Technical
The provision of shear connectors in composite beams – some code comparisons and subtleties
In this article, Dr Graham Couchman of SCI discusses how design rules have evolved despite the product apparently not changing, and what that means in terms of …
AD 559: Typographical errors in AD 471
An SCI member has identified typographical errors in AD Note 471. The corrected expressions are given below: Columns subjected to axial compression: The strut …
Removal of temporary lifting attachments on bridges
Certain topics can trip up an engineer more often than others, and without doubt, fatigue is one. In this article, the SCI’s Max Cooper discusses temporary …
AD 540A: Vertical shear resistance of composite slabs and anchorage
Revision Note The guidance on reinforcement anchorage has been updated to align with our understanding of how the second generation of Eurocodes should be …
Fire boundary conditions and the distribution of unprotected areas
The so-called “fire boundary condition” is an important consideration for designers of single-storey buildings. Max Cooper of the SCI offers some thoughts …
AD 557: Robustness and fire
SCI’s Advisory Desk has become aware of some requests to apply the “robustness” rules found in BS 5950 and BS EN 1991 in the fire limit state. This AD …
Longitudinal and transverse material properties for cold-formed structural elements
Andrew Way of the SCI and Stephen Hall of Hadley Group examine the complexities of material properties for thin-gauge steel. The potential difficulties in the …
AD 555: Laser screed machines used during the construction of composite slabs
It has come to SCI’s attention that some contractors are using large laser levelling machines when pouring composite slabs (as shown in Figure 1), and it is …
Eurocode early amendments – what have we done?
In this latest article, SCI’s Dr Graham Couchman, former chairman of the ‘Eurocode 4 committee’, explains the process to create Generation 2 Eurocodes …
AD 554: Internal pressure and large openings
SCI’s advisory desk sometimes gets asked about calculating the internal pressure coefficients in buildings with large openings and whether the situation …
