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Advisory Desk

AD 460: Amendment A2 to EN 1993-1-4

In February 2021, the second amendment to the 2006 version of the stainless steel Eurocode was published, EN 1993-1-4:2006+A2:2020. The amendment consists of …

AD 428A: Lateral and torsional vibration of half-through truss footbridges

Revision NoteThis AD note was first issued to provide interim guidance on the design of half-through footbridges. It has now been revised following publication …

AD 458: panel shear resistance

This AD relates to a bolted moment-resisting connection and the determination of the shear force in the column web panel, and in particular the selection of a …

AD 455: Design resistances for bespoke components in P358 (Green Book)

A reader has questioned the design resistances tabulated for bespoke components in P358 – the Green Book for nominally pinned joints to Eurocode 3. The …

AD 453: Accumulated deviations in erected steelwork

Questions about tolerances continue to arrive at SCI’s Advisory Desk – often concerning the potential to sum all the possible deviations to reach a …

AD450: Resistance of composite slabs to concentrated loads

EN 1994-1-1 clause 9.4.3 is entitled effective width of composite slabs under concentrated point and line loads. It has been the cause of much confusion, as …

AD 448: Support to profiled steel decking

It is now over ten years since the revised edition of P300 was published by SCI. This work, in collaboration with the Metal Cladding and Roofing …

AD 447: Openings in composite slabs

It is now over ten years since the revised edition of P300 was published by SCI. This work, in collaboration with the Metal Cladding and Roofing …

AD 443: The use of fully threaded bolts

SCI has been surprised to hear of the use of fully threaded bolts being questioned, as these have been in common use – and have been the standard bolt used …

AD 440: Fire design of external steelwork

SCI publication P375 Fire resistance design of steel framed buildings gives guidance on (amongst other things) the design of external steelwork when heated by …

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