Technical
AD 406: Transient response factors in vibration analysis of staircases
SCI recommends that for most orthodox designs the transient response of a staircase should not be considered in design, as first implied by AD330 [1]. The …
New and revised codes & standards: from BSI Updates March 2017
BRITISH STANDARDS BS 8548:2017 Guidance for arc welding of reinforcing steel No current standard is superseded BS EN PUBLICATIONS BS EN ISO 8502-2:2017 …
Steel construction with trusses
Richard Henderson of the SCI discusses the use of trusses in
AD 405: Vibration assessment of transient response factors
This advisory desk note clarifies advice given in SCI P354: Design of floors for vibration: a new approach, regarding the calculation of the transient response …
New and revised codes & standards: from BSI Updates February 2017
BS EN PUBLICATIONS BS EN ISO 148-1:2016 Metallic materials. Charpy pendulum impact test. Test method Supersedes BS EN ISO 148-1:2010 BS EN ISO 148-3:2016 …
AD 401a: Appropriate anchorage of parallel decking (Revised)
Where profiled steel decking is parallel to the supporting beam, BS EN 1994-1-1 (incorporating corrigenda April 2009: 2004) allows the shear resistance of a …
Mcr Calculation software
David Brown and Ibrahim Fahdah of the SCI introduce the new design tool on
AD 404: Columns in simple construction
SCI has received reports that some designers are disregarding the rules for the design of columns in braced frames (simple construction). In some cases the …
New and revised codes & standards: From BSI Updates December 2016 and January 2017
BS EN PUBLICATIONS BS EN 10027-1:2016 Designation systems for steels. Steel names Supersedes BS EN 10027-1:2005 BS EN ISO 17638:2016 Non-destructive testing of …
Restraint to chords
BS 5950 indicates that purlins can be assumed to provide out-of-plane restraint to trusses. David Brown of the SCI discusses the intended scope of the advice …









