Technical
AD 420: Minimum values of shear and bending moment in beams with web openings
Table 3.1 of SCI publication P355 gives minimum values of co-existent shear and bending moment to be used at beam openings. This AD provides clarity on how …
New and revised codes & standards: June 2018
BS EN PUBLICATIONS BS EN 1011-8:2018 Welding. Recommendations for welding of metallic materials. Welding of cast irons Supersedes BS EN 1011-8:2004 CORRIGENDA …
AD 419: Composite beams with different positions of web openings
SCI publication P355 is widely used to design beams with large web openings. It is adopted in the development of software to design hot rolled and fabricated …
New and revised codes & standards, from BSI Updates May 2018
BS EN PUBLICATIONS BS EN ISO 2081:2018 Metallic and other inorganic coatings. Electroplated coatings of zinc with supplementary treatments on iron or steel …
U-frames in bridges
Bridge designers will be familiar with compression flanges restrained by u-frames. David Brown of the SCI introduces the concept and illustrates the same …
New and revised codes & standards, from BSI updates April 2018
BS EN PUBLICATIONS BS EN ISO 9017:2018 Destructive tests on welds in metallic materials. Fracture test Supersedes BS EN ISO 9017:2013 BS EN ISO 13918:2018 …
AD 418: Web-post buckling in composite beams with rectangular and elongated web openings
The design of composite beams with large web openings is presented in SCI P355, which has been adopted in the development of software for the design of both …
The use of S355 fin plates
Increasing interest in the use of S355 for fin plates prompted questions about the stiffness of such connections – are they still nominally pinned? David …
The resistance of cross sections subject to shear and bending – theoretical analysis and practical design rules
Sections subject to both bending and shear have a reduced bending resistance where the shear force is greater than half the shear resistance. Richard Henderson …
AD 417: Resistance of sections to combined shear and bending
This Advisory Desk note reminds designers that the form of the section has a significant impact on the reduction of bending resistance under high shear. Clause …
