Reinforced autoclaved aerated concrete (RAAC) is a lightweight form of concrete that was used in schools, colleges and other building construction from the 1950s until the mid-1990s, according to a ...

The British government has ordered more than 100 schools to keep some or all of their buildings closed when the new academic year begins next week because of concern crumbling concrete threatens the ...

Days before schools in England were due to open, the government ordered 104 of them to remain fully or partly shut out of fear they might collapse. Built before 1980, the schools, and 50 others ...

DUBLIN--(BUSINESS WIRE)--The "2023 Autoclaved Aerated Concrete (AAC) Market Outlook Report - Market Size, Market Split, Market Shares Data, Insights, Trends, Opportunities, Companies: Growth Forecasts ...

Surveys to assess the presence of unsafe concrete in council houses and public buildings are continuing, Sheffield Council has said. The inspections were launched following warnings about the ...

DURING A EUROPEAN building boom that began in the 1960s, a novel form of construction material began to be used. Reinforced autoclaved aerated concrete, known as RAAC, is pre-cast in a factory, ...

Juan Sagaseta receives funding from UK Research and Innovation (UKRI). He is affiliated with the Concrete Industry Eurocode 2 Group in the UK and he is Member of the Editorial Board for the Magazine ...

To make aerated concrete, add a foam-forming agent and stir in a significant amount of air. This serves to make the concrete significantly lighter, better insulating, and more resilient to fire.

Demolition work is underway at a primary school with buildings affected by crumbling concrete. The £13.4 million project is taking place at Birchington Church of England Primary School to put in a new ...

Progress is being made in the removal of reinforced autoclaved aerated concrete from hospital sites across England. Work to remove the potentially dangerous material, known as Raac, has now been ...