UTILIZING RECLAIMED ASPHALT PAVEMENT AS A REPLACEMENT FOR COARSE AGGREGATE IN ROLLER COMPACTED CONCRETE
DOI:
https://doi.org/10.55766/sujst-2024-01-e02653Keywords:
Compressive strength, dry density, reclaimed asphalt pavement, roller compacted concrete, sustainable constructionAbstract
The escalating quantities of waste are coming from old bituminous road pavements in Thailand has led to significant environmental and economic challenges. This research explores an innovative solution by investigating the feasibility of using Reclaimed Asphalt Pavement (RAP) as a substitute for natural coarse aggregate in roller compacted concrete (RCC). This study explores optimal proportions between cement to RAP-specifically at ratios of 1:6, 1:8, and 1:10-to achieve maximum dry density. The research includes essential tests, such as dry density and maximum compressive strength assessments, to determine the suitability of the material for compacted concrete production. Intriguingly, the research reveals that the 1:6 ratio not only has the highest dry density and maximum compressive strength but also may minimize environmental impact. These findings align with the ACI 325.10R-95 standard (1995), presenting a promising alternative for engineering applications and contributing to the responsible use of reclaimed materials.
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