Book review: Design of Prestressed Concrete to AS3600-2009 (2nd ed.)

This month's letters return to the Ronan Point failure; continue the discussion on the public perception of structural engineering; consider how the profession has changed over time; and look back at the introduction of professional indemnity cover and computers.

Award-winning structural engineer Chris Wise has always challenged convention and has no plans to stop. In his sights currently are multiple targets, including the whole structural engineering profession, its businesses and his own future.

This month we bring you a question from Ramsay Maunder Associates on the yield-line technique for concrete slabs. The answer will be published in the September issue.