Opportunity Utilization Tailings Waste as Fine Aggregate Material in Asphalt Mixture Performance to Support Sustainable Development Goals (SDGs): A Preliminary Study

Abstract:

Currently, road pavement construction in Indonesia utilized standard materials derived from natural materials such as coarse and fine aggregate. The used of these materials, especially sand used as fine aggregate, will interfere with environmental sustainability, in addition in several locations in Indonesia, these materials were very difficult to obtain or the quality was not in accordanced with the National Indonesian Standard (Bina Marga requirements). In several locations in Indonesia, such as in Timika (Papua) there was material that has the size of sand, included waste from PT Freeport as a waste material from the gold and copper ore mining processed. This material was known as tailings. Currently, tailings waste has reached 223,100 tons per day. This condition was certainly very disturbed to the environment due to the large deposits and so far it has not been optimally utilized for road pavement construction. By conducted an assessment of the properties of this material, both the tailings themselves and the asphalt mixture that has used tailings as its constituent material that functions as a road pavement layer, will provide answers to the benefits of tailings in road pavement construction. The results showed that the asphalt mixture using tailings waste can be used as asphalt mixture material in the LPPA mix type. The used of tailings as one of the asphalt mixture materials can also supported the acceleration of sustainable development carried out by Indonesia to support global actions carried out based on the Sustainable Development Goals (SDGs) to be achieved in 2030.

• Periodical: Key Engineering Materials (Volume 929)
• Pages: 173-180
• DOI: https://doi.org/10.4028/p-tlyq38
• Online since: August 2022
• Authors: Franky E.P. Lapian*, M. Tumpu
• Keywords: Asphalt Mixture, Fine Aggregate, Sustainable Develeopment Goals (SDGs), Tailing Waste

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