Estimation of optimum specific energy based on rock properties for assessment of roadheader performance

Balcı C. , Demircin M., Çopur H. , Tunçdemir H.

JOURNAL OF THE SOUTHERN AFRICAN INSTITUTE OF MINING AND METALLURGY, vol.104, no.11, pp.633-641, 2004 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 104 Issue: 11
  • Publication Date: 2004
  • Title of Journal : JOURNAL OF THE SOUTHERN AFRICAN INSTITUTE OF MINING AND METALLURGY
  • Page Numbers: pp.633-641
  • Keywords: mechanical excavation, roadheader, performance prediction, rock cutting, optimum specific energy, mechanical properties of rocks

Abstract

Specific energy is defined as the amount of work required to break a unit volume of rock and is used to predict the performance of mechanical miners. It is obtained from full-scale rock cutting experiments, which require large block samples, experienced personnel and expensive equipment found in only a few research centres in the world.