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Geotechnical News
Latest Geotechnical Engineering News from around the world. Important Geotechnical News updated daily.
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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 ...
An old bridge goes out with a bang
The Washington Post   15 January 2019   USA   New York  
Mike Segar/Reuters
<p>A big chunk of an old New York bridge went down in history Tuesday as explosives demolished the eastern part of the Tappan Zee Bridge.<br />The bridge has been replaced by the Governor Mario M. Cuomo Bridge, which carries Interstate 87 traffic over the ...
Railway Management System Market to reach USD 64 billion by 2024
Global Railway Review   14 January 2019   World  
<p>According to a new research report by Global Market Insights, Inc, the Railway Management System Market will grow at a CAGR of over 10 per cent between 2018 and 2024.</p>
After Bridge Tragedy, Genoa Selects a New Design
Engineering.com   10 January 2019   Italy   Genoa  
A rendering of Renzo Piano’s planned bridge, which will replace the collapsed Morandi Bridge. (Image courtesy of Renzo Piano)
<p>Five months after the deadly Genoa bridge collapse, the city has announced that it will replace the structure with another bridge that its designer claims will &ldquo;last for a thousand years.&rdquo;<br />On December 19, 2018, city mayor Marco Bucci announced ...
Filed under: Construction News
‘Engineering masterpiece’ Bogibeel Bridge opens
Railway Gazette   09 January 2019   India  
<p>INDIA: The country&rsquo;s longest combined rail and road bridge was officially opened when Prime Minister Narendra Modi flagged off a Northeast Frontier Railway inter-city train from Tinsukia to Naharlagun on December 25.<br />The 4.94 km Bogibeel Bridge ...
Filed under: Construction News
New Seattle tunnel designed to ride out catastrophic 9.0 quake, DOT says
KOMONEWS.com   08 January 2019   USA   Seattle  
<p>SEATTLE &ndash; The new Highway 99 tunnel opening in early February has been constructed to withstand a powerful once-in-2,500-years earthquake of roughly 9.0 magnitude off the Washington coast, state Department of Transportation officials said Monday.<br ...
Filed under: Construction News
Indonesia earthquake: Magnitude 6.6 earthquake strikes Indonesia
9NEWS.com   07 January 2019   Indonesia  
<p>An earthquake with a revised magnitude of 6.6 has struck 174km north-northwest of the city of Ternate in Indonesia's Molucca islands, but there is thought to be no tsunami risk.<br />The quake hit early on Monday local time at a depth of 60.5km and was ...
Filed under: Natural Hazards
America's first public earthquake-warning app unveiled in Los Angeles
The Guardian   04 January 2019   USA   California  
Photograph: Richard Vogel/AP
<p>Los Angeles has unveiled the US&rsquo;s first publicly available earthquake early-warning app, a development seismologists hope will move cities across the west coast to invest in wide-scale alert technology.<br /><br />ShakeAlertLA uses mobile app technology ...
Earth is missing a huge part of its crust. Now we may know why.
National Geographic   31 December 2018   World  
<p>A fifth of Earth&rsquo;s geologic history might have vanished because planet-wide glaciers buried the evidence.</p> <p>The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth&rsquo;s history. Curiously though, ...
Monument Valley a geological gift that keeps giving
The Post and Courier   29 December 2018   USA   Arizona-Utah  
A geometric jumble of rock in lowering sunlight
<p>Like one’s first sight of the sea, a sky-piercing peak or soaring redwood forest, this iconic red-sand desert region straddling the Arizona-Utah border is indelible, a marvel to behold. Famed for the towering sandstone buttes of Monument Valley Navajo Tribal ...