Technical
AD 527: Hybrid connections with bolts and welds
SCI’s Advisory service occasionally receives questions about connections where load is to be shared between bolts and welds. This AD explains the code …
New and revised codes and standards from BSI updates March 2024
BRITISH STANDARDS UNDER REVIEW BS EN 1011-3:2018Welding. Recommendations for welding of metallic materials. Arc welding of stainless steels. BS EN …
Fire protection of steelwork
In this first of two technical articles, David Brown of the Steel Construction Institute gives some general background on fire protection and demonstrates how …
New and revised codes and standards: from BSI Updates February 2024
BS EN PUBLICATIONS BS EN 10088-1:2023Stainless steels. List of stainless steelssupersedes BS EN 10088-1:2014 BS EN 10088-3:2023Stainless steels. Technical …
AD 524: Composite slabs and minimum reinforcement limits
Reinforcement in composite slabs is not only required to provide resistance to the slab but also to prevent cracking of concrete. Codified limits to the …
Atmospheric corrosivity classifications for weathering steel
Weathering steel has an increased resistance to atmospheric corrosion, compared to conventional steel, and a distinctive appearance which make it attractive …
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 …
New and revised codes and standards: From BSI Updates January 2024
BS EN PUBLICATIONS BS EN 1991-2:2023Eurocode 1. Actions on structures. Traffic loads on bridges and other civil engineering workssupersedes BS EN 1991-2:2003 …
Reaching for the asymptote – what is an optimal design?
Greatly simplifying the complex subject of structural design, one would imagine that an optimally designed element, or structure, would achieve unity factors …
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 …
