Pengaruh Penambahan Pengaruh Penambahan Kapur Pada Mortar Geopolimer Berbahan Dasar Fly Ash Dan Abu Sekam Padi Dengan NaOH 12 Molar
DOI:
https://doi.org/10.25139/jprs.v8i1.9538Keywords:
Geopolymer, Fly Ash, Rice Husk Ash, Lime, Compressive StrengthAbstract
Indonesia, as a country with a large population and rapid economic growth, requires high quality infrastructure. Due to the increasing global population,, climate change, resource scarcity, and demand for more efficient, innovation in construction material technology become crucial. One such innovation is the use of geopolymer mortar, which is environmentally friendly because it does not involve the use of cement. This study aims to determine the effect of lime on geopolymer mortar with fly ash and rice husk ash in 12 Molar NaOH on compressive strength, setting time, and porosity of the mortar, and to identify the optimal lime ratio. The experimental method uses cube samples with dimensions 5x5x5 cm3. The lime ratios used are 1%, 2.5%, 5%, and 7.5%, while the fly ash ratio is 0.8% and the rice husk ash ratio is 0.2%. The results indicate that higher lime ratios result in lower the compressive strength, higher porosity percentages, and faster the initial and final setting times. The optimal lime ratio is 1%, with a compressive strength of 7,568 MPa and the lowest porosity percentage of 17,894% at 28 days of age.
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ASTM International. (2006). ASTM C 642-06 Standard Test Method for Density , Absorption , and Voids in Hardened Concrete. United States.
ASTM International. (2009). ASTM C 29/C 29M - 97 Standard Test Method for Bulk Density (“Unit Weightâ€) and Voids in Aggregate. United States.
ASTM International (1992). ASTM C 191C Standard test methods for time of setting of hydraulic cement. United States.
ASTM International. (2009). ASTM C128 - 07 A Standard Test Method for Density , Relative Density ( Specific Gravity ), and Absorption. United States.
ASTM International. (2016). Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use (Patent No. C168-19). United States
Alfarisi, B. R., & Diana, A. I. N. (2024). Penggunaan Abu Tempurung Kelapa dan Kapur Hidrolis Sebagai Bahan Pengganti Semen pada Mortar Geopolimer. Ge-STRAM, 07(02).
Budiningrum, D. S., Kustirini, A., Purnijanto, B., Mahasukma, D., & Utama, T. Y. (2021). Studi Experimental Kuat Tekan Beton Geopolimer Berbahan Dasar Fly Ash Pltu Tanjungjati B Jepara. Bangun Rekaprima, 7(2). https://doi.org/10.32497/bangunrekaprima.v7i2.2997
Dafilullah, A. A. ., Girgis, B. ., & Gad, H. M. . (2003). Utilization Of Agro-Residues (Rice Husk) In Small Waste Water Treatment Plans. 57(11), 1723–1731.
Maryenttry, E., Firdaus, F., & Prawira, W. Y. (2024). Pengaruh Penambahan Kapur Pada Semen Geopolimer Terhadap Mortar Geopolimer. Rang Teknik Journal, 7(1).
Nurzamilov, A. M. R., & Sitogasa, P. S. A. (2024). Analisis Dampak Industri Semen Menggunakan Metode Life Cycle Assessment (LCA) Pada PT. Semen Z. Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan, 2(1), 62–77. https://doi.org/10.61132/globe.v2i1.127
Okarinda, S. R., Wijaya, R. A. E., & Putra, B. P. (2022). Analisis Pengaruh Porositas Terhadap Uji Kuat Tekan Uniaksial Pada Batulempung di Desa Srimulyo Piyungan Yogyakarta. Jurnal Teknologi Mineral Ft Unmul, 10(2), 33–37. https://doi.org/10.30872/jtm.v10i2.9596
Prabowo, A. R., & Sofia, D. A. (2024). Analisis Pengaruh Jenis Pasir Sebagai Agregat Halus Terhadap Kuat Tekan Beton. AKSELERASI, 6(1).
Rostiana, E., & Rodesbi, A. (2020). Transisi Demografi dan Pertumbuhan Ekonomi Indonesia. Jurnal Economia, 16(1), 1–17.
Siahaan, M. (2024). Volume Of Rice Produced In Indonesia 2018-2023. Statista. https://www.statista.com/statistics/1225805/indonesia-rice-production-volume/?form=MG0AV3
Sulistyorini, D., Galuh, D. L. C., Prayogi, Y. O., Ardiansyah, M. T., & Hakim, A. R. (2023). Studi Eksperimental Kuat Tekan Beton Geopolimer Molaritas Rendah Dengan Variasi Alkali Aktivator 1,5 Dan 2,5. Bangun Rekaprima, 9(1). https://doi.org/10.32497/bangunrekaprima.v9i1.4603
Topmaterial.id. (2022). Jenis, Fungsi dan Daerah Penghasil Batu Kapur di Indonesia. TOPMATERIAL.ID. https://topmaterial.id/daerah-penghasil-batu-kapur/?form=MG0AV3
Wijaya, M. F., Olivia*, M., & Saputra, E. (2019). Kuat Tekan Mortar Geopolimer Abu Terbang Hybrid menggunakan Semen Portland. Jurnal Teknik, 13(1), 61–69. https://doi.org/10.31849/teknik.v13i1.2914
Winarno, H., Muhammad, D., Ahsyar, R., & Wibowo, Y. G. (2019). Pemanfaatan Limbah Fly Ash Dan Bottom Ash Dari Pltu Sumsel-5 Sebagai Bahan Utama Pembuatan Paving Block. Jurnal Teknika, 11(1). https://doi.org/10.30736/jt.v11i1.288
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Published
2025-05-20
How to Cite
Pengaruh Penambahan Pengaruh Penambahan Kapur Pada Mortar Geopolimer Berbahan Dasar Fly Ash Dan Abu Sekam Padi Dengan NaOH 12 Molar . (2025). Ge-STRAM: Jurnal Perencanaan Dan Rekayasa Sipil, 8(1), 20–26. https://doi.org/10.25139/jprs.v8i1.9538
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