The use of insoluble dry powder polymer and marginal material on a mining haul road from a design and construction perspective

This paper outlines some of the design and construction processes and methodologies adopted in the upgrade of approximately 51.5 km of existing haul road to an 80km/hr design speed for a mine site, which uses a combination of triple and quad road train haulage vehicles. The road was designed and constructed late 2015 using stabilised marginal material with a two-coat spray seal surface. The entire road building materials used on the project were sourced from within 100m either side of the existing road alignment. The works were completed with the mine still in operation with operational vehicles running on adjacent temporary side tracks beside the works. The site is located approximately 135 kilometres north-northwest of Mount Isa, and is exposed to extreme weather conditions including flooding. The pavement was designed to carry a design traffic loading of 5 x 106 ESA’s over a design period of 8 years, allowing for very wet and dry conditions. This catered for a total haulage volume of approximately 13Mt of minerals over the life of the mine as well as other operations. The work also involved identifying, sourcing, and processing the road base gravel from within the road reserve, which consisted of a 100m limit either side of a pre-existing access track.

• Record URL:
  http://arrbknowledge.com
• Authors:
  • Yeo, R
  • Wallis, M
• Conference:
  • ARRB Conference, 27th, 2016, Melbourne, Victoria, Australia
• Publication Date: 2016-11

Language

• English

Media Info

• Pagination: 15p
• Monograph Title: Linking people, places and opportunities: 27th ARRB Conference, 16-18 November 2016, Melbourne, Victoria

Subject/Index Terms

• TRT Terms: Base course (Pavements); Gravel; Gravel roads; Mines; Pavement components; Pavement design; Pavements; Polymers; Seal coats
• Uncontrolled Terms: Materials technology (asphalt/bitumen/concrete); Pavement technology
• Geographic Terms: Australia; Queensland
• ATRI Terms: Gravel; Mining road; Pavement design; Pavement materials; Polymer; Roadbase; Sprayed seal
• ITRD Terms: 9011: Design (overall design); 2973: Sealing coat (on top of the surfacing)
• Subject Areas: Highways; Pavements; I33: Other Materials used in Pavement Layers;

Filing Info

• Accession Number: 01622961
• Record Type: Publication
• Source Agency: ARRB
• Files: ITRD, ATRI
• Created Date: Jan 24 2017 12:03PM