RAAC: pressure test shows risk posed by crumble-risk concrete скачать в хорошем качестве

RAAC: pressure test shows risk posed by crumble-risk concrete

Ministers have ordered schools to immediately shut structures built using reinforced autoclaved aerated concrete (RAAC) until safety work is undertaken. The decision could result in thousands of pupils at more than 100 schools in England beginning the autumn term via remote lessons. Subscribe to Guardian News on YouTube ► http://bit.ly/guardianwiressub RAAC, a lightweight building material used between the 1950s and the mid-1990s, is now assessed to be at risk of collapse. Demonstrations show the lightweight nature of RAAC and how it lacks the strength of modern concrete. The Guardian publishes independent journalism, made possible by supporters. Contribute to The Guardian today ► https://bit.ly/3uhA7zg Sign up to the Guardian's free new daily newsletter, First Edition ► http://theguardian.com/first-edition Website ► https://www.theguardian.com Facebook ►  / theguardian   Twitter ►   / guardian   Instagram ►   / guardian   The Guardian on YouTube: The Guardian ► https://bit.ly/guardiannewssubs Guardian Australia ► https://bit.ly/guardianaussubs Guardian Football ► https://bit.ly/gdnfootballsubs Guardian Sport ► https://bit.ly/gdnsportsubs Guardian Live ► https://bit.ly/guardianlivesubs #RAAC #Materials #Concrete #Schools #News