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

This month we present a report about the structural stability of cantilever glass infill panels between a steel post and handrail balustrade system at a high-level apartment block.

Andrew Smith, Patrick Hayes and Andrew Lawrence examine how the safety of higher-risk buildings should be assessed in the UK under the requirements of the Building Safety Act.

Paul Toplis and Jenny Burridge preview key changes to the forthcoming revision of the UK's standard specification for concrete frames, due to be published later this year.