The performance of stabilised limestone as a pavement material in Perth, Western Australia

Aeolian calcarenite (tamala limestone) is a readily available and economical pavement material in the Perth area. In November 1977 four pavement trial sections were constructed on leach highway, an urban arterial road in the Perth metropolitan area. In three sections the base is limestone stabilised with 1 and 2 per cent bitumen and 2 per cent cement surfaced with single coat seal. The subbase is unstabilised limestone. The fourth section consists of 50 mm asphalt on unstabilised limestone subbase. By November 1987 the most heavily trafficked lane had carried 1.8 X 10**6 esa. The surface deflections indicate a service life in excess of 10**8 esa. The traffic loading to rut depth requiring surface correction depends on the section and is in the range of 4 x 10**6 to 9 x 10**6 esa. The development of a microcrack system in the cement stabilised base does not appear to have had an adverse effect on its performance. Maintenance has been limited to the reinstatement of small areas of seal generally removed by impact of vehicles or their loads. The performance of all sections has been satisfactory to date (a).

• Record URL:
  http://arrbknowledge.com
• Authors:
  • Hamory, G
  • Cocks, G C
• Conference:
  • Australian Road Research Board (ARRB) Conference, 14th, 1988, Canberra
• Publication Date: 1988

Language

• English

Media Info

• Pagination: 162-71
• Monograph Title: Is seven day strength a reliable indicator of 28 day strength in road pavement concrete?
• Serial:
  • Volume: 14
  • Issue Number: 7

Subject/Index Terms

• TRT Terms: Axle load force; Deflection; Limestone; Moisture content; Pavement components; Pavement layers; Pavement performance; Pavements; Properties of materials; Roughness; Subgrade (Pavements); Tensile strength; Tests for suitability, service and quality; Urban highways
• ATRI Terms: Deflection; Density; Equivalent standard axle (ESA); Limestone; Material properties; Moisture content; Pavement layer; Pavement materials; Pavement performance; Pavement testing; Roughness; Stabilization; Subgrade; Tensile strength; Urban road
• Subject Areas: Highways; Pavements;

Filing Info

• Accession Number: 01429778
• Record Type: Publication
• Source Agency: ARRB
• Files: ATRI
• Created Date: Aug 24 2012 3:36PM