Historical defects in buildings – No. 3: Alkali–silica reaction in concrete

Hugh Docherty continues this series by summarising the problem of concrete made with high-alumina cement and offering brief advice on identification and remediation.

In this note, Hugh Docherty highlights the problem of corrosion of structural steelwork behind masonry elevations in buildings dating from the first half of the 1900s.

In this latest note, Hugh Docherty discusses the use of wood-wool slabs as permanent formwork to reinforced concrete slabs and the potential problems that can arise in this form of construction.