Pengaruh Penggunaan Gondorukem (resina Colophonium) Sebagai Pengganti Sebagian Aspal Pada Campuran Aspal Porus Terhadap Karakteristik Marshall

Rafiani, Arie (2024) Pengaruh Penggunaan Gondorukem (resina Colophonium) Sebagai Pengganti Sebagian Aspal Pada Campuran Aspal Porus Terhadap Karakteristik Marshall. Other thesis, Universitas Islam Riau.

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Abstract

Road damage is generally caused by several factors, namely rainwater, heavy vehicle wheel loads, high groundwater levels, changes in environmental conditions or poor drainage functions. High rainfall causes puddles on the road surface, so porous pavement design is porous asphalt that can reduce puddles on the road surface. One of the renewable natural resources is Gondorukem (resina colophonium), one of the altermative materials that can maintain the quality of asphalt in good condition, besides that it can also increase stability. In this study, gondorukem (resina colophonium) was used as a partial replacement for asphalt in porous asphalt mixtures. The purpose of this study was to determine the optimum percentage of asphalt content with the use of gondorukem (Colophonium resina) and the effect of using gondorukem (Colophonium resina) as a partial replacement for asphalt in porous asphalt mixtures on Marshall characteristics. This research was conducted experimentally in the laboratory of PT Virajaya Riauputra which refers to the Australian Asphalt Pavement Association (AAPA) Specifications, 2004, and uses the Marshall test method with the percentage of gondorukem (resina colophonium) which is 0%, 8%, 12%, 16% and 20%. Ased on the research results, the Optimum Asphalt Content of 4.7% was obtained. For stability, the highest value was achieved at 0% variation with 633.3 kg, at 16% variation, the stability increased to 556.5 kg. However, at 20% variation, the stability decreased to 524.5 kg. For VMA, values varied with increasing and decreasing percentage of gondorukem, from 27,22% at 0% to 27,58% at 20%, but still met AAPA specifications. VIM values from 18,41% at 0% decreased to 18,82% at 20%, and all variations were within the range of AAPA, 2004 specifications. The highest flow value was obtained at 0% with 4.27 mm, and decreased at 16% and 20%. Overall for stability, VMA, VIM, and flow, the use of 20% gondorukem still meets the specifications of the Australian Asphalt Pavement Association (AAPA) Specification, 2004.

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