Ditemukan 5 dokumen yang sesuai dengan query
Salma Aqila Husna
"Tanah longsor translasi dianggap lebih jarang terjadi daripada tanah longsor rotasi. Akibatnya, tidak banyak publikasi tentang masalah ini. Menurut penelitian sebelumnya, salah satu program perangkat lunak yang digunakan selama penelitian mengalami masalah. Penelitian ini menguji kompatibilitas dua program perangkat lunak menggunakan dua cara berbeda untuk menghitung nilai faktor keamanan. Seperti untuk Metode Elemen Hingga, MIDAS GTS NX, dan untuk Metode Kesetimbangan Batas, GeoSlope. Fokus hanya pada aspek geometris longsor, seperti sudut kemiringan, elevasi air, dan rasio ketebalan tanah terhadap tinggi lereng. Selanjutnya, penelitian membedakan antara dua jenis tanah. Temuan utama studi ini menunjukkan bahwa masalah utama bukan pada input perangkat lunak. Sebaliknya, kedua program tidak dikembangkan untuk menghitung faktor keamanan slide translasi. Hal ini menunjukkan bahwa hasil faktor keamanan mendekati perhitungan manual ketika ilustrasi bidang keruntuhan kritis menunjukkan geseran rotasi. Rekomendasi dari penelitian ini dalam menentukan faktor keamanan longsor translasi adalah dengan Metode Limit Equilibrium menggunakan software GeoSlope karena hasil dari GeoSlope lebih akurat dibandingkan dari MIDAS GTS NX.
Translational landslides are thought to be more uncommon than rotational landslides. As a result, there are not many publications on the subject. According to previous studies, one of the software programs employed throughout the study encountered an issue. This research examined the compatibility of two software programs using two distinct ways to calculate the safety factor value. Such as for the Finite Element Method, MIDAS GTS NX, and for the Limit Equilibrium Method, GeoSlope. Focus solely on the geometrical aspects of the landslide, such as the slope angle, water elevation, and the ratio of soil thickness to slope height. Furthermore, the research distinguishes between two types of soil. The study's primary finding shows that the main issue was not with the software's input. Instead, both programs were not developed to calculate the safety factor of a translational slide. It shows that the result of the safety factor is close to the manual calculation when the illustration of the critical failure plane shows a rotational slide. The recommendation from this study in determining the factor of safety of a translational landslide is by Limit Equilibrium Method using the GeoSlope software since the result from GeoSlope is more accurate than from MIDAS GTS NX. "
Depok: Fakultas Teknik Universitas Indonesia, 2022
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"Slope failure at river bank often occur in the rainy season. A study of characteristics of the location is
needed in order to find the right way to prevent it. This study will calculate the safety factor value, which
will vary depends on the surroundings factor. By the end of the study, we will get the most influencing
factor that trigger the failure.
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Jurnal Teknologi, 19 (3) September 2005 : 179-184, 2005
JUTE-19-3-Sep2005-179
Artikel Jurnal Universitas Indonesia Library
Muhammad Thariq Triezaputera
"Permintaan batubara yang meningkat membuat negara produsen batubara dituntut untuk memproduksi lebih banyak. Salah satu hal yang perlu diperhatikan dalam produksi batubara ialah keselamatan dan efisiensi, namun dalam kegiatannya sering ditemukan masalah atau kendala. Masalah yang sering dihadapi yaitu masalah kestabilan lereng. Lereng dengan keadaan tidak stabil dapat berpotensi longsor. Longsor pada lereng dapat mengakibatkan tidak tercapainya target produksi yang direncanakan, serta membahayakan keselamatan pekerja. Musim penghujan berpengaruh pada kestabilan lereng, karena curah hujan tinggi dapat memicu terjadi longsor. Kondisi daerah penelitian sebelumnya telah mengalami longsor, kemudian dilakukan perlakuan geoteknik berupa pemadatan pada lereng. Setelah pemadatan, belum dilakukan suatu kajian kestabilan lereng di area tersebut. Penelitian ini bertujuan untuk menganalisis kondisi kestabilan lereng, hubungan ketinggian muka air tanah (MAT), dan saran rekomendasi desain lereng stabil di daerah penelitian. Penelitian ini dilakukan dengan tahap pengumpulan data meliputi pengambilan sampel tanah, pengukuran geometri, karakterisasi geoteknik, dan pengumpulan data sekunder. Data tersebut kemudian digunakan sebagai parameter dalam analisis kestabilan lereng menggunakan bantuan software Geostudio 2021. Metode yang digunakan yaitu analisis kesetimbangan batas dengan metode Morgenstern-Price, Bishop, dan Janbu. Hasil analisa kestabilan lereng menggunakan metode Morgenstern-Price dan Bishop menunjukkan kondisi stabil pada lereng A, B, dan C (FK>1,3). Hasil perhitungan menggunakan metode Janbu menunjukan kondisi stabil hanya pada lereng A, sedangkan lereng B dan C dalam keadaan kritis (1,3
The increasing demand for coal has forced coal-producing countries to produce more. One of the things that need to be considered in coal production is safety and efficiency, but in its activities problems or obstacles are often found. The problem that is often encountered is the problem of slope stability. Slopes with unstable conditions have the potential for landslides. Landslides on slopes can result in not achieving planned production targets, as well as endangering worker safety. The rainy season affects the stability of the slopes, because high rainfall can trigger landslides. The condition of the study area had previously experienced landslides, then geotechnical treatment was carried out in the form of compaction on the slopes. After compaction, a slope stability study has not been carried out in the area. This study aims to analyze the stability of the slopes, the relationship between the groundwater level, and recommendations for stable slope designs in the study area. This research was conducted with data collection stages including soil sampling, geometry measurements, geotechnical characterization, and secondary data collection. The data is then used as a parameter in the analysis of slope stability using the Geostudio 2021 software. The method used is boundary equilibrium analysis using the Morgenstern – Price, Bishop, and Janbu method. The results of the analysis of slope stability using the Morgenstern-Price and Bishop methods show stable conditions on slopes A, B and C (FoS> 1.3). The results of calculations using the Janbu method show stable conditions only on slope A, while slopes B and C are in critical condition (1.3"
Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2023
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