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The RAAC Crisis - How can Engineering Analysis and Simulation Help Prevent Reoccurance?

Like all materials, RAAC (Reinforced Autoclaved Aerated Concrete) has a finite operating life. Lightweight and cheap, this aerated alternative to traditional concrete was widely used in UK public buildings from the 1950s to as recently as the 1990s (1). Given its high strength, low density, and excellent thermal insulation properties, RAAC allowed construction at scale whilst keeping costs down. When properly maintained and cared for, RAAC, or “Aerobar,” as it is sometimes referred to, has an estimated lifespan of 30 years, after which it can deteriorate and potentially become unstable.

This article appeared in the October 2023 issue of BENCHMARK.

Document Details

TypeMagazine Article
Date 30th October 2023


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