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All Journal Transformasi: Jurnal Pengabdian Masyarakat JGE (Jurnal Geofisika Eksplorasi) Jurnal IPTEK JOURNAL ONLINE OF PHYSICS KURVATEK
Ritonga, Magdalena
Jambi University
Religion Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Physics Social Sciences

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ELECTRICAL RESISTIVITY-BASED SUBSURFACE CHARACTERIZATION AND GEOTECHNICAL CORRELATION FOR LANDFILL SITE INVESTIGATION IN BULAKAN, CILEGON, BANTEN Zelandi, Muhammad; Tadersi, Risnaliyah Nuriil; Kirana, Febiyora Chandra; Siregar, Anggi Deliana; Ritonga, D.M. Magdalena
JOURNAL ONLINE OF PHYSICS Vol. 11 No. 3 (2026): JOP (Journal Online of Physics) Vol 11 No 3
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v11i3.55250

Abstract

Landfill infrastructure development requires comprehensive subsurface characterization to ensure foundation stability and long-term environmental safety. This study applies Electrical Resistivity Tomography (ERT) using the Wenner electrode configuration along five survey lines (400 m length, 10 m electrode spacing) as the primary characterization method, integrated with geotechnical borehole drilling, Standard Penetration Tests (SPT), and groundwater observations at four boreholes of 10–20 m depth, to evaluate the suitability of Bukit Bulakan, Cilegon, Banten Province for landfill development. Inversion of 2D resistivity sections identifies three principal lithological units: Clayey Sand (0–150 Ω·m, SPT-N 10–36), Silty Sand (150–200 Ω·m, SPT-N 22–50), and Sandstone (200–1,300 Ω·m, SPT-N >50). Resistivity-to-SPT-N correlation demonstrates a consistent positive relationship in which increasing resistivity corresponds to increasing lithological compaction. Weak zones (47–73 Ω·m) identified along three survey lines indicate fault or fracture features that represent potential leachate migration pathways. The Sandstone layer at depths exceeding 10–15 m constitutes the most suitable foundation for landfill construction, while weak zones require targeted mitigation, including geomembrane installation and periodic ERT monitoring. This study confirms that integrating ERT with conventional geotechnical investigation provides substantially more comprehensive spatial subsurface characterization than borehole-only approaches in heterogeneous volcanic geological environments.
Co-Authors Alkaf, Muhammad Rhezi Andrea Hasbullah Anggi Deliana Siregar Anggi Deliana Siregar Annura Rizky, Shazkya Bagus Adhitya Deliana S, Anggi Deliana Siregar, Anggi Febriansanu, Dicko Rizky Hari Wiki Utama Hertanti Kusuma Wardani Juventa, Juventa Kirana, Febiyora Chandra Kurniantoro, Eko Lenny Marlinda Misnawati Misnawati Misnawati Muhammad Zelandi Ngatijo Ngatijo Nugroho, Nanda Eko Nuriil Tadersi, Risnaliyah NURUL AZIZAH Prayoga, Tobi rarasati, niken Said, Yulia Morsa Shazkya Annura Rizky Sinabutar, Regita L G Siregar, Anggi Deliana Siregar, Anggi Delliana Tobi Prayoga Yulia Morsa Said