Search Results: 'Southern Water'

Quake proof
21 November, 2012
Following the 2001 quake, it was feared that another major incident could cause Seatle's fragile highway viaduct to ‘pancake’. Rhian Owen reports on the replacement of the viaduct with more stable infrastructure: a tunnel

High pressure sea crossing
18 October, 2012
A slurry TBM is cutting through the sands deep under Zhanjiang Bay, China, to provide a crucial water link to and island steelworks. A tight schedule and a 42m head of water are upping the pressure on the project. Tunnels editor Jon Young visits the site

Brenner behemoth
31 August, 2012
Professor Konrad Bergmeister, CEO of the Brenner Base Tunnel Company presented the project to the May BTS meeting

Advances in SCL design and construction
30 August, 2012
This article presents the state of the art use of sprayed concrete with a variety of waterproofing solutions on major projects in the UK. It discusses the current design of permanent sprayed concrete and sprayed waterproof membranes and how SCL design may progress in the future. Report by Andrew Pickett and Simon Stephenson of Mott MacDonald

Turkish TBM boom
29 August, 2012
With challenging ground and a fast-growing economy, Turkey is poised to host the world’s toughest tunnel projects. Desiree Willis, technical writer for TBM manufacturer Robbins reports

The river crossing
26 July, 2012
At the northern end of the project an immersed tube continues the underground line beneath the Central station and across the river Ij. technical journalist Adrian Greeman reports from site

Deep drives
18 July, 2012
The central element of the North-South line, in engineering terms and literally on the route line, is the bored tunnel section. Adrian Greeman visits the project

Lake Mead draws deep
13 June, 2012
With ever lowering water levels, tunnels are needed to reach deeper into the largest reservoir in the US to slake the thirst of Las Vegas. Technical journalist Rhian Owen meets the team that will stand the House a drink

Advance below the bay
24 May, 2012
The EPBM cutting below the San Francisco Bay is smashing advance rate expectations as the team battle with environmental limitations and brace for tougher ground. Rhian Owen reports

Metro Los Angeles
23 May, 2012
Robert Ball, Matthew Crow and Matt Gallagher of Los Angeles County Metropolitan Transportation Authority (Metro) and David Young and KT Su of Hatch Mott MacDonald give this paper on expanding transit in Los Angeles with the Crenshaw/LAX Project metro

To prevent a pancake
22 May, 2012
Following the 2001 quake, it was feared that another major incident could cause the fragile Alaskan Way Viaduct to ‘pancake’ from the shaking. Rhian Owen reports on the replacement of the viaduct with more earthquake-resistant infrastructure – a tunnel

High population, low cover
17 May, 2012
In March, Mexico’s sinking capital finished tunnelling its first new metro line in a decade. Robbins technical writer Desiree Willis reports

Primary risk reduction
18 April, 2012
It is notable that many treatises on the subject of project risk management do not pay much attention to the subject of site investigation (SI), even though the gathering of accurate information before a tunneling project commences is bound to decrease risk to a project. Today there is a wide array of techniques available to collect such information and costs that can be balanced favourably against overall project expenditure. Maurice Jones reviews some of these

Present and future state of UK tunneling
16 April, 2012
Outgoing chair of the BTS Bob Ibell looks at the recent achievements of the UK tunnelling industry and the current state of works

Sweden on song
09 March, 2012
Håkan Stille professor emeritus in soil and rock mechanics at the Royal Institute of Technology (KTH), digs into what drives the Swedish tunnelling industry

From sea to shining sea
06 February, 2012
Demand for tunnels in North America is strong to meet public transportation and water conveyance needs. Nicole Robinson highlights projects in the region