The Effect Of Marble Powder Addition On Geopolymer Mortar Based On Rice Husk Ash and Fly Ash (Using 8 Molar NaOH Activator)
DOI:
https://doi.org/10.26740/rekats.v14n01.p29-36Keywords:
Geopolymer Mortar, Fly Ash, Rice Husk Ash, Marble Powder, 8M NaOHAbstract
Concrete remains a primary material in construction, with Portland cement as its main binder. The growing demand for construction leads to increased cement production, which contributes to CO₂ emissions, air pollution, and global warming. In response to these environmental challenges, geopolymer mortar emerges as a viable and sustainable alternative. This research explores the use of fly ash and rice husk ash as the main binders in geopolymer mortar, with marble waste serving as an additive. The research aims to observe the effects of these materials on compressive strength, porosity percentage, and setting time of the geopolymer mortar. The mortar samples were cast in cube shapes (5 cm × 5 cm × 5 cm), with 15 samples prepared for each mix design across a total of 10 design variations. Testing was conducted at ages 7, 14, and 28 days. The results showed that adding 10% marble waste yielded the highest compressive strength of 22.732 MPa and the lowest porosity of 10.16%. Additionally, each 1% increase in marble waste proportion reduced the final setting time by approximately 14.8 minutes. The research contributes to creating a strong and sustainable mix design that promotes innovation in geopolymer mortar.
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References
Akbar, R., & Anggraini, R. (2025). Pengaruh Substitusi Penambahan Abu Sekam Padi Terhadap Kuat Tekan Beton Normal. E-Jurnal Universitas Bung Hatta, 1–10.
Alobaydy, O. (2024). Impacts of Cement Production on the Environment with Practical Solutions: A critical review. Journal of Research Technology & Engineering, 5(2), 12–27.
Arifin. (2018). Pengaruh Subtitusi Limbah Marmer Pada Fly Ash Terhadap Kuat Tekan dan Porositas Beton Geopolimer Pada Molaritas 10M. Jurnal Rekayasa Teknik Sipil, 1(1), 16–23.
ASTM International. (2008). C 191 – 08 Standard Test Methods for Time of Setting of Hydraulic Cement by Vicat Needle. https://doi.org/10.1520/C1709-18.
ASTM International. (2020). C109/C109M − 20 Standard Test Method for Compressive Strength of Hydraulic Cement Mortars. https://doi.org/10.1520/C0109
ASTM International. (2021). ASTM C642-2021 Standard Test Method for Density, Absorption, and Voids in Hardened Concrete.
Badan Standardisasi Nasional. (2002a). Sni 03-6825-2002 Metode Pengujian Kekuatan Tekan Mortar Semen Portland untuk Pekerjaan Sipil.
Badan Standardisasi Nasional. (2002b). SNI 03-6827-2002 Metode Pengujian Waktu Ikat Awal Semen Portland dengan Menggunakan Alat Vicat untuk Pekerjaan Sipil.
Darmawan, A. et al. (2020). Pengaruh Alkali Aktifator Terhadap Setting Time dan Kuat Tekan Umur Awal Mortar Geopolimer Berbasis Fly Ash PLTU Nagan Raya. Jurnal Sipil Sains Terapan, 03(1).
Desfitri, E. R. et al. (2022). Analisis dan Karakterisasi Potensi Pozzolan Sebagai Sumber Silika (SiO2) Untuk Meningkatkan Nilai Sumber Daya Lokal. Jurnal Rekayasa Hijau, 6(2), 96–105. https://doi.org/10.26760/jrh.v6i2.96-105
Fauzi, A. et al. (2020). Analisa Karakteristik Mekanik Mortar Geopolimer dengan Mengacu kepada Karakteristik Mekanik Mortar Konvensional. Proceeding Seminar Nasional Politeknik Negeri Lhokseumawe, 4(1), 31–35. http://e-jurnal.pnl.ac.id/semnaspnl/article/view/2658%0Ahttp://e-jurnal.pnl.ac.id/semnaspnl/article/viewFile/2658/2208
Felix Wijaya, M. et al. (2019). Kuat Tekan Mortar Geopolimer Abu Terbang Hybrid menggunakan Semen Portland. Jurnal Teknik, 13(1), 60–68. https://doi.org/10.31849/teknik.v13i1.2914
Karunia, E. (2018). Pengaruh Water-Binder Ratio (W/B) Pada Nilai Kuat Tekan Mortar Dry Geopolymer Berbahan Dasar Fly Ash, Kapur dan NaOH 10 Molar. Rekayasa Teknik Sipil.
Lairenz, K. N. et al. (2019). Pengaruh Komposisi Alkali Activator dan Urutan Penyampuran Terhadap Karakteristik Mortar Geopolimer High Calcium Fly Ash. Jurnal Dimensi Pratama Teknik Sipil, 8(1), 178–185. https://publication.petra.ac.id/index.php/teknik-sipil/article/view/9470
Pratama, S. R. (2019). Pengaruh Substitusi Fly Ash pada Bahan Pengikat Campuran Paving Block ditinjau dari Kuat Tekan, Keausan, dan Penyerapan Air. Jurnal Fakultas Teknik Sipil, 4–7.
Setiawati, M. (2018). Fly Ash Sebagai Bahan Pengganti Semen Pada Beton. Seminar Nasional Sains Dan Teknologi 2018 , 1–8.
Simanjuntak, D. M., & Wardhono, A. (2022). Analisis Kuat Tekan Dan Porositas Mortar Geopolimer Menggunakan Abu Sekam Padi Sebagai Bahan Substitusi Fly Ash Pada Molaritas 8. Rekayasa Teknik Sipil, 4(3), 1–10.
Temuujin, J. et al. (2009). Influence of Calcium Compounds on the Mechanical Properties of Fly Ash Geopolymer Pastes. Journal of Hazardous Materials, 167(1–3), 82–88. https://doi.org/10.1016/j.jhazmat.2008.12.121
Triantono, R. E., & Wardhono, A. (2019). Geopolymer Mortar Metode Wet Mixing Dengan Berbahan Dasar Abu Terbang Dan NaOH. Jurnal Rekayasa Teknik Sipil, 1–5.
Wahyuni et al. (2020). Pengaruh Penambahan Abu Sekam Padi Terhadap Struktur Dan Sifat Mekanik Geopolimer Berbasis Fly Ash. Jurnal Sains Dan Pendidikan Fisika, 16(2), 171–180. https://doi.org/10.35580/jspf.v16i2.15984
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