INFLUENCE OF ORGANIC SUBSTANCE IN AGGREGATES WHEN STABILIZING ROAD PAVEMENT MATERIALS. A LITERATURE STUDY

INVERKAN AV ORGANISKT MATERIAL VID STABILISERING MED HYDRAULISKA BINDEMEDEL. EN LITTERATURUNDERSOEKNING

Marginal aggregates as sands and glacial tills may be contaminated by organic substances which exert a retarding effect when stabilizing pavement materials with hydraulic binders or in concreting work. The reaction mechanisms are inadequately known because of the complex nature of the organic substances. Their content generally is of lesser importance than their nature. When stabilizing pavement materials additions as calcium chloride, alkali salts, gypsum, etc, can improve the binding action, but their effect depends on the type of binder. Test methods used for a quick analysis, for example the colorimetric test in natrium hydroxide solution, may be misleading. Aggregates that are suspected of containing organic impurities must be tested for strength development, if necessary with different binders and additions. (Author/TRRL)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/03476049
• Corporate Authors:

  Swedish National Road and Transport Research Institute (VTI)

  Linköping,   Sweden  SE-581 95
• Authors:
  • HOEBEDA, P
• Publication Date: 1984

Language

• Swedish

Media Info

• Features: Appendices; Figures; References;
• Pagination: 15 p.
• Serial:
  • Publication of: National Swedish Road & Traffic Research Institute
  • Issue Number: 383
  • Publisher: Swedish National Road and Traffic Research Institute
  • ISSN: 0347-6049

Subject/Index Terms

• TRT Terms: Aggregates; Alkali; Binders; Calcium chloride; Cement; Contaminants; Gypsum; Impurities; Moraines; Organic compounds; Pavement base course; Sand; Soil stabilization; Stabilized materials; Strength of materials; Subgrade (Pavements); Till
• Uncontrolled Terms: Contamination
• Old TRIS Terms: Alkali salts; Impurity
• ITRD Terms: 4948: Binder; 4198: Boulder clay; 4758: Cement; 4011: Glacial; 7366: Organic; 2453: Pollution; 3688: Roadbase stabilization; 4105: Sand; 5544: Strength (mater)
• Subject Areas: Geotechnology; Highways; Materials; I33: Other Materials used in Pavement Layers;

Filing Info

• Accession Number: 00392550
• Record Type: Publication
• Source Agency: Swedish National Road and Transport Research Institute (VTI)
• Report/Paper Numbers: Monograph
• Files: ITRD, TRIS
• Created Date: Mar 29 1985 12:00AM