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Geotechnical Egineering News tagged with [railway tunnels]

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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 ...
Chinese firm drills East Africa’s longest railroad tunnel
CGTN   24 September 2018   Kenya   Kajiado County  
Courtesy: China Communications Construction Company Limited
<p>China Communications Construction Company Limited (CCCC), contractors of the Nairobi – Naivasha SGR Phase 2A, have successfully drilled the longest railway tunnel in East Africa, at Embulbul in Kajiado County, Kenya. The 4.5 km Ngong tunnel has been designed ...
Filed under: Construction News
Geotechnical work underway along portion of California project
RT&S   18 July 2017   USA   California  
California High-Speed Rail Authority
<p>The California High-Speed Rail Authority (CHSRA) and its contractor Kleinfelder are currently performing geotechnical work along State Route 152 in the Pacheco Pass.</p> <p>CHSRA says getting a head start on geotechnical investigations is crucial even with ...
Filed under: Construction News