Pengaruh Stabilisasi Tanah Lunak Menggunakan Tanah Pedel dan Silica Fume terhadap Kinerja Mekanis dan Kimiawi Tanah
The Effect of Soft Soil Stabilization Using Pedel Soil and Silica Fume on the Mechanical and Chemical Performance of Soil
DOI:
https://doi.org/10.29103/tj.v16i1.1321Keywords:
Stabilization, Soft Soil, Pedel Soil, Silica Fume, Calcium Silicate Hydrate (CSH)Abstract
Abstrak
Tanah lunak memiliki karakteristik daya dukung rendah, konsistensi lunak, potensi penurunan tinggi, dan stabilitas rendah yang dapat menyebabkan ketidakmampuan tanah dalam menahan beban konstruksi, sehingga penerapan metode perbaikam tanah menjadi keharusan. Penelitian ini menggunakan metode stabilisasi untuk memperbaiki tanah dengan penambahan tanah pedel dan silica fume untuk meningkatkan sifat mekanis dan kimiawi tanah, melalui pengujian UCS, triaksial, dan ED-XRF. Variasi tanah pedel yang digunakan yaitu 3%, 6%, 9%, dan 12%, kemudian persentase optimum tanah pedel dikombinasikan dengan 7,5% silica fume. Hasil menunjukkan bahwa tambahan tanah pedel 9% merupakan variasi paling optimum, terjadi peningkatan kuat tekan bebas hingga 691%, kohesi 296%, dan sudut geser 115% jika dibandingkan tanah asli pada masa peram 14 hari. Kombinasi tanah pedel 9% dan silica fume 7,5% juga meningkatkan kuat tekan, kohesi dan sudut geser tanah berturut turut hingga 756%, 311%, dan 138% jika dibandingkan dengan tanah asli pada masa peram yang sama. Peningkatan ini dipengaruhi reaksi kimia pembentukan Calcium Silicate Hydrate (CSH) dari interaksi CaO pada tanah pedel dan SiO₂ silica fume.
Kata kunci: Stabilisasi, Tanah Lunak, Tanah Pedel, Silica Fume, Calcium Silicate Hydrate (CSH)
Abstract
Soft soil is characterized by low bearing capacity, soft consistency, high settlement potential, and low stability, which can lead to the soil’s inability to support construction loads; therefore, the application of soil improvement methods becomes essential. This study employs a stabilization method to improve soil by adding pedel soil and silica fume to enhance the mechanical and chemical properties of the soil, through UCS, triaxial, and ED-XRF tests. The pedel soil contents used were 3%, 6%, 9%, and 12%, after which the optimum pedel soil percentage was combined with 7.5% silica fume. The results show that the addition of 9% pedel soil is the most optimum variation, resulting in increases in unconfined compressive strength of up to 691%, cohesion by 296%, and internal friction angle by 115% compared to the natural soil at a curing period of 14 days. The combination of 9% pedel soil and 7.5% silica fume further increased the unconfined compressive strength, cohesion, and internal friction angle by 756%, 311%, and 138%, respectively, compared to the natural soil at the same curing period. These improvements are influenced by the chemical reaction forming Calcium Silicate Hydrate (CSH) from the interaction between CaO in the pedel soil and SiO₂ in the silica fume.
Keywords: Stabilization, Soft Soil, Pedel Soil, Silica Fume, Calcium Silicate Hydrate (CSH)
References
Al-Gharbawi, A.S.A., Najemalden, A.M. and Fattah, M.Y., 2023. Expansive Soil Stabilization with Lime, Cement, and Silica Fume. Applied Sciences (Switzerland), 13(1).
Aryanto, M., Suhendra, S. and Amalia, K.R., 2021. Stabilisasi Tanah Lempung Ekspansif Menggunakan Kapur Tohor. Jurnal Talenta Sipil, 4(1), pp.38–43. Available at: DOI 10.33087/talentasipil.v4i1.47.
Brescia-Norambuena, L. et al., 2021. Improving concrete underground mining pavements performance through the synergic effect of silica fume, nanosilica, and polypropylene fibers. Construction and Building Materials, 285.
Das, B.M., Endah, N. and Mochtar, I.B., 1995. Mekanika Tanah Jilid 1(Prinsip-prinsip Rekayasa Geoteknik, Erlangga.
Ewa, D.E., Egbe, E.A., Ukpata, J.O. and Etika, A., 2023. Sustainable subgrade improvement using limestone dust and sugarcane bagasse ash. Sustainable Technology and Entrepreneurship, 2(1). Available at: https://doi.org/10.1016/j.stae.2022.100028.
Falah, M.W. and Muteb, H., 2023. Applying different soil stabilization mechanisms: a review. Archives of Civil Engineering, 69(4), pp.339–358. Available at: https://doi.org/10.24425/ace.2023.147663.
Hamada, H.M. et al., 2023. Effect of silica fume on the properties of sustainable cement concrete. Journal of Materials Research and Technology, 24(1), pp.8887–8908. Available at: https://doi.org/10.1016/j.jmrt.2023.05.147.
Haris, H., Adawiyah, R. and Gazali, A., 2023. Stabilisasi Tanah Lempung Menggunakan Campuran Abu Sekam Padi Dan Semen Di Tinjau Terhadap Nilai CBR Di Kecamatan Marabahan Kabupaten Barito Kuala. Jurnal Kacapuri : Jurnal Keilmuan Teknik Sipil, 6(1), pp.74–86. Available at: http://dx.doi.org/10.31602/jk.v6i1.11648.
Hassan, H.J.A., 2023. Utilizing Glass Powder And Limestone Dust As An Alternative to Portland Cement for Stabilization of Clayey Soils. The Journal of Duhok University, 26(2), pp.189–200. Available at: https://journal.uod.ac/index.php/uodjournal/article/view/3058.
He, K. et al., 2024. Experimental Study on the Effect of the Displacement Rate on the Shear Strength of Coastal Soft Soil. Buildings, 14(11), p.3491. Available at: https://doi.org/10.3390/buildings14113491.
Ibrahim, H.H. et al., 2020. Improving the geotechnical properties of high expansive clay using limestone powder. Innovative Infrastructure Solutions, 5(3), p.112. Available at: https://doi.org/10.1007/s41062-020-00366-z.
Jiang, N. et al., 2021. Strength characteristics and microstructure of cement stabilized soft soil admixed with silica fume. Materials, 14(8), pp.1–11. Available at: https://doi.org/10.3390/ma14081929.
Mustafa, Y.M.H. et al., 2021. Utilization of Portland cement with limestone powder and cement kiln dust for stabilization/solidification of oil-contaminated marl soil. Environmental Science and Pollution Research, 28(3), pp.3196–3216. Available at: https://doi.org/10.1007/s11356-020-10590-w.
Nengsih, R.F. et al., 2022. Identification of Clay Element Content in Fabric Dyeing Process Using X-Ray Fluorescence Spectrometry. Jurnal Fisika, 12(1), pp.9–5. Available at: https://journal.unnes.ac.id/nju/index.php/jf/index.
Nurbia and Affandi, S., 2024. Identifikasi Unsur Penyusun Sedimen Sungai Klagison Kota Sorong Papua Barat Daya Menggunakan Metode X-Ray Fluorescence (XRF). Jurnal Teknologi Lingkungan Lahan Basah, 12(1), pp.207–211.
Reiterman, P. et al., 2022. Utilization of concrete slurry waste for soil stabilization. Case Studies in Construction Materials, 16(1). Available at: https://doi.org/10.1016/j.cscm.2022.e00900.
Rivera, J.F., Orobio, A., Mejía De Gutiérrez, R. and Cristelo, N., 2020. Clayey soil stabilization using alkali-activated cementitious materials. Materiales de Construccion, 70(337), pp.1–12. Available at: https://doi.org/10.3989/mc.2020.07519.
Sampathkumar, V. et al., 2024. Strength Characteristics of Bentonite Nano Clay Stabilized with Addition of Lime, Fly Ash, and Silica Fume for Soil Environmental Sustainability. Journal of Environmental Nanotechnology, 13(2), pp.160–167.
Singh, P., Dash, H.K. and Samantaray, S., 2020. Effect of silica fume on engineering properties of expansive soil. Materials Today: Proceedings. 2020 Elsevier Ltd, pp. 5035–5040.
Sufa, I.F., Ardalli, J.K., Soedarsono and Fitriyana, L., 2022. Stabilisasi Tanah Lempung Ekspansif dengan Penambahan Bahan Silica Fume dan Limbah Gypsum. Konstelasi Ilmiah Mahasiswa Unissula 7 (KIMU 7). 19 January 2022 pp. 257–264.
Syahril et al., 2025. Improvement of Clay Properties with Calcite and Silica Fume : Shear and Unconfined Compressive Strength Focus. , 52(1). Available at: https://doi.org/10.55463/issn.1674-2974.52.1.5.
Umar, I.H., Lin, H. and Ibrahim, A.S., 2023. Laboratory Testing and Analysis of Clay Soil Stabilization Using Waste Marble Powder. Applied Sciences (Switzerland), 13(16). Available at: https://doi.org/10.3390/app13169274.
Wang, X. et al., 2020. Investigation of silica fume as foam cell stabilizer for foamed concrete. Construction and Building Materials, 237. Available at: https://doi.org/10.1016/j.conbuildmat.2019.117514.
Wardoyo et al., 2019. Atlas Sebaran Tanah Lunak Indonesia,
Xing, Y. et al., 2022. Evaluation of 20 Elements in Soils and Sediments by ED-XRF of Monochromatic Excitation. Metals, 12(11). Available at: https://doi.org/10.3390/ met12111798.
Yaniam, Y., Kalita, A., Tashi, K. and Perme, T., 2024. A review on Comparative study of using Silica Fume and Areca Fiber on Soil Stabilization. IOP Conference Series: Earth and Environmental Science, 1365(1). Available at: https://iopscience.iop.org/article/10.1088/1755-1315/1365/1/012002.
Zaini, M.S.I. and Hasan, M., 2023. Effectiveness of Silica Fume Eggshell Ash and Lime Use on the Properties of Kaolinitic Clay. International Journal of Engineering and Technology Innovation, 13(4).
Zhang, J., Pei, X., Zhang, G. and Wei, L., 2023. Experimental studies on mechanical and expansion characteristics of cement-stabilized saline soil reinforced with activated silica fume. Case Studies in Construction Materials, 19.
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