Search Results - Progressive Media Group

Raisebore upgrade drives Edilmac on by JONES, Maurice

“…"The limestone rock here at Sedrina is much harder (around 160 MPa UCS) and massive,' says [Adriano Facchinetti], "so it will be a real test for the new rig…”
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Modern compressed air and gas work by LAMONT, Donald

“…The current UK legislation regulating compressed air work is the Work in Compressed Air Regulations 1996 supplemented by Health and Safety Executive guidance…”
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Soil conditioning for clays in EPBMs: part two by Spagnoli, Giovanni, Feinendegen, Martin, Stanjek, Helge, Azzam, Rafig

“…Starting from these experimental results, the so called 'cone pull-out test' as a new laboratory test to determine the clogging behaviour of different…”
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Raising the pressure by KUNSTLE, Benjamin, FREY, Alexander

“…When using a raiseboring rig for a shaft construction in stable rock, the handling of the rig, over the shaft starting point, takes place in a first step by…”
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Send in the divers by JONES, Maurice, ROBINSON, Nicole

“…Diving has been associated with tunnelling ever since Marc Brunei lowered a diving bell into the River Thames in efforts to repair breeches in his Thames…”
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Precast in practice by CONACHER, Alex, VIMALANATHAN, Yogini, BROWN, Russell

“…"The moulds we use were manufactured by CBE in China and are steel," says [Russell Brown]. "They are built to French standards and are checked by [Mott…”
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Prepared for the long haul by JONES, Maurice

“…A drawback of traditional reinforcement, apart from the price of steel, is the depth of unreinforced concrete needed to cover a rebar cage. This is susceptible…”
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Laser guided segment precision by CONACHER, Alex

“…The plant uses an onsite batching plant. "You will never get sufficient quality with a batch ready mix," says Hill, "you need to batch on site." Ridham Precast…”
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Holding it together: the birth and life of a fibre by JON, Maurice

“…Bekaert has been working with (mainly steel) wire since its founding in 1880 and is now the world's largest producer of drawn steel wire products. At Bekaert's…”
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Qatar set for next tunnelling boom by BALLANTYNE, Bernadette

“…For the tunnelling industry the implications of the Qatari investment plans are enormous. [Geoff Brian Mee] estimates that the metro alone will require 12…”
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Predicted and encountered deformations by FEIERSINGER, Andreas

“…The shaft and tunnel works involved the design and construction of a SCL ellipsoid shaft, stub tunnel and stair passage tunnel (see Figure 1 , above). The…”
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Experiences with sprayed waterproofing by NAYLOR, David, SALAK, Petr, STEPHENSON, Simon

“…The Hampton Pump Out Shaft (HPOS), south-west London, is a 40m-deep, lorndiameter shaft and constructed between 2007 and 2009 using a combination of precast…”
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Collapse and recovery in Abu Dhabi by MESSAFER, Tahar

“…The investigation comprises 1 7 boreholes each 30m deep. Figure 2 shows the location of the boreholes and the geological cross section indicates the presence…”
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Standards set for pre-grout drilling by OSTBERG, Anders, NORD, Gunnar

“…The drilling and pre-grouting work is carried out rapidly and to a high standard. The sealing work constitutes a large share of the total tunnelling time. The…”
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Cutting into the shaft by GIULIANI-LEONARDI, Sylvie, GASTEBLED, Olivier, MAHDI, Samy

“…The boring starts between Abbasiya station and Cairo Fair station with a Herrenknecht slurry TBM then continues with an NFM EPBM. The tunnel face is supported…”
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Leak sealing in brick-lined tunnels by TOWN, Peter

“…Remedial methods include fixing plastic membranes or corrugated sheets to the intrados, applying cementitious coatings, cement grouting behind the lining or…”
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Membranes in the mix by JONES, Maurice

“…The introduction of spray-on waterbarrier membranes has, so far, mirrored the acceptance of sprayed concrete in that the attraction of potential cost-savings…”
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Norwegian railways protect assets from freezing by JONES, Maurice

“…Masterseal 245 was first trialled in a small tunnel in Norway in 2008, but the Gavingasen Tunnel is the first full-scale installation in a Nordic country…”
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Speeding freight under Antwerp docks by JONES, Maurice

“…One of two Herrenknecht Mixshield slurry TBMs, called 'Wiske', recently completed a 6km drive under the River Scheldt (River Escaut in French), and a dock…”
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Conquering Gotham again by THOMPSON, Andrew

“…In total there are eight separate TBM tunnel drives ranging in length from 2,400m to 500m, all driven from north to south. As the tunnels are constructed in…”
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