Carajas Rises to Capacity Challenge

The single-track Carajas Railway (EFC) of Brazil will be carrying 440% more heavy-haul freight traffic than it was designed to handle by 2012. Its capacity has already grown tremendously since it opened in 1985-from 35 million tons annually to 89.4 million tons. Rather than doubling the single-track mainline, which is 892 km long, EFC, owned by mining's CVRD, is promoting use of the latest technology to face the epic operational challenge of eventually carrying 190 million tons annually over its existing track. Testing of 312-wagon-long iron ore trains began in October 2006 after exhaustive tests in regard to such factors as bogie hunting. The braking and traction power of these trains is controlled by Locotrol, introduced at a cost of Reais 40.3 million ($19.5 million (US)). Longer trains require lengthened passing loops and rebuilt loading and unloading areas. Infrastructure upgrades are also being studied so that 32.5 ton axleloads may be accommodated, as well as new software program installation. The "Trains" program should give the dispatcher/controller the best traffic management solution. Testing of Bainitic rail, which should last longer on lines with very heavy traffic volumes and long straight sections because it is made with a carbon alloy, is also planned. EFC also began testing a new bogie with a 32.5-ton axleload support capability at the end of 2006.

Language

  • English

Media Info

  • Media Type: Print
  • Features: Photos;
  • Pagination: pp 32-33
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 01053954
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jul 13 2007 5:59PM