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Advisory Desk

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 …

AD 439: Transverse reinforcement in composite beams

This Advisory Desk note has been produced to reflect the publication in 2015 of P405 Minimum degree of shear connection rules for UK construction to Eurocode …

AD 438: Non-slip connections to BS 5950

This AD deals with the BS 5950 provisions for connections designed to be non-slip in service, as described in clause 6.4.1(b). Designers now using the …

AD 437: Curtailment of transverse bar reinforcement in composite beams with steel decking designed using Eurocodes

The purpose of this Advisory Desk Note is to provide guidance on the curtailment of transverse bar reinforcement in slabs on composite beams with steel …

AD 436: Section classification of a flat plate

SCI is sometimes asked how to determine the section class of a flat plate as BS EN 1993-1-1 does not include this section in table 5.2. The purpose of this …

AD 435: Beams supporting precast planks: checks in the temporary condition

The purpose of this note is to remind designers of their responsibility for basing their design on a safe method of erection. This is particularly necessary if …

AD 434: Validity rules for hollow section joints

This AD note concerns a significant typographical error in Table 7.8 of BS EN 1993-1-8. The table presents validity limits for welded joints between hollow …

AD 433: Dynamic modulus of concrete for floor vibration analysis

The purpose of this AD note is to provide advice on the choice of elastic modulus of concrete when undertaking the vibration analysis of a composite floor. In …

AD 432: Wind loads on building canopies

The purpose of this AD note is to direct designers’ attention to PD 6688-1-4 as a source of design loads on building canopies and useful data and guidance …

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