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All Journal Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Tadulako Science and Technology Journal Media Konstruksi : Jurnal Ilmiah Teknik Sipil Jurnal Riset dan Pengabdian Interdisipliner
Nunik Rezkiarti Janat
Program Studi Teknik Geologi, Jurusan Teknik Sipil, Fakultas Teknik, Universitas Tadulako
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Social Sciences Other

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Delineation of Groundwater Density Zones Using Multi-Criteria Analysis in Ngatabaru Village Area, Palu City Indra Wahyudi Betalino; Zeffitni; Nunik Rezkiarti Janat
Tadulako Science and Technology Journal Vol. 1 No. 2 (2021): Tadulako Science and Technology Journal
Publisher : LPPM Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/sciencetech.v1i2.17296

Abstract

Introduction: This research discusses the availability of groundwater in the Ngatabaru Village area. The use of groundwater, which tends to be more intensive and is not in accordance with its availability and utilization zone, ultimately has an impact on the local environment. Method: This study used the overlay method to determine the groundwater conditions in the study area. This method uses 7 parameters to determine the groundwater zone, namely lithology, hydrogeology, land cover, rainfall, slope, drainage density, and lineament density. Results and Discussion: This map produces 5 groundwater occurrence zones which show that 34.32% of the study site is an area with very low groundwater occurrence, then 37.19% is an area with low groundwater occurrence, 9.08% is an area with moderate groundwater occurrence, 12.91% is an area with high groundwater occurrence and 6.5% is an area with very high groundwater occurrence. Conclusion: Based on the analysis, Kelurahan Ngatabaru has low annual rainfall, ranging from 0 to 800 mm. The slope is steep in the east and slopes to the west, with forest land cover in the east and scrub and settlements in the west. Geologically, the area consists of schist, granite, and conglomerate lithologies, and has aquifers with high, low, and little productivity.
Edukasi Ilmu Kebumian Dan Potensi Kebencanaan Geologi Bagi Siswa SMA Negeri 1 Sarjo Janat, Nunik Rezkiarti; Fitriana, Tati; Asrafil, Asrafil; Mukaddas, Abdul; Nugroho Uno, Djamal Adi; Mulyati, Sri
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v2i4.35324

Abstract

Considering the geological complexity of Sulawesi and the limited exposure of students to basic geoscience knowledge in formal education, SMA Negeri 1 Sarjo, located in West Sulawesi and bordering Central Sulawesi, recognized the need to conduct a knowledge-sharing activity on earth science, geological resources, and geological hazards. This program invited academic experts from the Faculty of Engineering, Universitas Tadulako, to deliver educational materials tailored for high school students. The main objective was to enhance students’ understanding of geoscience concepts, introduce the diversity of geological resources, and increase awareness of geological hazards, particularly those prevalent in Sulawesi. The activity involved grade XII students through presentations, discussions, and interactive question-and-answer sessions. Students and teachers responded positively, indicating increased interest and comprehension of the topics presented. The positive feedback and appreciation expressed by the school, especially through the Vice Principal for Curriculum and Student Affairs, served as an indicator of the program’s success.
Penentuan Kestabilan Lereng Batuan Menggunakan Limit Equilibrium Method (LEM) Di Ruas Jalan Trans Palu-Kulawi Desa Salua Kabupaten Sigi I Ketut Nuarta; Nunik Rezkiarti Janat; Ahmad Imam Abdullah; Asrafil; Abdul Mukaddas
MEDIA KONSTRUKSI Vol. 9 No. 4 (2024)
Publisher : Jurusan Teknik Sipil, Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jmk.v9i4.147

Abstract

Ruas jalan Desa Salua di Kabupaten Sigi, Sulawesi Tengah, dinilai rawan longsor akibat kondisi geologi, geometri lereng, dan guncangan gempa seperti pada tahun 2018. Penelitian ini bertujuan menilai kestabilan lereng sebagai acuan perencanaan struktural guna meminimalkan risiko longsor. Interpretasi tingkat kestabilan lereng merujuk dari nilai faktor keamanan (FS) yang diperoleh dari penerapan limit equilibrium method (LEM) menggunakan kaidah Bishop. Penelitian diawali dengan identifikasi litologi lereng berupa diorit dari Formasi Batuan Terobosan. Estimasi sifat mekanika batuan dilakukan melalui kriteria Hoek-Brown, Geological Strength Index (GSI), dan uji berat isi di laboratorium untuk memperoleh parameter Mohr-Coulomb. Model lereng kemudian dianalisis dalam kondisi dinamis dengan asumsi adanya guncangan. Hasil menunjukkan nilai faktor keamanan (FS) secara deterministik sebesar 6,191 dan probabilitas kelongsoran (PF) sebesar 2,493%. Meski nilai FS menunjukkan lereng stabil (FS > 1), potensi longsor parsial tetap ada akibat pelapukan tidak merata. Riwayat longsor di lokasi membuktikan bahwa guncangan berperan signifikan, sehingga diperlukan penanganan seperti tanggul penahan, paku bumi, geotekstil, serta rekayasa geometri lereng guna meningkatkan kestabilan terhadap guncangan.
Identifikasi Tingkat Pelapukan dan Analisis Nilai Kuat Tekan Batuan pada Tambang batu di Daerah Loli Saluran, Kabupaten Donggala Nunik Rezkiarti Janat; Rini Matana; Muslimin U. Botjang
MEDIA KONSTRUKSI Vol. 10 No. 3 (2025)
Publisher : Jurusan Teknik Sipil, Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jmk.v10i3.208

Abstract

Loli Saluran yang terletak di Kabupaten Donggala, Provinsi Sulawesi Tengah, merupakan wilayah pertambangan batuan yang hasil produksinya didistribusikan ke berbagai daerah di Indonesia. Kualitas batuan di wilayah ini umumnya dinilai berdasarkan kelayakannya sebagai bahan konstruksi, terutama melalui parameter kuat tekan dan tingkat pelapukan. Penelitian ini bertujuan untuk mengidentifikasi tingkat pelapukan menggunakan klasifikasi Irfan dan Derman (1978) serta menganalisis nilai kuat tekan batuan berdasarkan hasil uji Schmidt hammer. Hasil penelitian menunjukkan adanya tiga (3) macam derajat pelapukan, yaitu derajat pelapukan II, III, dan IV. Selanjutnya dilakukan analisis hubungan antara kedua parameter tersebut. Analisis hubungan kedua parameter dilakukan dengan membuat grafik berdasarkan nilai schmidt hammer, UCS dan kelas derajat pelapukan. Berdasarkan hasil penelitian, diketahui bahwa semakin tinggi derajat pelapukan, maka nilai kuat tekan batuan cenderung semakin rendah.
Sosialisasi Mengenai Jalur Geotrek Tanjung Api Sebagai Salah Satu Situs Geowisata untuk Kelompok Sadar Wisata Desa Labuan Kabupaten Tojo Una-Una Janat, Nunik Rezkiarti; Botjing, Muslimin U.; Mu’min, Risqa P.; Fitriana, Tati; Asrafil, Asrafil; Puspita, Riska; Uno, Irianto
Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Vol 5, No 1: February 2026
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/ljpmt.v5i1.34549

Abstract

The socialization program on the Tanjung Api Geotrek Route was carried out to enhance the understanding, awareness, and capacity of the Tourism Awareness Group (Pokdarwis) of Labuan Village in managing geotourism potential based on local geological heritage. The Tanjung Api area in Tojo Una-Una Regency, Central Sulawesi, is known for its natural fire phenomenon caused by the release of flammable natural gas, giving the site unique scientific, educational, and tourism value. Using a participatory approach, the program included material presentations, interactive discussions, the introduction of geotrek route design, and field observations at several potential geosites. The results show that participants’ knowledge increased by 80–90% regarding geotourism concepts, geological resource conservation, and strategies for developing interpretive educational geotreks. Participants also demonstrated strong enthusiasm to engage in destination management and benefit from the economic opportunities offered by tourism activities. This program serves as an initial step in strengthening collaboration between the community, academia, and local government to support sustainable geotourism development. The socialization provides a foundation for achieving independent, well-directed, community-based management of the Tanjung Api geosite as part of broader geotourism development in Tojo Una-Una Regency.
Co-Authors Abdul Mukaddas Abdul Mukaddas Ahmad Imam Abdullah Asrafil Asrafil Asrafil Botjing, Muslimin U. Fitriana, Tati I Ketut Nuarta Indra Wahyudi Betalino Irianto Uno Muslimin U. Botjang Mu’min, Risqa P. Nugroho Uno, Djamal Adi Puspita, Riska Rini Matana Sri Mulyati Zeffitni Zeffitni