Advisory Desk
AD 520: Amendment to Table 8 in the MPS-Bolts (issue 14)
The BCSA has reviewed the requirements for impact test for machined test pieces in Table 8 of the Model specification for the purchase of structural bolting …
AD 519: Equivalent horizontal forces and combinations of actions
Recent questions to SCI’s Advisory Desk have shown that some designers are unclear whether equivalent horizontal forces (EHFs) should be applied to a …
AD 517: Heavy concentrated loads on composite slabs
This note revisits the subject of concentrated loads on composite slabs. Earlier notes AD450 and AD477 considered how to design the slab, and particularly the …
AD 515: Welding of structural nuts and bolts
SCI’s Advisory Desk has recently received queries from designers asking if it permissible to weld structural nuts and bolts – typically for situations …
AD 512: Eurocode requirements for wind bracing connections
AD 509 reminded designers that according to BS 5950, preloaded assemblies are not required when reversal is solely due to wind loading. The AD recommended that …
AD 510: P281 worked example of beams curved on plan
SCI publication P281 was published in 2001 covering the design of curved steel members, in accordance with BS 5950. It is clear that this guide is still used, …
AD 509: Non-slip connections in wind bracing
SCI have received reports that frame designers are specifying non-slip connections for wind bracing – typically on the elevations or in the roof – noting …
AD 507: Galvanizing steel of grade S460M
SCI has recently been asked whether the heating of thermomechanical rolled steel of grade S460M when subject to hot-dip galvanizing will affect the properties …
AD 504: Web to flange welds in box sections subject to bending and torsion
SCI has recently been asked about sizing welds between webs and flanges of a fabricated box section subject to applied torsion and bending. This AD note gives …
AD 502: Design to BS 5950 and other standards
The Advisory Desk is regularly asked whether it is acceptable to carry out structural designs to standards other than the Eurocodes. This note draws attention …