Search Results: 'Costain'

Bob Ibell – Interview
27 November, 2023
Bob Ibell is a known and respected name is tunnelling. He has had major roles on the Tyne and Wear Metro, Piccadilly Line Extension to Heathrow T4, the Channel Tunnel, the Jubilee Line Extension and the Channel Tunnel Rail Link’s (CTRL, or High Speed 1 (HS1)) London Tunnels. He is a Past Chair of the BTS, winner of the James Clark Medal, delivered the Sir Harold Harding Memorial lecture, taught construction management on the MSc course at the University of Warwick, and a founder member of the tunnelling consultancy London Bridge Associates (LBA). He spoke to Julian Champkin

Geopolymer concrete in tunnelling
24 July, 2023
At the monthly BTS meeting at the Institution of Civil Engineers, in London, in March 2023, John Day, Chief Technical Officer of Wagners EFC Pty Ltd, Charles Allen, Director of OTB Concrete, and Richard Sutherden, Engineering Director with Murphy for the HMJV (Hochtief- Murphy Joint Venture) provided perspectives on the use and future potential of geopolymer concretes, and the Earth Friendly Concrete in particular, in underground applications