... entry windows for the bored running tunnels. During driving of the east cofferdam piles it was recorded that the dockbedlevels were lower than had been assumed.Due to unexpected movement of the cofferdam,it was decided to installa third line of sheet piles and sand fill outside the original cofferdam...

...H R DAVIES The Jubilee Line Extension took the London Underground network for the first time into the difficult waterlogged sands and gravels in the south east of the capital. However, there were very few problems with the now tried-and-tested technology of earth pressure balance tunnelling...

... MEDIUM DENSITY POLYETHYLENE INVESTIGATIONS INVESTMENT CLEAN UP SEWAGE DISPOSAL TUNNELS MARINE WORKS DESIGN STORMWATER CONSTRUCTION MANAGEMENT CONTRACTORS TUNNELLING DRIVING MACHINES MACHINERY COMMISSIONING PERFORMANCE DISCHARGES PLANNING POLLUTION BEACHES NORTH WEST WATER...

...I LETO; B WELBURN; HADRIAN Proc. Instn Civ. Engrs, Civ. Engng, 1999, 132, May/Aug., 68 76 Paper 11873 Written discussion closes 15 November 1999 Keywords: municipal & public service engineering; transport planning; tunnels & tunnelling Lines 2 and 3 of the Athens Metro I. Leto and B. Welburn When...

...H H GOTFREDSEN; K H OSTENFELD; I H ELLIOT; A S ODGARD; D J CURTIS; A R BIGGART; R STERNATH; J C TAIT; N P HOJ; K ABILDGREN; K KEILER; M FREDERIKSEN; N HARRISON; G INCE; R N CRAIG; C D WARREN; BALLARD DISCUSSION Storebælt Eastern Railway Tunnel H.-H Gotfredsen, K. H. Ostenfeld, I. H. Elliot, A. S...

...A BONIFACE © Thomas Telford and ICE 1997 LESOTHO HIGHLANDS CONSULTANTS LESOTHO HIGHLANDS PROJECT CONTRACTORS WATER PROJECTS DESIGN CONSTRUCTION TUNNELS TRANSFER WATER SUPPLY COUNTRIES DEVELOPING RESERVOIRS UNDERGROUND HYDROELECTRICITY POWER STATIONS ROCKS BASALT...

...J UREN; W F PRICE © Thomas Telford and ICE 1997 LEEDS UNIVERSITY BRIGHTON UNIVERSITY LASERS CONSTRUCTION BEAMS ALIGNMENT SURVEYING TECHNOLOGY INSTRUMENTS INSTRUMENTATION DEVELOPMENT TECHNIQUES METHODS PIPES LAYING PIPELAYING TUNNELLING FIXED ROTATING SITES PLANT...

... Barking Reach Power Station on the Thames estuary east of London formed a major element of this privately funded £370 million turnkey project. A wide range of tunnelling and shaft sinking techniques were used to overcome the difficult ground conditions, which included the notorious Thanet Sand. Though...

...A P FINCH Proc. Instn Civ. Engrs, Civ. Engng, 1996, 114, Nov., 150-160 Paper 10967 Written discussion closes 15 December 1996 Alan Finch is divisional director of UK engineering consultancy Mott MacDonald, which undertook the detailed design and construction management of the St Clair river tunnel...

... RAILWAYS CABLES TRACTION HISTORY PLANNING DESIGN CONSTRUCTION ENGINEERS CONTRACTORS TUNNELLING TUNNELS HAULAGE CUT AND COVER TIMBER SHEETPILES SHEETPILING PILES ARCHES CONCRETE EXCAVATION ALLUVIAL MATERIALS SHIELDS CLAYS ROCKS STATIONS GLASGOW SCOTLAND UK Proc...

... for the operation phase for the entire Storebaelt link and then allocated to the Table 2. Risk acceptance criteria for the risk to passengers travelling through various parts of the link. Two types of risk for the eastern railway tunnel the railway tunnel are of major concern. Type of risk Maximum acceptable...

... of the fixed equipment. This new interface clawed back a considerable percentage of the lost time. Tunnelling Geology 9. As can beseen on Fig. 2 the ground is divided into two distinct layers: the glacial till deposits and the marl deposits. 10. The ground conditions were always known to be very mixed...

... at the east portal of the north and south tunnels; this was some 2 km from the fire and workers were confident of being able to evacuate the short distance to safety, should the worst happen. The bulkheads had flood doors to allow passage of a service train and also accommodated pumping pipes and ventilation...

...I H ELLIOTT; D J CURTIS; A S ODGARD © Thomas Telford and ICE 1996 MOTT MACDONALD COWICONSULT AS TUNNELS RAILWAYS DESIGN PROJECTS EARTHWORKS RAMPS CUT AND COVER PORTAL CIRCULAR BORED GEOLOGY SITES SITE INVESTIGATION ALIGNMENT PROFILES BORING MACHINES MACHINERY TBM...

...G PATULLO © Thomas Telford and ICE 1995 BALFOUR BEATTY TUNNELS TUNNELLING NATM METHODS NEW AUSTRIAN CONSTRUCTION ROADS A20 GROUND CONDITIONS ENVIRONMENT SAFETY CONTRACTS PORTAL EXCAVATIONS SUPPORTS INCREMENTAL SITE INVESTIGATION GEOLOGY INSTRUMENTATION...

...A M MUIR WOOD; A M M WOOD; R C JENKINS; I K BRUNEL © Thomas Telford and ICE 1995 TUNNELS THAMES TUNNEL SHIELDS TUNNELLING RIVERS UNDERWATER SUBMARINE HISTORY BRICKWORK BRICKS CLAYS LONDON CLAY THAMES TUNNEL LONDON ROTHERHITHE WAPPING UK DISCUSSION m.Inshl...

... to be valued on its particular merits and this complicated and protracted some negotiations. One of the greatdifferences between the Channel Tunnel in the UK and other public sector projects was that the Channel Tunnel Group made a publicundertaking to acquire land in advance of receipt of compulsory powers...

...SIR A MUIR WOOD; SIR A M WOOD; A F GUETERBOCK; J DALE; A R BIGGART; P M MIDDLETON; E I LOEWY; C J KIRKLAND; I C D FUGEMAN; W A BARCROFT; C POLLARD Channel Tunnel Partl:Tunnels Proc. Instn Ciu. Engrs Civ. Engng,1994, P. L. Allwood, A. R. Biggart, PJ.. Chapman, R. G. Conway, G . S. Crichton...

...A M MUIR WOOD; A M M WOOD; M I BRUNEL © Thomas Telford and ICE 1994 SIR WILLIAM HALCROW TUNNELS THAMES TUNNEL SHIELDS TUNNELLING RIVERS UNDERWATER PROJECTS HISTORY SHAFTS CLAYS LONDON CLAY SUBMARINE METHODS THAMES TUNNEL LONDON ROTHERHITHE WAPPING UK...

...H BARTHES; A BORDAS; D BOUILLOT; M BUZON; P DUMONT; J FERMIN; J C LANDRY; J P LARIVE; L LEBLOND; J J MORLOT; L SZYPURA; P VANDEBROUCK; B VIELLIARD © Thomas Telford and ICE 1994 GIE TRANSMANCHE CONSTRUCTION TUNNELS CHANNEL TUNNEL SAFETY SITES MEASURES ORGANISATION MANAGEMENT...