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All Journal JPTK: Jurnal Pendidikan Teknologi dan Kejuruan Proceedings ACES (Annual Civil Engineering Seminar) jurnal niara Jurnal Teknik International Journal of Artificial Intelligence Research Dinamisia: Jurnal Pengabdian Kepada Masyarakat SIKLUS: Jurnal Teknik Sipil Jurnal Rekayasa Konstruksi Mekanika Sipil Eksakta : Berkala Ilmiah Bidang MIPA JURNAL TEKNIK SIPIL UNAYA Mattawang: Jurnal Pengabdian Masyarakat International Journal of Engineering, Science and Information Technology Journal of Infrastructure and Civil Engineering Jurnal Rivet: Riset dan Invensi Teknologi SAINSTEK Ceddi Journal of Information System and Technology (JST) Jurnal Ilmiah Pendidikan dan Keislaman Fleksibel: Jurnal Pengabdian Kepada Masyarakat JURNAL KARYA ILMIAH MULTIDISIPLIN BISMA: Bimbingan Swadaya Masyarakat
Lusi Dwi Putri, Lusi Dwi
Department Of Civil Engineering, Faculty Of Engineering Universitas Lancang Kuning Indonesia
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Slope Stability Analysis Using GeoStudio-Based Finite Element Method Lusi Dwi Putri; Violla De Boyosa
Jurnal Pendidikan Teknologi dan Kejuruan Vol. 31 No. 2 (2025): (October)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jptk.v31i2.96604

Abstract

The landslide disaster in Nagari Aia Dingin, Lembah Gumanti District, Solok Regency is strongly associated with anthropogenic and natural factors, particularly mining activities and prolonged high-intensity rainfall. These conditions have significantly altered slope geometry and reduced soil stability. This study aims to evaluate soil characteristics, determine the factor of safety, and propose appropriate mitigation strategies for slope failure. A quantitative approach was adopted through laboratory testing and numerical simulation using GeoStudio. The results indicate that the soil is classified as silty sand with poor gradation. The calculated factor of safety values under slope variations of 30°, 45°, and 60° are consistently below 1.5, indicating unstable slope conditions. Therefore, the study highlights the urgent need for slope stabilization measures to mitigate future landslide risks.
Decision Support System for Selecting the Best Bus Destination for Toraja using the Weighted Product Method Erwin Gatot Amiruddin; Kamaruddin; Asnimar; Lusi Dwi Putri; Hiknatius Rianto Madao
Ceddi Journal of Information System and Technology Vol. 2 No. 1 (2023): April
Publisher : Yayasan Cendekiawan Inovasi Digital Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56134/jst.v2i1.34

Abstract

This research aims to develop a Decision Support System (DSS) that can assist in selecting the best bus for tourism purposes in Toraja. The objective of this research is to facilitate the decision-making process for prospective tourists who want to use buses as their means of transportation during their visit to Toraja. The method employed in this research is the Weighted Product (WP) method. This method was chosen due to its ability to handle multiple criteria, enabling selection based on various relevant factors such as price, service quality, bus capacity, operational schedule, and level of comfort. Furthermore, the collected data will be input into the developed DSS using the WP method. The DSS will calculate relative scores for each bus based on the predetermined criteria weights. The results of this research are expected to provide objective and accurate recommendations for selecting the best bus. These recommendations can serve as a guide for prospective tourists in choosing a bus that suits their needs and preferences. Additionally, this research can also provide valuable insights for bus operators in improving service quality and customer satisfaction.
Performance of Soil Subgrade Improvement using Waste Material Coconut Shell Charcoal Lusi Dwi Putri; Cut Rahmawati; Jawad Ahmad
International Journal of Engineering, Science and Information Technology Vol 5, No 3 (2025)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v5i3.1006

Abstract

This study investigates using Coconut Shell Charcoal (ABK) as a stabilizing agent for clayey soils, aiming to enhance their suitability for road subgrade applications. The primary objective is to evaluate the effect of varying ABK concentrations (0%, 5%, 10%, and 15%) on the geotechnical properties of clay soil, particularly its compaction and load-bearing capacity. Laboratory tests, including compaction and California Bearing Ratio (CBR), were conducted to assess the influence of ABK on soil strength and stability. The results reveal that adding ABK significantly improves the soil's compaction characteristics and CBR values. The highest improvement was observed at 15% ABK, where the CBR value reached 22.22%, well above the minimum threshold required for road subgrade materials. There is a good influence of coconut shell charcoal on increasing the CBR value of clay soil subgrade at each additional material. The R value of 0.963 obtained shows a very high correlation. The addition of coconut shell charcoal to the subgrade soil has a positive effect on the California Bearing Ratio value which increases in each variation. The study demonstrates that ABK, a sustainable agricultural waste product, provides an affordable and effective solution for enhancing the strength and stability of clay soils, making it a promising alternative to traditional stabilizers such as lime and cement. The findings have significant implications for road construction in regions with expansive and weak soils, offering a cost-effective and environmentally friendly method for soil stabilization. This research contributes to the growing body of knowledge on the use of agricultural waste in infrastructure development, emphasizing the potential of ABK in providing sustainable solutions for soil improvement in civil engineering applications.
Co-Authors Abdul Hakam Alfian Saleh, Alfian Amri Amin Amri Amri Amsal Manogu Sianturi Amsal Anas Puri, Anas Apriliana Hidayati Nurdin Asnimar atmam atmam, atmam Bayu Bastanta Tarigan Cut Rahmawati Darwis, Muhajir Dewi, Sri Hartati Erwin Gatot Amiruddin Fitridawati Fitridawati Fitridawati Soehardi, Fitridawati Harsini Harsini Hendri Rahmat, Hendri Hiknatius Rianto Madao Ichsan Syahputra Ikhlas Zai Ilyas, Yussy Afrilia Imbardi, Imbardi Jawad Ahmad Kamaruddin Khoirul Anwar Makki, Mustaqim Marhayu Saadatun Nubuwah Marta Dinata Marta Dinata Meliyana Meliyana Muhammad Khalis Muhammad Usman Tariq Muhammad Zardi Musema, Virananda Oktaviana Putri Dini Meutia Rahman, Rismuhad Rendy Thamrin Repi Repi Sri Roserdevi Nasution, Sri Roserdevi Srihandayani, Susy Sugeng Wiyono Tety Sriana Violla De Boyosa Virgo Trisep Haris Virgo Trisep Haris, Virgo Trisep Yanti, Gusneli Yossyafra Yossyafra Yuni Masrifatin, Yuni