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Title:
SUPERPAVE (REGISTERED TRADEMARK) LABORATORY COMPACTION VERSUS FIELD COMPACTION
Accession Number:
00965425
Abstract:
Laboratory compaction is an important part of asphalt mix design. For the mix design process to be effective, laboratory compaction must adequately simulate field compaction. In this study mechanical properties measured with the Superpave shear tester were used to evaluate field compaction and laboratory compaction. The field compaction consisted of three test sections with different compaction patterns. The laboratory compaction used the Superpave gyratory compactor with adjustments to several parameters. Results of this study indicate that current gyratory protocol produces specimens with significantly different mechanical properties than those of field cores produced with the same material and compacted to the same air voids. Results also show that adjustments to certain parameters of the gyratory can produce specimens that better simulate the mechanical properties of pavement cores.
Supplemental Notes:
This paper appears in Transportation Research Record No. 1832, Bituminous Paving Mixtures 2003.
Corporate Authors:
Transportation Research Board
500 Fifth Street, NW
Washington, DC 20001 United States
Authors:
Peterson, R L
Mahboub, K C
Anderson, R M
Masad, E
Tashman, L
Features:
Figures
(5)
; References
(11)
; Tables
(9)
Subject Areas:
Highways; Materials; I31: Bituminous Binders and Materials
Created Date:
Nov 6 2003 12:00AM
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