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All articles published in the February 2012 issue.
(NB Technical Guidance Note Level 1, No. 3 contained within this issue was updated in October 2016. For the updated article, see the individual article entry for this issue.)
Publish Date - 1 February 2012
2012 President John Nolan brings a very special combination of career experiences to his year in office. A Chartered engineer who has worked as a labourer, contractor’s engineer, consulting engineer, business owner, property developer and client, John is extremely well placed to challenge consulting engineers on the conundrums of ‘Cost versus Value’.
Based on his 2012 James Sutherland History Lecture and drawing on a range of examples, Dr Bill Harvey illustrates the difficulties of predicting masonry behaviour.
Giles Waley reports on an award-winning project involving four complex temporary marine structures.
The development of health and safety management
The history of health and safety management in construction is the history of adverse public reaction to events; a testament to the work of certain enlightened individuals and organisations, and a gradual promotion of increased standards by government. To counter this, there has been an equally long history of resistance: often framed as ojections to 'excessive paperwork' and to the perceived expense of protective measures.
The collapse of temporary stage structures.
Alastair Soane, Director of Structural-Safety.org draws readers’ attention to
the latest alert published by the programme.
Imposed load is defined as the load that is applied to the structure that is not permanent and can be variable. In Eurocode phraseology, it is described as a 'quasi-permanent variable action'. Please be aware that this note does not cover lateral loads onto barriers, balustrades and axle loads from vehicles. These will be covered in a forthcoming note.
(This article was updated in October 2016 to reflect errata issued since its original publication.)
This Technical Guidance Note concerns the derivation of wind load onto structures. It is based on Eurocode 1: Actions on Structures Part 1-4; General Actions – Wind Actions. With this being focused on a load that is sensitive to the environment, the UK Annex to the Eurocode plays a significant part as it makes reference to wind speeds that are unique to the British Isles. There are a large amount of variations and conditions the designer must be aware of when determining wind loads on structures. It is for this reason that the reader is referred to the code text more often than in other notes in this series.
Topics of importance openly discussed...
In the ten years since its formation, the BC group have enjoyed a number of successes...