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Advisory Desk

AD 440: Fire design of external steelwork

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..

May 13, 2020
AD 439: Transverse reinforcement in composite beams

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..

April 8, 2020
AD 438: Non-slip connections to BS 5950

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..

March 11, 2020
AD 437: Curtailment of transverse bar reinforcement in composite beams with steel decking designed using Eurocodes

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..

February 13, 2020
AD 436: Section classification of a flat plate

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..

January 2, 2020
AD 435: Beams supporting precast planks: checks in the temporary condition

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..

November 14, 2019
AD 434: Validity rules for hollow section joints

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..

October 9, 2019
AD 433: Dynamic modulus of  concrete for floor vibration analysis

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..

September 11, 2019
AD 432: Wind loads on building canopies

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..

July 9, 2019
AD 431: Column web panel strengthening

AD 431: Column web panel strengthening

The purpose of this Advisory Desk note is to draw attention to the contribution that full-depth stiffeners make to the shear resistance of..

June 12, 2019