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Geotechnical Egineering News tagged with [tunnel]

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Major milestone reached on world’s longest immersed tunnel
New Civil Engineer   29 March 2021   Germany, Denmark  
<p>Ground investigation work for the &euro;7.1bn (&pound;6bn) Fehmarnbelt Tunnel between Denmark and Germany has been completed, according to contractor Fugro.<br />The 18km immersed tube tunnel, which will be the longest in the world when complete, will link ...
Filed under: Construction News
Uttarakhand dam disaster: Race to save people trapped inside India tunnel
BBC NEWS   09 February 2021   India   Uttarakhand  
Up to 35 people are believed to be trapped in the tunnel
<p>Emergency teams are working round the clock to rescue up to 35 people believed to be trapped in a tunnel in northern India.<br />The tunnel was blocked after a huge flood in the state of Uttarakhand on Sunday in which 28 people have been killed, and as ...
Egypt’s road, bridge and tunnel projects are seeing progress
World Highways   06 May 2020   Egypt  
image © courtesy of Mike Woof
<p>A programme of bridge building in Egypt&rsquo;s capital Cairo will improve transport and help cut the chronic congestion in the city. In all, 40 bridges are being built in Cairo, with the project being funded by the Egyptian Government.<br />The programme ...
Filed under: Construction News
The Top 9 Longest Tunnels in the World
Interesting Engineering   08 May 2019   World  
Source: Svein-Magne Tunli/Wikimedia Commons
<p>Tunnels are some of the greatest engineering feats humanity has ever undertaken. We (humankind) have, in fact, been digging them for millennia.<br />But, they have not all been excavated for purely logistical reasons. Tunnels were, and still are, widely ...
Earthquake faults crisscross LA. Is it safe to tunnel here?
Los Angeles Curbed   16 January 2019   USA   Los Angeles  
The underground portion of the soon-to-open Crenshaw/LAX Line is located in a liquefaction zone, where engineers must contend with damp, sandy soil that can destabilize in an earthquake. By Liz Kuball
<p>In December, tech billionaire Elon Musk and his tunneling startup, The Boring Company, unveiled a mile-long tunnel beneath Hawthorne&mdash;a prototype of an undergroundtransportation system called &ldquo;Loop.&rdquo;<br />Musk has repeatedly suggested that ...
India's first railway station inside tunnel to come up in Himachal Pradesh
Business Today   17 October 2018   India  
<p>For the first time in India, a railway station will be built inside a tunnel at a height of 3,000 metres, on the strategic Bilaspur-Manali-Leh line close to the Sino-India border, a senior official told PTI.<br />While many metro stations in Delhi and other ...
Filed under: Construction News
Tunneling 200 Feet Underneath Connecticut For Cleaner Water, At A Cost
VPR   08 November 2017   USA   Connecticut  
MDC Project Manager Brian McCarthy, left, on the site of construction for the South Hartford Conveyance and Storage Tunnel_PATRICK SKAHILL / WNPR
<p>A giant, miles-long tunnel is about to be drilled hundreds of feet beneath Connecticut&rsquo;s capital. This subterranean project will take years, cost hundreds of millions of dollars, and the hope is, result in cleaner water for the Connecticut River and ...
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
VINCI officially inaugurates the Hallandsås tunnels, Sweden’s most challenging railway project
VINCI   09 December 2015   Sweden   Hallandsas Tunnels  
INCI officially inaugurates the Hallandsås tunnels, Sweden’s most challenging railway project
<p>- VINCI Construction Grands Projets and its Swedish partner Skanska succeeded in building the tunnels through the &ldquo;impenetrable mountain&rdquo; <br />- Sweden&rsquo;s longest railway tunnels were built using VINCI Construction Grands Projets&rsquo; ...
Filed under: Construction News
Tunnel to Grand Central rolling along at $1M per foot
The Seattle Times   04 November 2015   USA   New York,Manhattan  
East Side project_ Manhattan
<p>NEW YORK (AP) &mdash; A massive new commuter rail project below New York City&rsquo;s Grand Central Terminal &mdash; one of the nation&rsquo;s largest transportation upgrades &mdash; is slowly rolling forward, including a tunnel costing $1 million per foot, ...
Filed under: Construction News