Search Results: 'Hochtief'

Extending Access Possibilities
26 September, 2023
Preassembled, needing only a small footprint and able to self-extend during shaft sinking as well as remain for permanent use afterward, XL Industries’ XE5 mechanised access lift system has worked on some major tunnel projects

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

Challenges and successes
27 March, 2023
A brief snapshot sample of large and small utility tunnelling challenges and successes across the globe over recent months