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Alam, Riza Yahya
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Civil Engineering, Building, Construction & Architecture Engineering Transportation

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STUDI KELAYAKAN TEKNIS ABU TEMPURUNG KELAPA SEBAGAI BIO FILLER PADA LAPISAN AC-WC SPESIFIKASI BANDAR UDARA Alam, Riza Yahya; Fisaini, Juliana; Taufiq, Luthfi Chaliqi
JURNAL TEKNIK SIPIL Vol 13, No 2 (2024): Volume 13 Nomor 2 November 2024
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jts.v13i2.41465

Abstract

The surface layer of flexible pavement is composed of coarse aggregate, fine aggregate, filler, and asphalt. Generally, the filler material used in flexible pavements is stone ash or cement. However, the continuous use of cement raises concerns about the potential depletion of cement resources in the future. Bio-materials, such as coconut shell ash, offer an alternative option for filler due to the abundance of this waste. To ensure that coconut shell ash can be used as filler, it is necessary to evaluate it according to KP Regulation 14 of 2021 concerning the Technical Specifications for Airport Airside Facilities. The test method employed is the Marshall method, using aggregate gradation and Marshall characteristics for aircraft weighing more than 60,000 lbs, in accordance with KP Regulation 14 of 2021. Coconut shell ash was substituted at varying levels of 2%, 3.5%, 5%, 25%, 50%, and 100% of the filler. The results of this research show that the higher the amount of coconut shell ash substituted, the higher the stability and flow. However, the flow value was too high and exceeded the allowable limit. Therefore, only the 2% variation of coconut shell ash satisfied all Marshall parameters.
Co-Authors Fisaini, Juliana Taufiq, Luthfi Chaliqi