DRILLING OF PLUTONIC ROCKS IN THE QUARRY

LA PERFORATION EN CARRIERE DE ROCHE MASSIVE

THE AUTHOR DEALS WITH THE SELECTION OF DRILLING TOOLS AND EXAMINES HOW MUCH THEY SATISFY THE FOLLOWING CRITERIA: (1) WORKABILITY; (2) INDEPENDANCE; (3) SAFETY AND RELIABILITY; (4) ADAPTABILITY TO THE IRREGULARITIES IN THE DEPOSIT; (5) OVERALL COST. DETAILS ARE GIVEN OF VARIOUS TYPES OF EQUIPMENT: (1) CONVENTIONAL EQUIPMENT, PORTABLE DRILLING MACHINE, CONVENTIONAL PNEUMATIC HAMMER AND GALLERY MACHINES; (2) NEW TECHNIQUES, "BOTTOM OF HOLE" HAMMER TECHNIQUE AND HYDRAULIC ENERGY TECHNIQUE. PRESENT TENDENCIES ARE DISCUSSED.

Language

  • French

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 01289543
  • Record Type: Publication
  • Source Agency: Institut Francais des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)
  • Files: ITRD
  • Created Date: Nov 21 2010 1:49AM