Concrete
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| Did you know | The concrete had been added onto, patched and repaired. |
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About Concrete
Concrete, usually Portland cement concrete, is a composite material composed of fine and coarse aggregate bonded together with a fluid cement that hardens over time—most frequently a lime-based cement binder, such as Portland cement, but sometimes with other hydraulic cements, such as a calcium aluminate cement.
Student unions and lecture halls shut at Raac unis
...By Aisha Doherty and Vanessa Clarke BBC NewsLecture theatres, science laboratories and student unions are among UK university buildings shut because of a crumbling Concrete...
Gillian Keegan caught swearing over school concrete crisis
... the education secretary was pushed on whether the government had done enough to fix the problem of crumbling Concrete - also known as reinforced autoclaved aerated Concrete (RAAC) - in school buildings...
Which schools have shut buildings or moved over aerated concrete?
...More than 150 schools in England have been identified as having a type of potentially dangerous Concrete - with many now closing buildings or classrooms to make them safe...
Ukraine war: New images show Russian army base built in occupied Mariupol
... Last month, UK defence officials said the Russian military was using two plants in occupied Mariupol to produce large numbers of " dragon s teeth" - Concrete blocks designed to slow advancing enemy armour and other vehicles...
The man turning mud into eco-friendly 'concrete'
...The man turning mud into eco-friendly Concrete This video can not be playedTo play this video you need to enable JavaScript in your browser...
Business Secretary Kwasi Kwarteng orders scientific review of fracking impact
... But last week, regulators lifted an order for the two controversial wells to be capped with Concrete...
Ukraine war: Kyiv terrain will slow Russian troops, say Ukraine generals
... Another advantage, according to the general, is that Kyiv is an industrial city, with workshops and factories that have repurposed themselves to produce the items needed for fortifications - Concrete blocks, sandbags, and a variety of savage-looking anti-tank obstacles...
The deaths that came in the cold
... Their home sits snug among a line of row houses - Concrete buildings painted yellow, pink and white...
Student unions and lecture halls shut at Raac unis
By Aisha Doherty and Vanessa Clarke Bbc News
Lecture theatres, science laboratories and student unions are among UK University buildings shut because of a crumbling Concrete .
Thirteen universities have told Bbc News they have closed or partially closed areas containing reinforced autoclaved aerated Concrete (Raac).
Lectures have had to move to other areas of campus.
Some freshers events have also been affected as universities make areas safe.
Last week, The Department For Education (DfE) advised schools, colleges and nurseries in England to vacate areas known to contain Raac, unless suitable mitigating measures had been put in place.
Other public buildings across The UK, built or modified between The 1950s and The mid-1990s, are also affected.
, After The Concrete was found in theatres.
And St David 's Hall, in Cardiff, has closed for checks, with comedian Adrian Edmondson, singer Alfie Boe and 1980s Rock Band Europe due to perform in The Coming weeks.
to report they may have been built using Raac and The government said it was working quickly to establish The scale of The Problem .
Many buildings have been managing and monitoring The Situation for years, In Line with previous guidance, But Some are now taking extra precautions.
Of The 81 universities to have responded to a Bbc News request for information:
ScotlandEnglandWalesAlso on Thursday, The DfE built using The Concrete - But education unions said it " does not appear to reflect The full extent of The Problem " and must be updated.
The DfE said The List included only schools where its surveyors had found The Concrete as of 30 August - and not those that had had their own surveys.
Six unions have now written to Education Secretary Gillian Keegan , including: " How many schools with suspected Raac have yet to be surveyed? "
In Essex, The County with The Most affected schools, about 25 are closed, partly closed or making alternative arrangements and.
Related TopicsSource of news: bbc.com
Concrete Photos
