USE OF COMPUTER-CONTROLLED DRILLING JUMBOS IN TUNNELLING. LARGE ROCK CAVERNS - PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM, HELSINKI, FINLAND, 25-28 AUGUST 1986. VOLUME 2

Rock excavation professionals today are desperately looking for even more effective and economical methods. It is agreed that drilling itself is not the bottleneck any more of the rock excavation operation. Rather, accuracy and quality of drilling are becoming increasingly important because time is wasted in all work phases due for instance to overbreak and a bad tunnel face. Recently introduced computer-controlled jumbos are designed to minimize these problems. If all the earlier generations of drilling equipment generations are called mechanized, then the effect of mechanization has been to give the drilling operator the physical strength of several men. Computerized drilling, as the new generation is called, gives the drilling operator not only the strength but, more important still, the drilling experience of the best driller. He does not have to learn everything the hard way and with the company's money. The machine takes care of many things by itself and gives the whole personnel the opportunity of optimizing the rock excavation procedure instead of concentrating on dull routines. For the covering abstract of the symposium see IRRD 810647. (Author/TRRL)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0080340784
• Corporate Authors:

  Pergamon Press, Incorporated

  Headington Hill Hall
  Oxford OX30BW,    
• Authors:
  • Hulkkonen, K
• Publication Date: 1987

Media Info

• Pagination: p. 1489-96
• Serial:
  • Publication of: Pergamon Press Limited
  • Publisher: Pergamon Press, Incorporated

Subject/Index Terms

• TRT Terms: Accuracy; Conferences; Control systems; Drilling; Drilling machines; Economic efficiency; Optimization; Quality control; Rock excavation
• Uncontrolled Terms: Efficiency; Quality
• Old TRIS Terms: Drilling equipment
• ITRD Terms: 8525: Conference; 3874: Control; 8673: Digital computer; 3871: Drilling; 5911: Efficiency; 3674: Equipment; 6440: Error; 5155: Excavation (process)
• Subject Areas: Construction; Economics; Highways; Vehicles and Equipment;

Filing Info

• Accession Number: 00476311
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• ISBN: 0-08-034078-4
• Files: ITRD, TRIS
• Created Date: Sep 30 1988 12:00AM