EFFECT OF LABORATORY COMPACTION METHOD ON TEST RESULTS USING SHRP A- 003A TYPE EQUIPMENT

SHRP A-003A has developed test methods and equipment for evaluation of permanent deformation and fatigue of bituminous mixtures: the repetitive simple shear test at constant height (RSST-CH)of 15 cm diameter and 5 cm height cores; the repetitive flexural bending of 38.1 x 7.5 x 5 cm beams. In this paper results from investigations into the effects of laboratory specimen preparation variables on test results obtained from the SHRP A-003A proposed mixture analysis equipment is presented. The following aspects are considered: (1) impact of compaction variables on permanent shear deformation and fatigue test results; (2) effects of compaction method on aggregate and air void structures; (3) the importance of compaction method and cut and uncut surfaces on air void content measurement; (4) effects of cut and as-molded surfaces on RSST-CH results; and (5) comparison of RSST-CH results for specimens prepared using different laboratory compaction methods and field compacted specimens. For the covering abstract of the conference see IRRD 874003.

Language

  • English

Media Info

  • Features: References;
  • Pagination: p. 291-306
  • Serial:
    • Issue Number: 1A:3

Subject/Index Terms

Filing Info

  • Accession Number: 00714277
  • Record Type: Publication
  • Source Agency: Swedish National Road and Transport Research Institute (VTI)
  • Files: ITRD
  • Created Date: Dec 27 1995 12:00AM