North Downs Tunnel
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17,000 m MAI type Hollow Core Anchors deep beneath Downtown London. Dans: DSI Info, n. 10 ( 2001- 2002), pp. 15.
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17.000 m de tirants auto-forants à injection simultanée sous le centre de Londres. Dans: DSI Info, n. 10 ( 2001- 2002), pp. 15.
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17.000 m DYWIDAG-Injektionsbohranker in London. Dans: DSI Info, n. 10 ( 2001- 2002), pp. 15.
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Woods, Eddie (2004): Bored tunnels. Dans: The Arup Journal, v. 39, n. 1 ( 2004), pp. 22-28.
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Watson, Paul (2003): Channel Tunnel Rail Link section 1: North Downs tunnel. Dans: Proceedings of the Institution of Civil Engineers - Civil Engineering, v. 156, n. 6 (novembre 2003), pp. 40-48.
https://doi.org/10.1680/cien.2003.156.6.40