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All Journal Media Komunikasi Dunia Ilmu Sipil (MoDuluS)
Wahyuni, Yayu Sri
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Civil Engineering, Building, Construction & Architecture Transportation

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Identifikasi Keberadaan Air Tanah Menggunakan Metode Geolistrik di Desa Wolonmaget Nusa Tenggara Timur wahyuni, yayu sri; Priambodo, Sebastianus
Media Komunikasi Dunia Ilmu Sipil (MoDuluS) Vol 6 No 2 (2024): Desember 2024
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/modulus.v6i2.6076

Abstract

This research aims to present a comprehensive overview of the distribution of rock layers and inform the presence of rock layers that function as aquifers (water-carrying layers) in the Wolonmaget Village area, Wolonmaget Sub-district, Alok Barat District, Sikka Regency, East Nusa Tenggara, using the method of geolectric. This research type is field research (in situ test) and uses quantitative data by directly collecting data or test samples in the field at 3 (three) observation points: GL1, GL2, and GL3. This study result show that the area being investigated through geoelectric estimation has provided a description of the rock layer conditions, both vertically and laterally. The hydrological conditions in the study area are included in a local productive aquifer system with rocks that are expected to act as aquifers, specifically Tuff Sand. Based on the geoelectric investigation, the aquifer layers identified are: GL.01 at a depth of 73.66-200.000 meters with a thickness of 138.36 meters; GL.02 at a depth of 61.64-200.000 meters with a thickness of 138.36 meters; GL.03 at a depth of 61.22-2000 meters with a thickness of 138.78 meters.
Pemanfaatan Metode Geolistrik Resistivitas untuk Identifikasi Kondisi Tanah pada Perencanaan Jalur Perpipaan Bawah Tanah Wahyuni, Yayu Sri; Irchamul K., Ach. Nur
Media Komunikasi Dunia Ilmu Sipil (MoDuluS) Vol. 7 No. 1 (2025): Juni 2025
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/modulus.v7i1.6804

Abstract

The diversity of physical and chemical properties of subsurface layers makes geotechnical information essential in the early stages of construction planning, particularly for underground works such as pipeline routes. The heterogeneity of soil conditions can pose technical risks if not properly anticipated. The resistivity geoelectrical method is a non-destructive investigation technique that provides a depiction of subsurface resistivity distribution, helping to effectively and efficiently identify geological characteristics and soil structure. This study aims to examine the application of the resistivity geoelectrical method in identifying soil conditions as a technical basis for planning underground pipeline routes in Semarang City, Central Java. The survey was conducted at 24 observation points (GL 01–GL 24) using a quantitative approach and field experiment method. Data collection was carried out through direct measurements using specific electrode configurations to obtain resistivity values at each observation point. The interpretation results show variations in resistivity values that reflect differences in subsurface materials, such as clay, sand, and hard rock layers. These findings are used to assess excavation difficulty, potential landslides, and the likelihood of groundwater presence along the planned pipeline route. Thus, the use of the resistivity geoelectrical method has proven to provide detailed spatial information and supports safer and more efficient underground pipeline construction planning.
Co-Authors Irchamul K., Ach. Nur Priambodo, Sebastianus