Abstract

Abstract: This article reviews the latest technological innovations in the use of Asbuton, natural asphalt originating from Buton Island, for road rehabilitation. Asbuton is known to have a number of advantages, such as its high bitumen content, resistance to extreme temperatures, and the potential to provide economic benefits to local communities. Various treatment methods, including conventional methods, Hot Water Process, and Cold Paving Hot Mix Asbuton (CPHMA), have been studied to improve the quality and efficiency of their use. In addition, innovations such as polymer modifications, cold recycling techniques, and the implementation of modern quality control systems are also discussed as factors that can improve Asbuton's performance and sustainability. Despite having significant potential, challenges in terms of production facilities, standardization, skilled human resource development, and regulations still need to be considered. The recommendations proposed in this review include accelerating the standardization process, training for the workforce, investment in infrastructure, and collaboration with research institutions to support the optimal and sustainable use of Asbuton in road infrastructure development.

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