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Advisory Desk

AD 411: Design of web to flange welds in plate girders

AD 411: Design of web to flange welds in plate girders

The SCI Advisory Desk is frequently asked how to design the welds between the flange and web of a plate girder. The following note..

October 11, 2017
AD 410: Pouring concrete to a constant thickness or to a constant plane

AD 410: Pouring concrete to a constant thickness or to a constant plane

Composite flooring systems comprising concrete and profiled steel decking supported by a grillage of primary and secondary steel members..

September 7, 2017
AD 409: Recent Blue and Orange Book developments

AD 409: Recent Blue and Orange Book developments

Recent restructuring within the UK steel industry has led to new developments in the provision of structural steel design information..

July 13, 2017
AD 408: Effective length of cantilevers

AD 408: Effective length of cantilevers

SCI has recently been contacted regarding the effective length of cantilevers and the effective length factors applied for destabilizing..

June 15, 2017
AD 407: Section Classification

AD 407: Section Classification

SCI have been advised that some checking authorities have questioned the approach to calculating α and ψ, which are found in Table 5.2 of..

May 10, 2017
AD 406: Transient response factors in vibration analysis of staircases

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..

April 6, 2017
AD 405: Vibration assessment of transient response factors

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..

March 9, 2017
AD 401a: Appropriate anchorage of parallel decking (Revised)

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..

March 9, 2017
AD 404: Columns in simple construction

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). ..

February 9, 2017
AD 403: Steel strengths for fabricated haunches

AD 403: Steel strengths for fabricated haunches

This AD is a simple reminder that the steel strength selected for haunches must match that assumed in the design calculations. As S355 is..

January 3, 2017