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.
Open Doors returns next month offering a unique chance to see behind the scenes at major 'live' construction sites across England, Scotland and Wales.
Building successful UK sectors in smart cities, cyber and physical security and realising the potential of the Internet of Things (IoT) is at the heart of the Digital Built Britain intiative. But what is the IoT and how can construction make the most of the opportunities it affords?