EBZ260 Roadheader for highway tunnel

  • Equipment model:EBZ260
  • Project start date : 2014/3/20
  • Project completion date : 2015/4/22
  • Surrounding rock grade: F5
  • Rock hardness: 50MPa;
  • Rock properties: volcanic pebbles.
  • Tunnel section 11m width × 10m height
  • progress achieved was 154cbm / day;