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Geotechnical Egineering News tagged with [TBM tunneling]

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Silvertown Tunnel cutter head lowered into shaft
Construction Enquirer   01 August 2022   UK  
<p>The Silvertown Tunnel project reached another major milestone last week as the cutter head for the Tunnel Boring Machine was lowered into the shaft</p>
Filed under: Construction News
Mumbai: Civil work on 2 Metro lines to end by November
The Indian Express   21 June 2019   India   Mumbai  
As per the information provided by MMRDA, the tracks were laid in the early hours of Sunday near National Park station.
<p>The Mumbai Metropolitan Region Development Authority (MMRDA) on Sunday began laying tracks on the elevated corridor of Metro line 7 that will connect Andheri (E) to Dahisar (E). An MMRDA official said that civil work on two Metro lines 7 and 2A (DN Nagar ...
Filed under: Construction News
TBM Bertha passes halfway mark
The construction index   04 October 2016   Seattle   United States  
Bertha's progress (source: the Construction Index)
<p>The huge TBM that spent more than two years broken down in the US city of Seattle has now passed the halfway point of her journey.</p> <p>Bertha tunnelled past Pike Place Market at the end of last week, which took her beyond the halfway mark of the 2,825m ...
Filed under: Construction News
Astaldi team signs €1bn contract for Italian rail tunnel
The construction index   06 September 2016   Italy   Europe  
Tunnel construction
<p>Astaldi has a 42.51% stake in the joint venture, which it is carrying out with Ghella (42.49%) and Oberosler, Cogeis and PAC, which each have 5%. The team will build an exploration tunnel and two main tunnels from Mezzaselva in Fortezza to the Italian ...
Filed under: Construction News
The Longest, Deepest Rail Tunnel on Earth Just Opened in the Swiss Alps
Gizmodo   01 June 2016   Switzerland   Gotthard  
AP Photo/Christian Hartmann,Pool
<p>After 17 years of construction, the Gotthard Base Tunnel opens today. This feat of engineering is a 35-mile high-speed rail connection beneath the Swiss Alps and is now the longest transit tunnel in the world. You better believe that Hyperloop engineers ...
Filed under: Construction News
Drone video gives up-close look inside SR 99 tunnel
Q13fox   03 May 2016   USA   Seattle  
bertha_progress_ring17_0503
<p>SEATTLE — Bertha the tunnel-boring machine has now excavated 117 feet of the 385 feet needed before the SR 99 Alaskan Way Viaduct can reopen to traffic.<br>Seattle Tunnel Partners has installed 17 rings since mining started up again on Friday, WSDOT announced ...
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
Switzerland has completed construction on the world's longest tunnel
Business Insider   25 August 2015   Switzerland   Swiss Alps  
Switzerland has completed construction on the world's longest tunnel Arnd Wiegmann/Reuters
<p>The Swiss Alps are an unforgiving landscape of rugged, rocky peaks and lush, green valleys. Connecting communities that would be otherwise isolated by the vast mountain range &mdash; including cultural and economic hubs like Zurich, Milan, and Turin &mdash; ...
Filed under: Construction News
Amazing Crossrail Video Via Crossrail Ltd
Youtube Crossrail Ltd   05 June 2015   UK   London  
<p>The Prime Minister and Mayor of London Boris Johnson celebrated the completion of Crossrail’s tunnels by going 40 metres below the capital to thank the men and women who are constructing the new £14.8 billion east-west railway.</p>
Filed under: Construction News