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Performance of Palm Kernel Shells as a Partial replacement for Coarse Aggregate in Asphalt Concrete

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Author(s): Peter Ndoke NDOKE

Journal: Leonardo Electronic Journal of Practices and Technologies
ISSN 1583-1078

Volume: 5;
Issue: 9;
Start page: 145;
Date: 2006;
Original page

Keywords: Palm kernel shells | coarse aggregate | marshal stability

ABSTRACT
This paper looks at the potentials of palm kernel shells as coarse aggregates in road binder courses with emphasis on strength of the asphalt concrete as given by the Marshal Stability and flow values. It was observed that palm kernel shells can be used to replace coarse aggregate up to 30% before drastic reductions become noticeable. It is therefore recommended that for heavily trafficked roads, palm kernel shells up to 10% can be used for the replacement while even 100% replacement is possible for lightly trafficked roads in the rural settings.
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