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Tunneling in Rock News

Green light for the Swedish rail tunnel construction

The 1.6-kilometre Ersmark tunnel will be constructed in Sweden by Spanish contractor Comsa in a consortium with Nortúnel S.A. After some delay due to an appeal, the Swedish Transport Administration (...

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The longest railway tunnel in Nordics handed over

The 20km long Blix tunnel is the longest railway tunnel in Scandinavia and the first Norwegian railway tunnel with two separate tunnel tubes. It has been completed by joint venture Acciona Ghella (AG...

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Using Finite Element Analysis to Verify the Stability of the Melbourne Metro Tunnel

Complex geological compositions and existing underground structures can significantly impact your tunnel design and construction. Before planning a tunneling project, it’s essential to analyze the ad...

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Houston, Texas: New Memorial Park land bridge tunnel opens for traffic

The wait is over for Houstonians who have been eagerly watching the construction of the Memorial Park land bridge tunnels. On Monday, March 28, the first phase of the tunnels - eastbound - will ope...

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India’s longest highway road tunnel in Hyderabad

If things go as per plans, Hyderabad will have the country’s longest Highway Road Tunnel, tentatively about 10 km from Jubilee Hills Road No 45 Junction to Banjara Hills, Road No. 12 Junction. The pr...

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Novel methods for underground construction

Lateral thinking and technology transfer are set to revolutionise the construction of transportation and utilities tunnels, underpasses, car parks and other underground structures. Patrick Lane-Nott,...

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Indian Railways: the longest tunnel is completed

The main tunnel of T-49, which is the longest tunnel of Indian Railways, between Sumber and Arpinchala station of Katra-Banihal section of Udhampur-Srinagar-Baramulla Rail Link (USBRL) project was co...

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Bristol underground transport system: plans for tunnels take a step forward

An underground transport system in Bristol has taken a tentative step forward, following a committee meeting. Political leaders formally acknowledged that "tunnels may well be needed" in the city....

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3 major East Coast tunnel, the Hudson Tunnel, the Howard Street Tunnel and the Chesapeake Bay Bridge Tunnel, projects move forward

Three major tunnel projects that connect key transportation arteries on the East Coast are advancing. The Hudson Tunnel between New York and New Jersey, the Howard Street Tunnel in Maryland and the C...

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Four metro tunnels are completed in Hong Kong

Dragages Hong Kong has built one of Hong Kong’s most technically challenging series of tunnels – part of the 6km extension of the ongoing Sha Tin to Central Link works from Hung Hom to the Admiralty...

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