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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Teknik ITS IPTEK Journal of Proceedings Series Journal of Engineering and Technological Sciences Civil Engineering Dimension Jurnal Aplikasi Teknik Sipil Jurnal Transportasi: Sistem, Material, dan Infrastruktur Jurnal Intake : Jurnal Penelitian Ilmu Teknik dan Terapan Journal of Infrastructure and Facility Asset Management Indonesian Geotechnical Journal Riwayat: Educational Journal of History and Humanities
Lastiasih, Yudhi
Civil Engineering Department, Faculty Of Civil Engineering And Planning, Institut Teknologi Sepuluh Nopember
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Library & Information Science Mathematics Mechanical Engineering Social Sciences Transportation

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Journal : Journal of Infrastructure and Facility Asset Management

 1 
Comparison of Embankment Reinforcement Requirements with Geotextile on Soft Soil with 2D and 3D Slope Stability Analysis Methods Nur ‘ Arfiati Shoffiana; Yudhi Lastiasih; Trihanyndio Rendy Satrya
Journal of Infrastructure & Facility Asset Management Vol 4, No 2 (2022): Journal of Infrastructure & Facility Asset Management
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/jifam.v4i2.14369

Abstract

Slope stability analysis is very important in slope design so it can manage and maintain the infrastructure assets. If the slope is unstable, it can damage the infrastructure around the slope. The method commonly used in slope stability analysis is 2D modeling which assumes the length of the landslide area is not limited or continuous. In fact, landslides that occur in the field are limited and not continuous, so 3D modeling is more suitable than 2D modeling. 3D slope stability analysis has been developed by various researchers. Most of the results of previous studies stated that the 3D and 2D factor of safety ratio was more than one for cohesive soils and less than one for non-cohesive soils. This safety factor affects the amount of reinforcement needed. Differences in 2D and 3D safety factors will cause differences in the amount of reinforcement needed. Therefore, this study was conducted to determine the differences in the 2D and 3D slope stability analysis result. Slope stability analysis was carried out using LEM, where the 2D slope stability used the Fellenius method while the 3D slope stability used the Hovland method. Calculate the required reinforcement amount using geotextiles with Tult = 250 kN/m. The results obtained from this study are the 2D safety factor is smaller than the 3D safety factor. The 3D and 2D safety factor ratios range from 1.09 – 1.397. While the amount of reinforcement required in the 3D analysis is less than in the 2D analysis with the ratio of 3D and 2D reinforcement requirements ranging from 0.5 to 0.955 depending on the width and height of the embankment.
Geotechnical Mapping for Soil Physical and Mechanical Parameters and Hard Soil Depth in Badung Regency Zefira Wisna Maulidha; Trihanyndio Rendy Satrya; Yudhi Lastiasih
Journal of Infrastructure & Facility Asset Management Vol 4, No 2 (2022): Journal of Infrastructure & Facility Asset Management
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/jifam.v4i2.14371

Abstract

The infrastructure is important for the great life of a region and most of the country. Therefore, infrastructure  must be always in proper condition in its functionality. Furthermore, it must follow the main principle which is infrastructure asset management. In this case, geotechnical mapping is also related to the principles of Infrastructure Asset Management in planning, designing, and feasibility studies of an infrastructure project in Badung Regency, hence the infrastructure projects are better prepared. The research methods include collecting soil investigation data, processing soil investigation data, describing the results of soil investigation data with mapping tools, and geotechnical zoning with statistical analysis. The results obtain geotechnical map of Badung Regency in 2 and 3-dimensional form. The 2D results in the form of a hard soil depth map can be concluded that South Kuta District has a variation depth of 0.4 – 15 meters, North Kuta District has a variation depth of 1.5 – 5 meters, Kuta District has a variation depth of 1.5 – 10 meters, Mengwi District has a variation depth of 1.5 – 10 meters, Abiansemal District has a variation depth of 5-15 meters, Petang District has a variation depth of 5-22 meters. The 3D Zone 1 lithology map can be concluded that Zone 1 area covered with hard soil depth around 5 – 10 meter is dominated by sandy silt, silty sand, sand and a little clayey silt. That area covered with hard soil depth about 1.5 – 5 meter is dominated by clay, clayey silt, sandy silt, silty sand and sand with heterogeneous distribution. The Zone 1 area is dominated by the specific volume saturated value (γsat) range of 1.5 – 2.0 t/m3. The values > 2.0 t / m3 is found in Sading area with hard soil depth of 5-10 meters. The Zone 1 area is dominated by the range of N-SPT values = 0 - 30. The N-SPT values > 30 are found in Sading area with hard soil depth 5-10 meters.
Co-Authors Adrian Hartanto Ali Kurniawan Ngunaidi Anambi Mono Yudianto Apriana Hanggara Dewi FX Toha Herman Wahyudi I Gede Ngurah Arya Yudistira Indra Djati Sidi Indra Djati Sidi Indra Giri Angga Kusuma Indrasurya B. Mochtar Indrasurya B. Mochtar Indrasurya B. Mochtar Indrasurya B. Mochtar Indrasurya B. Mochtar Indrasurya B. Mochtar Indrasurya Budisatria Mochtar Indrasurya Mochtar Isti Qomariyah Izzuddin Ismawanto Kautsar Rizki Nashrullah Lalu Arpi Wartoyo Masyhur Irsyam Moch. Alfian Putra Adi MUHAMMAD ILHAM GUMILANG SYAFEI Muhammad Ivan Adi Perdana Muhammad Ivan Adi Perdana Nasya, Farah Noor Endah Mochtar, Noor Endah Nur 'Arfiati Shoffiana Nur ‘ Arfiati Shoffiana Peri Joni Putu Tantri K. Sari Putu Tantri KSari Putu Tantri Kumala Sari Rakhman Taufik Rakhman Taufik Rewin Alif Bagus Wicaksono Riky Dwi Prasetyo Rohmahillah Aviskanasya Septiandri Savira Amelia Ramadhan Sugiarto Sugiarto Suwarno Suwarno Trihanyndio Rendy S, Trihanyndio Rendy Tsasca Dewi Arsyia Asyiffa Yudha Pratama Narra Putra Zefira Wisna Maulidha