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Typical concrete comprises cement, water, gravel and sand. While this mixture makes the substance hard and strong, it does not promote flexibility. Thus concrete is brittle and prone to cracks if too much weight is applied. What if it could be more bendable?
A new project to transform building facades into ‘biological computers’ made up of ‘digestive’ bricks that can create useful products from waste has been launched at Newcastle University.
An understanding of how sound behaves in modern offices, and how to control excessive airborne sound, or noise as it then becomes known, is essential. Through the use of computer modelling, noise mapping and a knowledge of processes including flanking and noise masking, this programme looks at how acoustic engineers tailor to achieve that control.
Dr Stephen Hamil muses on the question "What does BIM mean from a service engineering point of view?" posed at the CIBSE Building Services Conference.
We start by hearing how the UK's network of 200 fundamental benchmarks all stem from a single 'mother' benchmark at Newlyn in Cornwall. We show how the network expanded and we learn why now, in this highly technical modern age, the humble benchmarks' days are over.
Whether the ground floor of a house is suspended or filled, it will include either a solid slab or an oversite layer of concrete laid on compacted hardcore directly on the ground. Both hardcore and soil are potential sources of sulfates and other chemicals harmful to concrete. This programme investigates the hardcore components and soil conditions likely to contain sulfates, explains how concrete is affected by sulfate attack and looks at methods used to prevent such damage.