Application of Clegg impact value for the evaluation of the properties of asphalt concrete

Paranavithana, S and Mohajerani, A 2003, 'Application of Clegg impact value for the evaluation of the properties of asphalt concrete', Australian Geomechanics, vol. 38, no. 2, pp. 65-72.


Document type: Journal Article
Collection: Journal Articles

Title Application of Clegg impact value for the evaluation of the properties of asphalt concrete
Author(s) Paranavithana, S
Mohajerani, A
Year 2003
Journal name Australian Geomechanics
Volume number 38
Issue number 2
Start page 65
End page 72
Total pages 8
Publisher Australian Geomechanics Society
Abstract The Clegg impact hammer is used to obtain a parameter relating to strength or stiffness of soil or similar type of materials. Tha parameter obtained is called the Clegg impact value(CIV). This study has investigated the relationship between CIV and bitument content in a compacted bituminous concrete and the possible application of CIV for the evaluation of the properties of asphalt concrete. It was found that the CIV of compacted asphalt increases to a maximum value and decreases with an increase in bitument content. This relationship was similar to the stability versus bitumen content relationship detemined in the Marshall method of mix design. Optimum binder contents determined using CIV, air voids and bulk density were comparable with those values determined using the standard Marshall method and the Austroads Pavement Research Group method.
Subject Structural Engineering
Copyright notice © Australian Geomechanics Society
ISSN 0818-9110
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