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Librarian C.P. Atkins calculated in 1985 that full illumination through Box Tunnel would occur on 7 April in non-Leap years and on 6 April in Leap years. [10] The Society of Genealogists in 2016 suggested the sun shone through the tunnel on 6 April, the birthday of Brunel's sister, Emma Joan Brunel, three years out of four during the 1830s.
Pages in category "Tunnels in Indonesia" ... Samarinda Tunnel This page was last edited on 5 March 2025, at 12:32 (UTC). Text is available under the Creative ...
Artemisio Tunnel (road), double tunnel, under Mount Artemision, 1.40 km 76 tunnels of the A2 motorway (Egnatia Odos), most notably in parts of Epirus and Western Macedonia , combined length of 99 km, the longest of which are Driskos Tunnel 4.6 km, Metsovo Tunnel 3.5 km, Dodoni Tunnel 3.6 km, Kastania Tunnel 2.2 km, Anilio Tunnel 2.1 km
Tunnel Construction. Tunnels are dug in types of materials varying from soft clay to hard rock. The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics of supporting the tunnel excavation, the final use and shape of the tunnel and appropriate risk management.
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a bridge–tunnel carrying monorail Great Belt Fixed Link: 1997 Denmark Zealand and Funen Great Belt: includes a railway tunnel, bridge–tunnel transition uses natural island Øresund Bridge: 2000 Denmark/Sweden Copenhagen and Malmö: Øresund/Öresund: includes a railway tunnel Shanghai Yangtze River Tunnel and Bridge: 2009 China
The Montgomery Bell Tunnel in Tennessee, an 88 m long (289 ft) water diversion tunnel, 4.50 m × 2.45 m high (14.8 ft × 8.0 ft), to power a water wheel, was built by slave labour in 1819, being the first full-scale tunnel in North America. Bourne's Tunnel, Rainhill, near Liverpool, England. It is 32.1 m (105 ft) long.
Tunnel of Friendship, or Tunnel of Silaturahmi (Terowongan Silaturahmi) is an underground tunnel connecting the interior of Istiqlal Mosque and St. Mary of the Assumption Cathedral in Jakarta, Indonesia.The tunnel was constructed as part of the plan to renovate the mosque, and the construction was started on 15 December 2020.