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All Journal Journal of Geoscience, Engineering, Environment, and Technology Jurnal Penelitian Pendidikan IPA (JPPIPA) EnviroScienteae JRST (Jurnal Riset Sains dan Teknologi) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Jambura Geoscience Review J SIG (Jurnal Sains Informasi Geografi) J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Jurnal Inovasi Pengabdian Masyarakat Pendidikan Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Journal of Geoscience Engineering and Energy (JOGEE) Journal of Earth Energy Science, Engineering, and Technology Geographica: Science and Education Journal
Ronal Hutagalung
Gorontalo State University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Journal : Geographica: Science and Education Journal

 1 
STABILITY ANALYSIS OF SLOPE ON TRANS SULAWESI ROAD, PONTOLO VILLAGE, MANANGGU SUB-DISTRICT, BOALEMO DISTRICT, GORONTALO PROVINCE Indriani Indriani; Sri Maryati; Ronald Hutagalung
Geographica: Science and Education Journal Vol 4, No 1 (2022): June
Publisher : USN Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (719.731 KB) | DOI: 10.31327/gsej.v4i1.1792

Abstract

The research location is in Pontolo Village, Mananggu Sub-district, Boalemo District, Gorontalo Province. The research location has rock slopes with a discontinuity area in the form of fractures in the rock body, which is a factor causing landslides. The research aims to determine geological conditions, rock mass quality, types of potential landslides, and recommendations for slope stability. The methods used are direct field observation, Scanline Mapping, Rock mass Rating (RMR), kinematics analysis, and Slope Mass Rating (SMR). The results of the geomorphological research of the research area are units of lava flow plains and units of intrusive hills. The lithology of the research area is in the form of granodiorite units and porphyry dacite units, while the geological structure is in the form of joints. Scanline mapping is carried out in 4 segments: segment 1, segment 2, segment 3 and segment 4. The rock mass class consists of 2 classes, a good class and a fair class. Types of landslides consist of wedge sliding and toppling sliding. SMR consists of 2 classes, stable and unstable, the results of observations that unstable slopes need to be handled in slope reinforcement.
LANDSLIDE SUSCEPTIBILITY ZONATION, KABILA BONE SUB-DISTRICT, BONE BOLANGO DISTRICT, GORONTALO PROVINCE I Gede Sindu Pratama; Sri Maryati; Ronal Hutagalung
Geographica: Science and Education Journal Vol 3, No 2 (2021): December
Publisher : USN Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (714.798 KB) | DOI: 10.31327/gsej.v3i2.1612

Abstract

The research area is administratively located in the Kabila Bone Sub-district, Bone Bolango District, Gorontalo Province which has an area of 143,51 km2. The purpose of the research is determine landslide susceptibility zonation of Kabila Bone  Sub-district , Bone Bolango District, Gorontalo Province. The method used in this research is geological survey method and analysis of geographic information system. The parameters used refers to Peraturan Menteri Pekerjaan Umum No. 22/PRT/M/2007, which includes of slope, soil condition, lithology, rainfall, slope water system, seismicity, and vegetation. The result of research show that Kabila Bone Sub-district consists of a zone with a low level of  susceptibility which has an area of 1258,76 ha, a zone with a medium level of  susceptibility which has an area of 4026,90 ha, and a zone with a high level of  susceptibility which has an area of 502,03 ha. Zones that have a high level of  susceptibility are distributed in several villages, namely Botubarani Village with an area of 117,92 ha, Huangobotu Village with an area of 89,35 ha, Bintalahe Village with an area of 64,22 ha, Oluhuta Village with an area of 119,98 ha, and Olele Village with an are of 104,01 ha.
Co-Authors Aisyah Alya H Panai Anggun Farwati M Abdullah chisilia maloho Dewi Rahmawaty Isa Djamal Adi Nugroho Uno I Gede Sindu Pratama Indriani Indriani Intan Noviantari Manyoe Ivan Taslim M. Iqbal Liayong Pratama Mohamad Dio Pangulu Muh Kasim Muh Nasrullah Al Fauzan Muhammad Kasim Nana Juhriana Yusuf Nani Mardiani Novariani Payuyu Noviar Akase Oka Arin Ghaneswara Permana, Aang Panji Reskiyanto Fauzi Duwingik Rini Rahmatia S Sri Maryati Sri Maryati Sunarty Suly Eraku Yayu Indriati Arifin