Search Results: 'Wirth'

Pinglin breaks
01 October, 2003

Fire drama at Guadarrama
02 September, 2003

London boom sets the scene for UC'03
01 September, 2003
Underground Construction 2003 is due to be held on the 24-25 September at the ExCeL conference and exhibition centre in London's docklands. At a time when tunnelling activity in London is at its peak, this year's event is set to outstrip the success of its predecessors

Tunnel fire traps workers
07 August, 2003

Sedrun shaft sunk
05 August, 2003

Collapse stalls Guadarrama
05 August, 2003

Small Bore & Pipejacking Products
01 August, 2003
The latest small bore and pipejacking products

Excavation Products - continued
01 August, 2003
The latest excavation products - continued

Excavation Products
01 August, 2003
The latest excavation products

Machine marathon at Guadarrama
01 July, 2003
The first of four 9.5m diameter hard rock TBMs went to work on the 28.3km long, Guadarrama rail tunnels in September 2002. Adrian Greeman, recently visited the site for T&TI and describes the challenges facing the machines on this marathon of a project

Barcelona begins
01 July, 2003

Under pressure in the Philippines
01 May, 2003
Unfavourable geological conditions on the Casecnan Multipurpose Project, in the Philippines, led to the abandonment of TBM excavation in favour of drill and blast. Roger Bremen, head of hydraulic structures, and Fabio Tognola, junior engineer, for Lombardi Engineering Ltd, Switzerland, describe the implications of this decision

CTRL restart
01 May, 2003

Uetliberg reamer
02 April, 2003

Guangzhou Line 3 TBM start
02 April, 2003

UK first on CTRL breakthrough
02 April, 2003

Uetliberg pilot tunnel breakthrough
01 March, 2003

Ground collapse above CTRL
01 March, 2003

CTRL hole swallows garden
10 February, 2003
with photos

Barcelona's mega machines in transit
01 January, 2003