Abstract
The purpose of this research was to assess the feasibility of constructing high-performance paving (Superpave) for Kazakhstan with only locally sourced ingredients. Similarly, a standard Marshall technique combination that meets the technical requirements of Kazakhstan was compared. One granite aggregate supplier, 2 aggregate grading, and 2 types of asphalt binder made up the test design. Consensus and source aggregate characteristics requirements met with the Superpave design mix method using locally manufactured granite aggregate. Also, the mixtures volumetric parameters indicated that the asphalt binder content of the superpave combination has shown lower than locally-traditionally Marshall mix. The combinations of Superpave fared better in rutting and moisture resistance tests than those made in the conventional manner. After the ITS values from both samples were averaged, the decrease in significance for the superpave mixtures was 9.1%. It was below the 20% loss level required by the Superpave guidelines. Also by rutting resistance results were significantly differences for 85.5% PG70 with 9.5mm NMAS. All of these results point to the superiority of new method Superpave over the Marshall method.
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