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All Journal Jurnal Optimalisasi Tameh : Journal of Civil Engineering
Putri, Cut Nadia
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Transportation

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Analisis Pengaruh Penambahan Abu Cangkang Sawit pada HESC untuk Peningkatan Kualitas Mutu Beton Masrura, Delfian; Rahman, Aulia; Salena, Inseun Yuri; Alvisyahri, Alvisyahri; Putri, Cut Nadia
Jurnal Optimalisasi Vol 11, No 1 (2025): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v11i1.11903

Abstract

West Aceh Regency produces 2,804 tons/year of palm oil with a total of 1.8 million tons/year of palm shell waste. Utilization and solutions to palm shell waste can be done by burning palm shells at high temperatures until they become ashes. Palm ash contains a certain amount of silica and has pozzolan qualities. This study aims to decide the impact of the utilize of palm shell ash and silicafume in High Early Strength Concrete (HESC) concrete mixtures on the magnitude of the compressive strength of concrete. The method used is the experimental laboratory method using American Concrete Institute (ACI) method. The composition of the test pieces is normal concrete (BN), palm shell ash concrete (BCS) with a percentage of 3%, 5%, and 7% plus silicafume 1.5% of the cement weight. The test specimen uses a cylinder with a diameter of 15 cm x 30 cm totaling 24 pieces. Based on the results of the maximum compressive strength of 7-day concrete life of 22.552 MPa of BN test piece, the minimum value is 19.155 MPa of 7% BCS test piece. At 28 days of concrete age, the maximum compressive strength is 26.893 MPa for 3% BCS test piece, and the minimum value is 22.364 MPa for 5% BCS test piece. Based on the results of the tests and analyses carried out, it can be concluded that the expansion of palm shell fiery remains and silicafume to the concrete blend can increment the compressive quality of concrete on average above 20 MPa over time due to the influence of the percentage of pozzolan shell ash and the addictive substance silicafume.
Studi Eksperimental Kuat Tarik Belah High Early Strength Concrete (HESC) dengan Penambahan Abu Cangkang Sawit(Persentase 0%,3%,5%,7% untuk Mutu Beton 25 Mpa) Rahman, Aulia; Putri, Cut Nadia
Tameh Vol. 14 No. 1 (2025): Tameh: Journal of Civil Engineering
Publisher : University of Muhammadiyah Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37598/tameh.v14i1.259

Abstract

Aceh Barat menghasilkan kelapa sawit sebanyak dengan jumlah limbah cangkang sawit mencapai 1,8 juta ton/tahun. Pemanfaatan dan solusi terhadap limbah cangkang sawit dapat dilakukan dengan pembakaran cangkang sawit pada suhu tinggi hingga menjadi abu. Abu sawit mengandung sejumlah silika dan memiliki kualitas pozzolan. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan abu cangkang sawit dan silicafume pada campuran  High Early Strength Concrete (HESC) terhadap besarnya nilai kuat tarik belah maksimum beton. Metode yang digunakan yaitu metode eksperimental laboratotium American Concrete Institute (ACI). Komposisi benda uji yaitu  menggunakan beton normal (BN) beton abu cangkang sawit (BCS) dengan persentase 3%, 5%, dan 7% ditambah silica fume 1,5% terhadap berat semen. Benda uji menggunakan silinder diameter 150 mm x 300 mm berjumlah 12 buah. Hasil kuat tarik belah beton maksimum umur 7 hari sebesar 2,548 MPa benda uji BN, nilai minimum sebesar 2,453 MPa benda uji BCS 3% dan BCS 5%. Pada umur 28 hari kuat tarik belah beton maksimum sebesar 3,020 MPa benda uji BCS 3%, nilai minimum sebesar 2,548 MPa benda uji BCS 5%. Berdasarkan hasil pengujian di lakukan dapat disimpulkan bahwa penambahan abu  dan analisis yang cangkang sawit dan silica fume pada campuran beton dapat meningkatkan kuat tarik belah beton rata-rata. Seiring berjalannya waktu disebabkan pengaruh persentase abu cangkang yang bersifat pozzolan dan adiktif silica fume.  
Co-Authors Alvisyahri, Alvisyahri Aulia Rahman Aulia Rahman MASRURA, DELFIAN Salena, Inseun Yuri