JINAN, Sept. 20 (Xinhua) -- China on Friday started the shield excavation of its first tunnel across the Yellow River, according to the China Railway Construction Corporation Limited (CRCC).
Located in Jinan, capital of east China's Shandong...
https://www.youtube.com/watch?v=HcjeRUlAY88
Work has begun at Hinkley Point C this week to install 38,000 concrete segments required to support the three underground marine tunnels at up to 33 metres below the seabed of the Bristol Channel. These...
"One of the main functions of the TBM is to resist underground water pressure while it passes through aquifers. TBM "Chundee" may have had malfunctioned and allowed water to seep in, triggering the catastrophe that has...
Three consortiums have been shortlisted by the provincial government to participate in the request for proposals bidding process: Acciona-Ghella Joint Venture (Acciona Infrastructure, Ghella Canada), IBI Groupo, DIALOG), Broadway Connect...
Vereniging Alternatief Goederenspoor (VAG) literaly 'Association for Alternative Freight Track', a lobbying group, proposes a tunnel between the cities of Rotterdam (Netherlands) and Antwerp (Belgium).
According to the Dutch publication...
A probe has been initiated into the East-West tunnelling disaster
https://timesofindia.indiatimes.com/city/kolkata/british-expert-begins-probe-into-bowbazar-subsidence-disaster/articleshow/71175454.cms
A probe has been initiated into the...
The 33.5 km-long underground Metro 3 route stretches from the super-rich Cuffe Parade area to the business hub of SEEPZ at Andheri. En route, it also provides connectivity between the densely populated residential and commercial areas of the city...
Over 500 residents were evacuated from Kolkata’s Bowbazar as the underground Metro tunneling hit an aquifer causing severe damage to century-old buildings rendering them...
UK PM Boris Johnson recently proposed a "link" between Britain and Northern Ireland. Most talk about a bridge and some about a tunnel. Either way, it is a project with a lot of challenges.
Read...
Telegraph India report that engineers from 3 countries tackle the problem in Kolkata's East-West tunnel boring. During the boring, Tunnel Boring Machine was overwhelmed by water after hitting a aquifer and then followed by subsidence...
U.S. Rep. John Larson has not let go of his idea for a $10 billion tunnel system beneath Hartford to relieve congestion, but at a press conference Friday the powerful chairman of the House Transportation and Infrastructure Committee offered some...
A recent study ordered by Peter Vesterbacka's Finest Bay Area and carried out by Finnish pollster Taloustutkimus concludes that the construction and operation until 2050 of the Helsinki-Tallinn undersea tunnel would add approximately €300...
As part of its plan to reduce combined sewer overflows, Alexandria (VA) Renew Enterprises (AlexRenew) is in the process of procuring a storage and conveyance tunnel. The largest component of the RiverRenew program, the tunnel will be approximately...
Respected Turkish business newspaper Dünya reports that the second metro line to the airport will be "Halkalı - Airport" line and 28 kilometers long and 8 kilometers is tunnel. Total tunnel two way is 15.9 kilometer.
Boring will be...
Work comprises a new twin two-lane tunnels to the west of the existing tunnel and upgrading the four-lane segments of the I-64 corridor in the cities of Hampton and Norfolk.
At 45 ft. wide, the tunnel will be the second largest tunnel...
A 3-storey tunnel is envisioned for İstanbul. Two storeys of the tunnel for motor vehicles one in each direction and middle storey for rail transport.
İstanbul already has a Twin-deck tunnel in operation called 'Avrasya Tüneli'...
Additional problems on TBM mishap which left 500 people homeless
https://timesofindia.indiatimes.com/city/kolkata/water-leak-returns-after-early-success-kolkata-metro-in-for-long-haul/articleshow/71002164.cms