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Technical

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
New and revised codes & standards from BSI Updates November and December 2019

New and revised codes & standards from BSI Updates November and December 2019

BS EN PUBLICATIONS BS EN ISO 3269:2019 Fasteners. Acceptance inspection Supersedes BS EN ISO 3269:2001 BS EN ISO 6947:2019 Welding and..

January 2, 2020
Bolt slip in connections

Bolt slip in connections

The effect of bolt slip in truss connections is an issue that is raised with SCI from time to time in various contexts. Richard Henderson..

November 14, 2019
New and revised codes & standards: From BSI Updates October 2019

New and revised codes & standards: From BSI Updates October 2019

BS EN PUBLICATIONS BS EN 508-2:2019 Roofing and cladding products from metal sheet. Specification for self-supporting products of steel,..

November 14, 2019
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
Connection design in trusses

Connection design in trusses

A general article about steel trusses which touched on choice of members and their orientation but did not go into detail about designing..

October 9, 2019
New and revised codes & standards from BSI Updates September 2019

New and revised codes & standards from BSI Updates September 2019

BS EN PUBLICATIONS BS EN ISO 945-1:2019 Microstructure of cast irons. Graphite classification by visual analysis Supersedes BS EN ISO..

October 9, 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
Cross-braced lateral load-resisting systems

Cross-braced lateral load-resisting systems

Cross bracing is a traditional means of providing lateral stability to structures. Richard Henderson of the SCI discusses some of the..

September 11, 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