Durability Performance of Asphalt Concrete Wearing Course Using Marble Waste as Filler

Abstract

Filler is one of pavement mixture component. According to some previous researches, marble waste as filler can increase Marshall characteristic values which represent asphalt concrete mixture performance. Another performance parameter is durability. This study aims to analyze durability of asphalt concrete mixtures using marble waste as filler experimentally in laboratory. Data collection of asphalt mixture characteristic was done with several variations of marble content in the mixture composition. Based on Marshall testing result, 25% marble content by filler weight is the optimum marble content. This composition is then used for durability testing with several variations in immersion time. The results showed that the use of marble waste was not able to increase the mixture durability because it has a greater strength loss than the sample without marble. These results indicate that based on Residual Strength Index and Stability Reduction Index, samples without marble are more durable than samples contain marble.