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Fatma Sarie
Universitas Palangka Raya
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Transportation

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IDENTIFIKASI PERUBAHAN NILAI RESISTIVITAS TANAH GAMBUT AKIBAT CAMPURAN JAMUR RHIZOPUS OLIGOSPORUS: IDENTIFICATION OF CHANGES IN PEAT SOIL RESISTIVITY VALUE DUE TO MIXTURE OF RHIZOPUS OLIGOSPORUS RIFQI HADI; Stephanus Alexsander; Fatma Sarie; Suradji Gandi; Okrobianus Hendri
Jurnal Ilmiah Teknik Sipil TRANSUKMA Vol. 5 No. 2 (2023): Jurnal Penelitian Transukma
Publisher : Program Studi Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Balikpapan

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Abstract

Telah dilakukan penelitian identifikasi perubahan nilai resistivitas tanah gambut akibat pencampuran jamur rhizopus oligosporus (10:1). Resistivitas tanah gambut diukur menggunakan metode geolistrik resistivitas konfigurasi wenner alfa. Pengambilan data dilakukan pada skala laboratorium dengan panjang kotak 4 (empat) meter dan jarak antar elektroda 10 cm. Pengukuran resistivitas tanah gambut dilakukan dengan dua tahap yaitu sebelum dan sesudah diberikan campuran jamur rhizopus oligosporus. Data resistivitas tanah gambut dipetakan dalam bentuk 2 (dua) dimensi menggunakan perangkat lunak res2dinv dengan variasi pemeraman rentang waktu dimulai dari 5 hari, 10 hari dan 15 hari. Hasil uji laboratorium pencampuran jamur rhizopus oligosporus terhadap perubahan resistivitas menunjukkan nilai resistivitas tanah gambut sebelum diberikan perlakuan berkisar 13,5-48,2 Ωm, sedangkan nilai resistivitas tanah gambut pada pemeraman 5 hari setelah diberi perlakuan berkisar 8,36-33,4 Ωm, pada rentang 10 hari pemeraman berkisar 5,18-23,3 Ωm dan pada rentang 15 hari berkisar 17,1-58,0 Ωm. Perubahan resistivitas tanah gambut yang paling signifikan terjadi pada rentang waktu 15 hari setelah pencampuran dan dengan rata-rata kesalahan iterasi 30%.   Research has been carried out to identify changes in the resistivity value of peat soil due to the mixing of the fungus Rhizopus oligosporus (10:1). The resistivity of peat soil was measured using the geoelectrical resistivity method of the Wenner alpha configuration. Data collection was carried out on a laboratory scale with a box length of 4 (four) meters and a distance between electrodes of 10 cm. Peat soil resistivity measurement was carried out in two stages, namely before and after being given a mixture of the fungus Rhizopus oligosporus. Peat soil resistivity data were mapped in 2 (two) dimensions using the res2dinv software with variations in curing time ranging from 5 days, 10 days and 15 days. The results of the laboratory test of mixing the fungus rhizopus oligosporus against changes in resistivity showed that the resistivity value of peat soil before treatment was around 13.5-48.2 Ωm, while the resistivity value of peat soil at 5 days curing after being treated ranged from 8.36-33.4 Ωm, in the range of 10 days of curing ranged from 5.18-23.3 Ωm and in the range of 15 days it ranged from 17.1 to 58.0 Ωm. The most significant change in resistivity of peat soil occurred in the 15 days after mixing and with an average iteration error of 30%.
PENGARUH PENAMBAHAN BATU ZEOLIT DAN SEMEN PORTLAND TERHADAP DAYA DUKUNG TANAH LEMPUNG: THE EFFECT OF ADDITIONAL STONE ZEOLITE AND PORTLAND CEMENT ON THE CARRYING CAPACITY OF CLAY ZULFANU HADI; Suradji Gandi; Fatma Sarie
Jurnal Ilmiah Teknik Sipil TRANSUKMA Vol. 5 No. 2 (2023): Jurnal Penelitian Transukma
Publisher : Program Studi Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Balikpapan

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Abstract

Tanah adalah dasar dari sebuah struktur bangunan. Namun tidak semua tanah dalam suatu bangunan dapat digunakan. Sifat yang tidak baik dari tanah dapat mengakibatkan bangunan yang didirikan mengalami kerusakan. Hal tersebut sangat tidak diinginkan dalam suatu kontruksi. Maka dari itu, suatu kondisi tanah tertentu mempengaruhi kuat atau tidaknya suatu konstruksi. Pada penelitian ini akan digunakan tanah lempung pada lokasi daerah Desa samba kahayan Kecamatan Katingan Tengah, Kabupaten Katingan, Kalimantan Tengah. Penelitian ini diharapkan dapat menjadi salah satu upaya dalam meningkatkan daya dukung tanah. Berdasarkan pengujian yang telah dilakukan didapatkan campuran batu zeolite dan semen portland yang dicampurkan dengan tanah asli berdampak pada meningkatnya nilai daya dukung tanah yang didapatkan dari hubungan antara nilai DDT dengan CBRrencana.  Daya dukung tanah asli adalah sebesar 3,62 dengan penambahan tanah asli, batu zeolite dan semen portland di pemeraman 3 hari menjadi 4,43, 4,85 dan 5,08, dengan nilai tertinggi daya dukung tanah dasar terbesar di pemeraman 3 hari terjadi di penambahan batu zeolite dan semen portland 10% sebesar 5,08 dengan persentase kenaikan dari daya dukung tanah asli menjadi 40,3%. Sedangkan untuk pemeraman 7 hari menjadi 4,54, 5,01 dan 5,25. Nilai daya dukung tanah dasar terbesar terjadi di penambahan batu zeolite dan semen portland 10% yaitu 5,25 dengan persentase kenaikan dari daya dukung tanah asli menjadi 45,02%.   Soil is the basis of a building structure. However, not all land in a building can be used. The unfavorable nature of the soil can cause the buildings that are erected to be damaged. This is highly undesirable in a construction. Therefore, a certain soil condition affects whether or not a construction is strong. In this study, clay soil will be used at the location of the Samba Kahayan Village, Central Katingan District, Katingan Regency, Central Kalimantan. This research is expected to be one of the efforts to increase the bearing capacity of the soil. Based on the tests that have been carried out, it is found that a mixture of zeolite and portland cement mixed with native soil has an impact on increasing the carrying capacity of the soil obtained from the relationship between the DDT value and the planned CBR. The original soil bearing capacity was 3.62 with the addition of native soil, zeolite stone and portland cement in 3 days of curing to 4.43, 4.85 and 5.08, with the highest value of the largest subgrade bearing capacity at 3 days curing occurred at the addition of zeolite stone and 10% portland cement was 5.08 with a percentage increase from the original soil bearing capacity to 40.3%. As for the 7-day curing, it becomes 4.54, 5.01 and 5.25. The greatest value of subgrade bearing capacity occurred in the addition of zeolite stone and 10% portland cement, namely 5.25 with a percentage increase from the original soil bearing capacity to 45.02%.
ANALISIS DESAIN BUND WALL UNTUK MENAHAN GAYA LONGSOR TIMBUNAN PADA TANAH LUNAK Angelia Mutyaraharjo; Stephanus Alexsander; Fatma Sarie
Jurnal Ilmiah Desain & Konstruksi Vol 22, No 1 (2023)
Publisher : Universitas Gunadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35760/dk.2023.v22i1.7906

Abstract

Pada penambangan terbuka membutuhkan kegiatan galian, material galian dipindahkan dan disimpan di waste dump. Untuk mencegah terjadinya perpindahan material oleh air akibat adanya limpasan dan longsor maka dilakukan upaya untuk menahan perpindahan tanah yang ada di stock pile, salah satunya dengan membangun bund wall pada lereng. Bund wall dikatakan stabil jika nilai safety factor (SF) > 1. Pada kasus ini, terdapat lapisan tanah lunak di lokasi rencana pembangunan bund wall karena dapat mengganggu kestabilan pada bund wall. Tujuan penelitian ini untuk menentukan ketinggian maksimum timbunan, sehingga tidak terjadi longsor (internal stability dan overall stability) agar bund wall dapat bekerja dengan baik.  Metode yang digunakan untuk melakukan analisis kestabilan lereng pada bund wall dengan menggunakan metode φ-c reduction (Based on Finite Element Analysis). Hasil penelitian didapat bahwa desain bund wall dengan tinggi 4,5 meter, lebar bagian atas 12 meter dan kemiringan 1:6 tanpa perkuatan memiliki nilai safety factor (SF) sebesar 1,018 (kritis) dan desain bund wall dengan perkuatan geotekstil memiliki nilai safety factor (SF) sebesar 1,455 (aman).
Enhancing Sustainability in Urban Transportation with Innovative Mechanical Engineering Solutions for Electric Buses in Jakarta Fatma Sarie; Abdul Tahir; Rival Pahrijal
West Science Interdisciplinary Studies Vol. 1 No. 10 (2023): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v1i10.299

Abstract

This study looks into how novel mechanical engineering solutions for electric bus technology in Jakarta could change the industry, with an emphasis on improving sustainability, efficiency, and performance. Quantitative data was gathered through technical inspections, stakeholder questionnaires, and real-time monitoring. According to the results, buses with regenerative braking systems, lightweight construction, and cutting-edge drivetrain technologies consume 15% less energy. A comparative investigation revealed a 12% boost in overall speed and responsiveness and a 20% improvement in braking efficiency. The environmental benefits were highlighted by the environmental impact evaluations, which showed a notable 25% reduction in particulate matter and emissions. Positive responses to surveys conducted among passengers and bus operators demonstrated the practical viability and user pleasure of these advances. Although they recognized the potential, city officials stressed the need for a thorough and gradual implementation strategy. According to the research, creative mechanical engineering solutions might completely transform Jakarta's urban transportation system and serve as a template for effective and sustainable mobility.
Efforts to Enhance Anthropological Insights on Sustainable Practices in Human-Environmental Interactions in Central Java Fatma Sarie; Muhamad Ammar Muhtadi; Rully Fildansyah
West Science Social and Humanities Studies Vol. 1 No. 04 (2023): West Science Social and Humanities Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsshs.v1i04.270

Abstract

This study employs a broad multidisciplinary approach to investigate the complex dynamics of human-environment interactions in Central Java. The close relationship between cultural behaviors, like customary ceremonies and indigenous knowledge systems, and the surrounding environment is made evident by ethnographic discoveries. The qualitative tales are supported quantitatively by ecological analyses, such as land use mapping and biodiversity assessments, which underscore the relationship between ecological health and cultural resilience. Workshops and participatory mapping are examples of community engagement activities that provide a forum for co-creating sustainable projects with nearby communities. The robustness of the results is ensured by the triangulation of data sources. The results' synthesis highlights the role that cultural practices have in forming sustainable habits and adds to the growing global conversation about the relationship between culture and ecology.
Bibliometric Analysis of Eco-Friendly Practices in Contemporary Popular Culture Fatma Sarie; Murthada Murthada; Jusatria Jusatria
West Science Social and Humanities Studies Vol. 1 No. 04 (2023): West Science Social and Humanities Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsshs.v1i04.273

Abstract

This study undertakes a thorough bibliometric examination of environmentally conscious behaviors in modern popular culture. By applying sophisticated bibliometric techniques and citation analysis, the research reveals important publication patterns, prolific writers, recurring themes, and seminal works in the multidisciplinary domain. The findings show a consistent increase in scholarly output, with significant peaks occurring in tandem with major world events and cultural movements. The discourse's interdisciplinary nature is emphasized by prolific writers and cooperative networks, while thematic clusters including consumer perspectives, green synthesis, and sustainability are revealed through keyword analysis. The ongoing importance of foundational research is highlighted by highly referenced works such as the mainstreaming of green product developments, the idea of planned behavior in green hotels, and the investigation of the Mediterranean diet. In addition to suggesting future options, such as greater consumer insights, breakthroughs in green synthesis, and investigation of sustainable business practices, the research offers cross-cluster insights that highlight the interdependence of topics. In summary, this research provides a sophisticated comprehension of environmentally conscious behaviors in popular culture, providing insightful information to scholars, instructors, and professionals across various disciplines.
The Influence of Demographic Factors, Farmer Knowledge, and Motivational Factors on the Adoption of Agricultural Technology Innovation: A Case Study on Dairy Farmers in South Bangka Fatma Sarie; Wily Mohammad; Nunung Suryana Jamin; Winarto Ramlan
West Science Agro Vol. 1 No. 01 (2023): West Science Agro
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsa.v1i01.374

Abstract

This study looks into the complex factors that affect dairy producers in South Bangka's use of agricultural technology. Structural Equation Modeling-Partial Least Squares (SEM-PLS) was used to examine the correlations between farmers' knowledge, motivational factors, technology adoption, and demographic characteristics using a sample of 112 farmers. The results highlight the importance of education and adaptability to change by showing a strong positive correlation between demographic characteristics (age, education) and technological adoption. Farmers' knowledge was found to be a crucial element; a substantial positive association suggests that adoption is positively influenced by a deeper understanding of agricultural technologies. Economic incentives and perceived benefits were found to have significant positive connections with technology adoption, indicating the role that perceived benefits play in encouraging the acceptance of new ideas. The model's significant explanatory and predictive ability was validated by the SEM-PLS study, offering a thorough framework for comprehending and improving South Bangka's adoption of technology. The findings highlight the need of a comprehensive strategy that takes into account farmers' goals, experiences, and degree of knowledge in order to promote the adoption of sustainable technologies.
Evaluation of the Effect of Climate Change Factors, Sustainable Agricultural Practices, and Community Involvement on Sustainable Agricultural Productivity: A Case Study on Rice Farmers in Cianjur Area Fatma Sarie; Wily Mohammad; Dewa Oka Suparwata; Fitriah Suryani Jamin
West Science Agro Vol. 1 No. 01 (2023): West Science Agro
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsa.v1i01.376

Abstract

This research investigates the interplay of climate change factors, sustainable agricultural practices, and community involvement on agricultural productivity, focusing on rice farmers in the Cianjur area. Through a quantitative analysis involving 121 farmers, descriptive statistics, correlation, and multiple regression analyses were employed to unveil patterns and relationships. The results reveal a moderate positive correlation between climate change awareness and productivity, a strong positive association between sustainable practices and productivity, and a robust positive correlation between community involvement and productivity. Multiple regression analysis indicates that, collectively, these factors significantly contribute to agricultural productivity. The findings underscore the importance of holistic approaches that integrate climate resilience, sustainable practices, and community engagement for enhancing agricultural productivity in the Cianjur region.
Analisis Perubahan Pada Tanah Lanau dengan Nilai Tambah Masker Mulut Untuk Melihat Nilai Perbandingan Kuat Geser Tanah Bintang Cahya Braga; Fatma Sarie; Mohammad Ikhwan Yani
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.5984

Abstract

Masker medis merupakan alat kesehatan yang digunakan sebagai alat yang mengurangi penyebaran virus Korona/Covid-19, tetapi pada kenyataannya memiliki dampak yang merugikan lingkungan. Guna mengatasi permasalahan tersebut dilakukan penelitian memanfaatkan limbah masker ke dalam geoteknik sebagai geosintentik. Dari hasil uji laboratorium didapatkan hasil bahwa jenis tanah yang didapatkan tergolong dalam kelompok MH. Setelah itu dilakukan pengujian uji geser langsung dimana untuk mengetahui perbandingan tanah asli dengan tanah yang diberi nilai tambah masker, hasil dari pengujian serta pengolahan data nilai kuat geser dari tanah asli adalah sebesar 0,2211 kg/cm2 dan mengalami kenaikan dari 9,1% - 25,3% dengan penambahan masker medis 0,5% masa pemeraman 1 dan 3 hari, lalu mengalami penurunan dengan penambahan masker medis 1% masa pemeraman 1 hari sebesar 25,3%, lalu mengalami kenaikan dengan penambahan yang sama tetapi dengan masa pemeraman 3 hari sebesar 14,8%.
Analisis Daya Dukung Fondasi Tiang Pancang Berdasarkan Hasil N-SPT yang Terkoreksi dari Hasil PDA Test Pada Proyek Jembatan Bukit Rawi Bayu Tuah Septianto; Mohammad Ikhwan Yani; Fatma Sarie
Jurnal Serambi Engineering Vol 8, No 2 (2023): April 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i2.5881

Abstract

Banjir kerap terjadi di setiap musim penguhujan di ruas jalan Palangka Raya-Bagugus, untuk mengatasi hal tersebut maka dibangun jembatan layang Pile Slab Bukit Rawi. Banjir disebabkan oleh meluapnya air dari anak sungai Kahayan yang berjarak ± 0,5- 1 km dari ruas jalan utama, kondisi ini menyebabkan tanah berpotensi memiliki kapasitas daya dukung yang rendah sehingga perencanaan struktur bawah jembatan menggunakan fondasi tiang pancang. Daya dukung tanah didapatkan dengan pengujian SPT dan PDA Test. Tujuan penelitian ini ialah untuk menganalisis daya dukung fondasi tiang pancang tunggal berdasarakan hasil N-SPT dengan beberapa metode empiris yaitu, Meyerhof (1976), Reese Wright (1977), dan Reese O’Neil (1988) yang terkoreksi dari hasil uji dinamik berupa PDA Test. Hasil daya dukung ultimit (Qu) dari SPT, Meyerhof (1976) adalah 88,586 ton (titik BH-2) dan 83,078 ton (titik BH-3), Reese Wright (1977) adalah 63,051 ton (titik BH-2) dan 51,626 ton (titik BH-3), dan Reese O’Neil (1989) adalah 97,632 ton (titik BH-2) dan 78,599 ton (titik BH-3). Sedangkan, PDA Test adalah 185,90 ton (Tiang B-12-C) dan 165,00 ton (B-12-D). Dari hasil analisis koreksi, ketiga metode yang analisis memiliki nillai daya dukung ultimit yang lebih kecil dari hasil uji PDA Test, maka tiang dalam kondisi aman.
Co-Authors Abdul Tahir ADE RISNA SARI Andi Aris Mattunruang Andi Naila Quin Azisah Aliasyahbana Andika Isma Angelia Mutyaraharjo Bayu Tuah Septianto Bintang Cahya Braga Dewa Oka Suparwata Eko Sutrisno Eva Yuniarti Utami Fajriani Azis Fasiha Fasiha Fitriah S. Jamin Ikhyanuddin Ikhyanuddin, Ikhyanuddin Iwan Harsono Jusatria Jusatria Kamaruddin, Ilham Liswandi Liswandi Loso Judijanto Meutia Nadia Karunia Mitra Musika Lubis Mohammad Ikhwan Yani Muhamad Ammar Muhtadi Murthada Murthada Nadi, Muhammad Abi Berkah Nunung Suryana Jamin Okrobianus Hendri RIFQI HADI Rival Pahrijal Rully Fildansyah Safruddin Safruddin Sri Suparni Stephanus Alexsander Suharto Suradji Gandi Sutrisno Sutrisno Syaripuddin S Wily Mohammad Winarto Ramlan ZULFANU HADI