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All Journal Jurnal Ilmiah Mahasiswa Teknik Kebumian Jurnal Sains dan Teknologi Reaksi Aceh International Journal of Science and Technology Jurnal Industri dan Inovasi (INVASI) PESARE: Science and Engineering Service Journal JURNAL REKAYASA KIMIA & LINGKUNGAN PESARE: Jurnal Pengabdian dan Rekayasa
Hendra Harisman
Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Public Health Transportation

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DEVELOPING AN ANDROID PROTOTYPE APPLICATION TO PREDICT ROCK FRAGMENTATION FROM BLASTING IN SURFACE MINING Hendra Harisman; Nurul Aflah; Pocut Nurul Alam; M Muchlis; Febi Mutia
Jurnal Sains dan Teknologi Reaksi Vol 24, No 01 (2026): JURNAL SAINS DAN TEKNOLOGI REAKSI
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jstr.v24i01.9313

Abstract

Blasting plays an important role in surface mining operations because it directly affects rock fragmentation, which is a key factor in optimizing mining performance. However, fragmentation prediction is commonly conducted using complex mathematical calculations on computers or laptops, making the process less practical and time-consuming. This study aims to develop an Android-based application to facilitate the prediction of blasting fragmentation results in a more efficient and accessible manner. The research employed a research and development (RD) methodology consisting of application design, development, and testing stages. The results show that the developed Android application can assist mining professionals in predicting rock fragmentation practically through smartphone devices. The application improves the efficiency and accessibility of fragmentation prediction and demonstrates the implementation of digital technology in mining practices within the Industry 4.0 era. Key words: blasting, surface mining, fragmentation prediction, mining optimization, digital technology.
Analysis of Groundwater Potential Using 1D Resistivity Method with Schlumberger Configuration to Address Water Scarcity in Meunasah Baro Village, Lhoknga District, Aceh Besar Pocut Nurul Alam; Nurul Aflah; Izzan Nur Aslam; Ramzi Adriman; Agus Hari Pramana; Muchlis; Hendra Harisman
PESARE: Jurnal Pengabdian Sains dan Rekayasa Vol. 4 No. 1: Februari 2026
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/pesare.v4i1.1177

Abstract

This community service activity focuses on identifying groundwater potential as an alternative solution to water scarcity in Meunasah Baro Village, Lhoknga District, Aceh Besar, Indonesia. The target beneficiaries were local residents who experience limited access to clean water, particularly during the dry season. The objective of this program was to provide scientific-based information on subsurface conditions to support sustainable water resource planning at the village level. A participatory and applied approach was implemented, involving local community members in site selection and field activities. The technical method used was a 1D resistivity geoelectrical survey with the Schlumberger configuration. Data were collected through field measurements and processed using inversion software to interpret subsurface lithology and groundwater characteristics. The results indicate that the subsurface layers are predominantly composed of silt and clay materials with low to moderate resistivity values. Although water-bearing layers were identified at depths of approximately 43 to 137.5 meters, the resistivity characteristics suggest that the groundwater is brackish. This condition is likely influenced by seawater intrusion due to the proximity of the study area to the coastline. No significant freshwater aquifer was identified.
Co-Authors Adriman, Ramzi Agus Hari Pramana Alisastromijoyo Alisastromijoyo Alisastromijoyo, Alisastromijoyo Anggraini, Jessica Arsianda, M Nazwa Devi Pratiwi Febi Mutia Haqul Baramsyah Hulwani, Zati Izzan Nur Aslam Izzan Nur Aslam Jessica Anggraini M Muchlis Mirna Rahmah Lubis Muchlis Muchlis Muchlis Muchlis Muchlis Mulkal Mulkal Mulkal, Mulkal Mutia, Febi Nurul Aflah Nurul Aflah Nurul Aflah Oziana, Deea Rizki Oziana, Deea Rizki Rizki Phillip Stothard Pocut Nurul Alam Pramana, Agus Hari Ramadhandi, Farhan Stothard, Phillip Teuku Raja Istiqhafar Surya