standards, from BSI Updates November 2018
BS EN PUBLICATIONS BS EN 560:2018 Gas welding equipment. Hose connections for equipment for welding, cutting and allied processes Supersedes BS EN 560:2005 BS …
AD 426: Bolt head protrusion through nuts and threads in grip lengths
To ensure that bolt threads are fully engaged in the nut, BS EN 1090-2 clause 8.2.2 specifies that the protrusion must be at least one thread pitch. This is …
AD 425: Full depth stiffeners and lateral torsional buckling
The SCI Advisory Desk sometimes receives questions about the potential to use full depth stiffeners to restrain lateral torsional buckling, suggesting that the …
Composite beam design at elevated temperature: comparisons between different temperature distributions in the concrete flange
Several resources give guidance on the temperature profile through composite slabs; BS 5950-8, EN 1994-1-2 and NCCI PN005C-GB. Ricardo Pimentel of the SCI …
New and revised codes & standards: from BSI Updates October 2018
BS EN PUBLICATIONS BS EN ISO 15626:2018 Non-destructive testing of welds. Time-of-flight diffraction technique (TOFD). Acceptance levels Supersedes BS EN ISO …
AD 424: Shear stud length
SCI has been advised that shear studs which are shorter than usual have been placed on the market in the UK, and this AD warns against using them unless the …
Temperature profiles through composite slabs at elevated temperatures
Callum Heavens of the SCI discusses different methods for determining temperature profiles through composite slabs at elevated temperatures. Introduction The …
AD 423: Reduction in bending resistance due to high shear
When considering the resistance of cross sections under combined bending and high shear, (where the shear is equal to or exceeds half the plastic shear …
New and revised codes & standards: from BSI Updates September 2018
BS EN PUBLICATIONS BS EN 1563:2018 Founding. Spheroidal graphite cast irons. Supersedes BS EN 1563:2011 BS EN 14399-7:2018 High-strength structural bolting …
Introduction to fatigue design to BS EN 1993-1-9
The assessment of fatigue performance is routine in bridge design but is only relevant to specific elements in buildings which may suffer from fatigue damage. …
