Alistair Day and the origins of dynamic relaxation. Part 2: A practice viewed through projects

Following the recent fire at Notre-Dame de Paris, Professor Jacques Heyman discusses the construction of the cathedral and considers some of the questions that will arise in agreeing an approach to repair.

This month's letters continue the discussion around subsidence and settlement; call on structural engineers to declare a climate emergency; discuss the origins of the 120-year design life for bridges; and offer more thoughts on safety factors.

This paper discusses the design and construction of the King's Health Partners Cancer Centre, including the constraints imposed by an inner-city site of archaeological interest, the requirements associated with specialist medical equipment, and the incorporation of extensive off-site construction methods into the structural design.