Search Results: 'Southern Water'

Tunnels facilitate water flow
29 November, 2021
Water system upgrades are keeping the North American tunnelling industry busy. Keren Fallwell reports

Cross river rail to tackle Brisbane’s urban growth
29 November, 2021
Australia’s cities are engaged in some major underground rail projects. Sydney and Melbourne both have their metro schemes. Brisbane is host to another – and also to the Olympic Games. Julian Champkin reports

CSO capture for cleaner water
29 October, 2021
Jon Sickling, Tunnel Shafts Delivery Manager, Watercare Services, and Stefano Vittor, Construction Manager, Ghella-Abergeldie JV, outline details of New Zealand’s largest wastewater project – Auckland’s new Central Interceptor

Construction about to begin at Kinguele Aval hydro
25 August, 2021
Financial closure has been declared for the Kinguele Aval hydropower project in Gabon, Central Africa.

Lake Mead water level plunges to historic low
17 August, 2021
Created in the 1930s by the completion of the Hoover Dam blocking the Colorado River, Lake Mead has contracted to a historically diminished area, threatening the way of life of millions living in the West and Southwest US who depend on it for water.

A novel concrete arch pre-support system
27 July, 2021
Ehsan Azadi of Tehran-based Pajoohesh Consulting Engineers discusses the behaviour of surface settlement using numerical simulation methods (Plaxis 2D and 3D) in a hardening soil model and the use of a new concrete arch pre-support system (CAPS) on Line 2 Metro, Mashhad

Geothermal energy from safe rock zones
17 June, 2021
Writing for the Swiss Federal Office of Energy, Dr Benedikt Vogel looks at recent research aimed at enabling better and more efficient methods of extracting geothermal energy

Excavation progressing on Buenos Aires water supply tunnel
02 March, 2021
Having passed site acceptance testing, ‘Eva’ - a Terratec 4.66m-diameter earth pressure balance TBM - has started excavating the Rio Subterraneo a Lomas tunnel in Buenos Aires, Argentina.

Pushing for victory
29 January, 2021
A National Grid project to push a 5km pipeline under an estuary of global importance to wildlife has resulted in the world’s longest pipeline river crossing in a tunnel, safeguarding the UK’s gas supply for a century and earning a place in Guinness World Records. Julian Champkin reports