Nilai Resistivitas dan Durabilitas Batu Lempung dan Batu Pasir pada Proyek Pembangunan Bendungan Jragung
Abstract
Each type of rock has different resistivity values as well as durability. Continuous geoelectrical data is highly beneficial for estimating the distribution of rocks based on their resistivity values. The purpose of this study is to observe the resistivity patterns of each rock unit, both subsurface and exposed in the field, where each rock unit has specific durability values. The geoelectrical survey was conducted using the Dipole-Dipole and Wenner-Schlumberger methods with the Multichannel Resistivity MAE X 612 EM+ instrument. A case study was carried out at one of the excavation sites at Jragung Dam, with lithology consisting of sandstone and claystone of varying thicknesses. Claystone was identified as a weaker rock with lower durability compared to sandstone. The durability of claystone ranges from 18% to 60%, while the durability of sandstone exceeds 80%. Based on geoelectrical measurements using the Dipole-Dipole and Wenner-Schlumberger methods, as well as data processing with ERT LAB and Res2DINV software, sandstone generally has a resistivity of more than 18 Ohm.m, while claystone has a resistivity of 0–18 Ohm.m. It was observed that the resistivity values of claystone and sandstone are proportional to the durability of the rocks. The better the rock durability, the higher the resistivity value.
Keywords
Full Text:
PDFReferences
Alatas, I. M. (2017). Pengaruh Proses Pelapukan Clay Shale terhadap Perubahan Parameter Rasio Disintegritas (DR). Jurnal Teknik Sipil ITB, 24(1), 77–82. https://doi.org/10.5614/jts.2017.24.1.9
Alatas, I. M., Kamaruddin, S. A., Nazir, R., Irsyam, M., & Himawan, A. (2015). Shear strength degradation of Semarang Bawen clay shale due to weathering process. Jurnal Teknologi, 77(11), 109–118. https://doi.org/10.11113/jt.v77.6429
Arisanto, Pranu., Rahma, Maulida.,Yasminasarie, Elia Salsabila. (2023). Metode Konstruksi Jetty Untuk Melindungi Muara Sungai, Studi Kasus Sungai Bogowonto. Jurnal Talenta Sipil,Vol 6, No 1 (2023). http://dx.doi.org/10.33087/talentasipil.v6i1.192
Asif, A. R., Ali, S. S., Noreen, N., Ahmed, W., Khan, S., Khan, M. Y., & Waseem, M. (2016). Correlation of electrical resistivity of soil with geotechnical engineering parameters at Wattar area district Nowshera, Khyber Pakhtunkhwa, Pakistan. Journal of Himalayan Earth Sciences, 49(1), 124–130.
Erguler, Z. A. (2009). Quantification of Fragment Size Distribution of Clay-Bearing Rocks after Slake Durability Testing. XV(2), 81–89.
Oktaviani, R., Rahardjo, P. P., & Sadisun, I. A. (2018). Landslides induced by slaking of geomaterial. MATEC Web of Conferences, 229, 1–6. https://doi.org/10.1051/matecconf/201822903011
Park, S. G., Shin, S. W., Lee, D. K., Kim, C. R., & Son, J. S. (2016). Relationship between electrical resistivity and physical properties of rocks. 22nd European Meeting of Environmental and Engineering Geophysics, Near Surface Geoscience 2016, 1–6. https://doi.org/10.3997/2214-4609.201602101
Sadisun, I. A., Bandono, B., Shimada, H., Ichinose, M., & Matsui, K. (2010). Physical Disintegration Characterization of Mudrocks Subjected to Slaking Exposure and Immersion Tests. Indonesian Journal on Geoscience, 5(4), 219–225. https://doi.org/10.17014/ijog.v5i4.105
Sadisun, I. A., Shimada, H., Ichinose, M., & Matsui, K. (2002). Evaluation of Physical Deterioration of Slake-Prone Rock Subjected to Static Slaking Test. Rock Mechanics, November, 1–6. https://doi.org/10.13140/2.1.1003.3280
Saidah, H. D., Suryo, E. A., & Suroso. (2015). Pengaruh Kadar Air Tanah Lempung Terhadap Nilai Resistivitas/Tahanan Jenis pada Model Fisik dengan Metode ERT (Electrical Resistivity Tomography). Jurnal Mahasiswa Jurusan Teknik Sipil, Universitas Brawijaya, 1(2), pp-227.
Sasangka, D. J., Arisanto, P., Dhanardono, B., Puji, D., & Apriyoga, W. (2024). Pola Resistivitas Tanah Ekspansif Pada Musim Kering dan Awal Musim Hujan Berdasarkan Survey Multichanel Resistivitymeter Pada Jalan Akses Proyek Bendungan Jragung.
Sasangka, D. J., Arisanto, P., Dhanardono, B., Riyanto, D. P., & Apriyoga, W. (2024). Resistivity Model of Clayshale Layers in Dry Season and Early Rainy Season Conditions Case Study of the Jragung Dam Project. Bentang : Jurnal Teoritis Dan Terapan Bidang Rekayasa Sipil, 12(2), 191–201. https://doi.org/10.33558/bentang.v12i2.9576
Sasangka, D. J., Prasetyo, W., & Ariastha, N. A. (2023). Correlation Of Cone Resistance To Soil Resitivity From The Mae X612-Em + Resistivity Meter Testing Belong To Case Study Of Public Works Polytechnic Campus Tembalang Semarang. Prosiding Asia Autralia Road Confrence 2023, 16. https://doi.org/https://doi.org/10.58674/phpji.v16i1
Telford, W. M., Geldart, L. P., & Sheriff, R. E. (1990). Applied Geophysics (2nd ed.). Cambridge University Press. https://doi.org/10.1017/CBO9781139167932
Wafi, A., Santoso, H. T., Sasangka, D. J., & Andani, R. (2022). ANALISIS STRUKTUR BAWAH PERMUKAAN TANAH DENGAN MENGGUNAKAN METODE GEOLISTRIK DAN SONDIR ( Studi Kasus : Lapangan Gate-Ball , Kampus I Politeknik Pekerjaan Umum , Semarang ). Seminar Nasional Politeknik Pekerjaan Umum Ke-2, 2.
Zhai, H., Canbulat, I., Hebblewhite, B., & Zhang, C. (2017). Review of Current Empirical Approaches for Determination of the Weak Rock Mass Properties. Procedia Engineering, 191, 908–917. https://doi.org/10.1016/j.proeng.2017.05.261
DOI: http://dx.doi.org/10.33087/talentasipil.v8i1.839
Refbacks
- There are currently no refbacks.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Jurnal Talenta Sipil, Faculty of Engineering, Batanghari University |
