Kim S. Elliott BTech, PhD, CEng, MICE is a self-employed consultant to the precast industry in the UK and Malaysia. He was Senior Lecturer in the School of Civil Engineering at Nottingham University, UK, from 1987 to 2010, and was formerly at Trent Concrete Structures Ltd, one of the UK s leading precast concrete manufacturers. Since 1987, he has been active in research into the behaviour of precast concrete structures and has published more than 120 papers and 6 text books. He is a member of the FIB UK Group and FIB Commission on Prefabrication. Colin K. Jolly MSc, PhD, CEng, MICE, FIStructE is a self-employed consultant to Cranfield University and the construction industry. He was Senior Lecturer in the Department of Civil and Environmental Engineering at Southampton University, UK, from 1978 to 1999, and in the Engineering Systems Department at the Royal Military College of Science (now the Defence Academy) from 2000-2006, having formerly worked for Consulting Engineers in the UK and Oman. Since 1975, he has been active in research into the behaviour of a wide variety of composite materials in structures, and has published more than 280 papers and industrial reports. He is a member of the UK Expert Group providing recommendations for the evolution of the European loading code EN 1990.