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EBZ200 Roadheader for Marble rock

  • Roadheader used: EBZ200
  • Project start time: 2013/7/20
  • Project completion time: 2014/8/20
  • Rock properties: Marble rock, hard sandstone, fractured rock hardness rating F4
  • Section Tunnel: height 3.5m, width 4.3m,
  • Footage: 10m/day