March 1, 2021 Thesis Open Access

YISHAK SAID

MARC21 XML Export

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    <subfield code="a">PERFORMANCE EVALUATION OF BITUMINOUS MIX USING TANNERY SLUDGE AS PARTIAL REPLACEMENT OF FINE AGGREGATE</subfield>
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    <subfield code="a">&lt;p&gt;Pavements are expected to perform better as increased volume of traffic, increased loads and increased variations in daily or seasonal temperature. Bituminous mixes most commonly used all over the world in flexible pavement. It consists of asphalt or bitumen (used as a binder) and aggregate which has been mixed together lay down in layers and then compacted. In this research the performance of bituminous mix using tannery sludge as partial replacement of fine aggregate has been evaluated since tannery sludge has become a serious problem especially in the urban areas and the disposal of this wastes cause environmental pollution. Marshall Specimens of bituminous Mix with and without tannery sludge has been prepared as per the standard procedure. The study area for this research is in Addis Ababa with moderate temperature. The penetration grading PG for the study area is 80/100. Methodology of using tannery sludge in bituminous mixes at 2%, 4%, 6% and 10% and compared with no addition of tannery sludge and presented the various tests performed on aggregates and bitumen at 0.5% incremen&lt;/p&gt;</subfield>
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