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Geotechnical Egineering News tagged with [tunnel boring machine]

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Metro Tunnel's big borings meet up, 11-storeys beneath the city
The Age   18 July 2019   Australia   Melbourne  
The boring work has been going on for months.Credit:Luis Enrique Ascui
<p>The State Library station being built as part of the $11 billion Metro Tunnel project is starting to take shape, with the underground station's first platforms being carved out of the earth beneath Swanston Street.<br />A 200-metre long tunnel has been ...
Filed under: Construction News
Tunnelling progresses on the Forrestfield-Airport Link
trenchless-australasia   16 October 2017   Australia   Perth  
Tunnelling progresses on the Forrestfield-Airport Link
<p>Tunnelling on the Forrestfield-Airport link is progressing, hitting milestones with tunnel boring machine (TBM) Grace launched and underground, and TBM Sandy to follow soon.</p> <p>The Forrestfield site now houses facilities to support the machines, including ...
Filed under: Construction News
Breakthrough for £100m Shieldhall Tunnel project
BBC NEWS   13 October 2017   UK   Scotland  
The giant boring machine, nicknamed Daisy the Driller, emerged beneath Glasgow's Queen's Park
<p>A giant boring machine has "broken through" to complete the initial construction phase of the &pound;100m Shieldhall Tunnel.<br />The project to create the biggest waste water tunnel in Scotland has seen a 3.1 mile (4.8km) tunnel created beneath the south ...
Filed under: Construction News
Alice almost finished digging Waterview tunnel
3news   09 October 2015   New Zealand   Auckland  
Alice almost finished digging Waterview tunnel
<p>The machine digging a massive tunnel at Auckland's Waterview Connection is within days of completing its two-year mission.<br />For the team driving the boring machine known as Alice, it'll be a bittersweet moment when she breaks through.<br />Grant Maclean ...
Filed under: Construction News
Safety rooms protect workers inside giant tunnel boring machine
Stuff.co.nz   30 September 2015  
Safety rooms_Alice giant tunnel boring machine
<p><br />Safety rooms_Alice giant tunnel boring machine<br />Deep within Auckland's giant tunnel boring machine lie two chambers set up to save workers' lives.<br />The machine, known as Alice, is central to the country's largest infrastructure project &ndash; ...
Filed under: Construction News
L&T's railway business wins $161m Riyadh Metro contract
Railway - Technology.com   02 September 2015   Saudi Arabia   Riyad  
Tunnel boring machina (TBM) Mneefah is expected to complete its journey by mid-2016. Photo: courtesy of Bechtel Corporation.
<p>Indian engineering and construction firm Larsen &amp; Toubro's (L&amp;T) railway business has secured an Rs10.7bn ($161m) contract from the BACS consortium to design and build tracks for the Riyadh Metro project in Saudi Arabia.</p> <p>The BACS consortium ...
Filed under: Construction News
Bertha’s pipe hit blamed on state
The Seattle Times   09 May 2015   USA   Seattle  
Bertha, the Highway 99 tunnel boring machine, sits motionless just over 1,000 feet into its 9,270 foot route to South Lake Union in September. (Steve Ringman / The Seattle Times, 2014)
<p>The state should have done more to warn Seattle Tunnel Partners about a steel pipe that tunnel machine Bertha struck Dec. 3, 2013, three days before the giant drill overheated and stalled, a dispute review board has ruled. The decision isn&rsquo;t binding, ...
Filed under: Construction News
Stuck in Seattle The Aggravating Adventures of a Gigantic Tunnel Drill
Bloomberg Business   08 April 2015   USA   Seattle  
segmental tunnel lining
<p>About 20 workers wearing hard hats and reflective vests clump together on the edge of a chasm near Seattle&rsquo;s waterfront, peering down a hole 120 feet deep and 83 feet wide. The last men have been craned out of the pit in a yellow metal cage. Gulls ...
Filed under: Construction News
Bertha’s mammoth cutter head emerges from tunnel vault
The Seattle Times   31 March 2015   USA   Seattle  
Bertha’s cutting-head assembly, (Ken Lambert/The Seattle Times)
<p>The front of tunnel-boring machine Bertha emerged from its deep access vault late Monday afternoon, after a trouble-free day of crane tests and hoisting. It is now resting on the surface of Seattle’s waterfront.</p>
Filed under: Construction News