Welding old steel structures

Based on his 2014 James Sutherland History Lecture, 'Not up, not down but sideways', James Thomson draws on more than 50 years of experience to provide a background to the process of jacking structures horizontally into the ground to form tunnels, and discusses the impact the technology has for the spatial planning of future projects.

Institution Fellow, Bob Wilson, suspects that previous titles by Francis Ching notwithstanding, this latest offering might be of more interest to architects than structural engineers.

Letters this month include discussion on: flood prevention, the Exam and Eurocode requirements for steel connections.