The Demolition of Waterloo Temporary Bridge. Discussion on Paper by Mr. H.P.T. Lind, Mr. P.R. Alderm

The effects of creep in reinforced concrete structures are briefly reviewed. In most structural units, creep alters the internal stress distribution and increases deflection but has little effect on ultimate strength. A.D. Ross

This month's letters include discussion over design checks and suitably experienced engineers as well as seismic design of masonry and more.

The tragedy of the Francis Scott Key Bridge highlights the need for structural engineers to ensure that the risks inherent in our built infrastructure remain acceptable, argues Colin Caprani.