Effects of field control of filler contents and compaction on asphalt mix properties.

Author(s)
Anani, B.A. Balghunaim, F. & Swailmi, S.H.
Year
Abstract

The objective of this study is to determine the effects on asphalt mixes of inadequate field supervision over filler content and compaction. Inadequate field control frequently leads to asphalt mixes with more fines in the mix production stage and less compaction than is desirable. An extensive laboratory program was executed in which these effects were studied. Varying the levels of compactive effort and filler content produced appreciable effects on the properties of asphalt mixes, but the effects were not consistent with the degree of variance. Voids are affected more by changes in the filler content than by compactive effort. The variation of modulus of resilience with changes in void content was established and suggests a definite relationship. Finally, a rational mix design procedure is suggested based on the results of the laboratory analysis.

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Publication

Library number
C 22165 (In: C 22161 S) IRRD 832377
Source

In: Asphalt construction, premature rutting, and surface friction courses : a peer-reviewed publication of the Transportation Research Board TRB, Transportation Research Record No. 1217, p. 29-37, 5 ref.

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