METHODS FOR THE INDIRECT MEASUREMENT OF PARTICLE SHAPE AND DETERMINATION OF MICA CONTENT IN GRAIN SIZE DISTRIBUTION 0.074-4 MM

METODER FOER INDIREKT MAETNING AV KORNFORM OCH BESTAEMNING AV GLIMMERHALT I FRAKTIONEN 0,074-4 MM

Trials have been made to investigate the importance of mica and particle shape on the compaction in grain-size 0.074-4 mm. Tests have been made with methods like particle index (ASTM d 3398), angularity number (BS 812), porosity, laboratory penetration test and point-counting with a microscope. Only the particle index reflects the influence of particle shape to a sufficient degree for a test method. The free mica content does not stand in relation to any of the above mentioned methods. Mica is an extreme particle form. Tests have been made on wellrounded sands, crushed rock, mica-rich rock and blast furnace slag. (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:
  • Wichmann, C
  • KARLSSON, B
• Publication Date: 1984

Language

• Swedish

Media Info

• Features: Figures; Photos; References; Tables;
• Pagination: 31 p.
• Serial:
  • Publication of: National Swedish Road & Traffic Research Institute
  • Issue Number: 392
  • Publisher: Swedish National Road and Traffic Research Institute
  • ISSN: 0347-6049

Subject/Index Terms

• TRT Terms: Angularity; Blast furnaces; Compaction; Crushed rock; Grain size (Geology); Measurement; Mica; Particles; Porosity; Rocks; Sand; Shape; Slag; Test procedures
• Uncontrolled Terms: Particle size distribution
• Old TRIS Terms: Particle shapes
• ITRD Terms: 3686: Compaction; 4173: Crushed stone; 4194: Mica; 6200: Particle size distribution; 4154: Rock; 4105: Sand; 4561: Slag; 6288: Test method
• Subject Areas: Geotechnology; Highways; I36: Aggregates;

Filing Info

• Accession Number: 00392526
• 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