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Conference Proceedings

Vl Australian Tunnelling Conference: Bore or Blast, Melbourne

Conference Proceedings

Vl Australian Tunnelling Conference: Bore or Blast, Melbourne

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Rogers Pass Tunnel - Bore and Blast

The 14.7 km Mt. MacDonald Tunnel beneath Rogers Pass in Canada used both drill-and-blast and machine boring methods._x000D_
A unique ventilation system provides for diesel operations. The design featured minimum construction support and an unrei.nforced poured concrete lining. The west heading was excavated in a single-stage drill-and-blast operation. The east heading used a TBM top heading with a drill-and-blast keyhole bench. The choice of methods was controlled by varying geology, with up to 1,700 m rock cover. Construction performance and progress are evaluated.
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  • Rogers Pass Tunnel - Bore and Blast
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  • Published: 1987
  • PDF Size: 0.888 Mb.
  • Unique ID: P198701048

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