Claim Missing Document
Check
Articles

Found 37 Documents
Search

Subsurface Mapping and Geotechnical Design for Landslide Mitigation Hasan, Muhammad Fathur Rouf; Susilo, Adi; Sutan Haji, Alexander T.; Suryo, Eko Andi; Agung, P. A. Maha; Idmi, Mohammad Habibiy; Musta, Baba
Civil Engineering Journal Vol. 11 No. 9 (2025): September
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2025-011-09-015

Abstract

The landslide near the PT Molindo Incinerator Unit poses a significant threat to the facility’s structural integrity. Without immediate mitigation measures, the incinerator building is at risk of collapse, potentially impacting adjacent settlements due to cascading structural failures. To reduce the risk of further instability, urgent geophysical investigation is required to characterize the subsurface lithology and assess the groundwater table conditions. A geoelectrical resistivity survey was conducted using the Schlumberger configuration across 8 measurement points along a 100-meter survey line, with 10-meter electrode spacing. The resistivity measurements ranged from 3.30 to 25 Ωm, which were interpreted as clay-rich layers; 26 to 167 Ωm, corresponding to sandy clay; and 167 to 15,944 Ωm, indicating bedrock. The potential slip zone is interpreted at an average depth of 20 to 25 meters, indicated by very low resistivity values with resistivity values between 3.30 and 25 Ωm. Field observations confirmed that the landslide materials predominantly consisted of clay soils, distributed within two distinct layers beneath the incinerator unit. The combined depth of the clay and overlying sandy layers was estimated to reach approximately 20-25 meters from the ground surface. To ensure the effectiveness of structural mitigation, a retaining wall must be designed to extend beyond this depth threshold. Numerical simulations using Slope/W software indicated that soil nailing techniques yielded safety factors ranging from 1.32 to 1.81 under static conditions and 1.22 to 1.43 under dynamic conditions. Predicted deformations ranged from 0.01 to 0.02 meters (static) and 0.02 to 0.03 meters (dynamic). These results suggest that soil nailing is a viable reinforcement method to stabilize slope movements, particularly during periods of high rainfall. Additional recommended mitigation strategies include the installation of surface and subsurface drainage systems to control water flow, constructing retaining structures to serve as physical barriers to soil movement, and using vegetative cover to enhance slope stability.
INVESTIGATION OF GROUNDWATER SOURCES IN BANYOL HAMLET MALANG REGENCY USING THE GEOELECTRICAL RESISTIVITY METHOD TO OVERCOME DROUGHT STRATEGY Juwono, Alamsyah M.; Susilo, Adi; Hasan, Muhammad Fathur Rouf; Yunika, Nieske Ari; Annabil, Achmad Achdan; Mujtaba, Mochammad Wafa Husain; Haniyyah, Saffanatul
Indonesian Physical Review Vol. 7 No. 2 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i2.320

Abstract

The drought in Banyol Hamlet, Malang Regency, severely impacts community sustainability. This problem can be overcome if the hamlet has a groundwater source; theoretically, groundwater can be detected using geoelectric resistivity. This research aims to investigate the existence of aquifer layers in Banyol Hamlet, Malang Regency, using the resistivity method Schlumberger configuration. Resistivity data was measured at 5 points with a track stretch of 400 m and a distance between electrodes of 5 m; then, three parallel measurement points were interpolated into a 2D cross-section. Based on the analysis, the presence of the aquifer is considered to be in the breccia tuff layer because the resistivity value is lower than usual in this layer. So, we assume that the tuff breccia rocks can act as an aquifer in the study area. The results of the 2D cross-section show that the shallow aquifer is found at a depth of 10-22 m with a resistivity value of around 30.78 Ωm - 314 Ωm. and a deep aquifer at a depth of 40-125 m with a resistivity value of around 22.34 Ωm - 192 Ωm. So drilling is recommended at measurement points SS-1 and SS-3 in deep aquifers because the thicker the soil layer, the more water infiltration.
Perception Analysis Of PNJ Civil Engineering Students Toward Main Course Using Importance Performance Analysis Method: Analisis Persepsi Mahasiswa Teknik Sipil PNJ Terhadap Mata Kuliah Inti Dengan Metode Importance Performance Analysis Amalia, Amalia; Hasan, Muhammad Fathur Rouf; Yanuarini, Erlina; Setiawan, Yanuar; Saputra, Jonathan
Pedagogia : Jurnal Pendidikan Vol. 10 No. 1 (2021): February
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pedagogia.v10i1.1084

Abstract

The suitability between expectations and reality of the quality of education students get during college affects students' perceptions of education quality in a study program. Information on the achievement of the implementation of main courses subjects and the teaching and learning process can be used as a basis for evaluating and mapping the gaps between the curriculum and the teaching and learning process with the required competencies. This study aims to determine students' perceptions of core subjects' learning outcomes in the D3 KS and D3 KG Pograms, Department of Civil Engineering PNJ. The method used in this research is the survey method, with purposive random sampling and descriptive analysis approach. Meanwhile, the performance and gap analysis use the Importance-Performance Analysis (IPA) method. The results denote that the students' perceptions of the learning outcomes of the main courses of the D3 KG and D3 KS Programs, Department of Civil Engineering PNJ showed promising results. The IPA analysis shows that six of the seven D3 KG Study Program main courses are in Quadrant II, and six of the eight D3 KS Program main courses are also in Quadrant II.
Analisis Stabilitas Lereng Menggunakan Matras dan Cerucuk Bambu pada Projek X Musyaffa Esa Cahya; Intan Juliana; Yelvi Yelvi; Putera Agung Maha Agung; Aldo Wirastana Adinegara; Sony Pramusandi; Muhammad Fathur Rouf Hasan; Rahmat Faizal
Borneo Engineering: Jurnal Teknik Sipil Vol. 9 No. 3 (2025): Volume 9 Nomor 3 Tahun 2025
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v9i3.336

Abstract

The construction of PT. X' depot in Langsa City, Aceh, is located on soft clay soil that requires slope stability analysis for the embankment. This research aims to analyze slope stability using bamboo mattresses and piles as reinforcement to improve the safety factor. The analysis was conducted using manual calculations (Bishop method) and GeoStudio software (also using the Bishop method), under both static conditions and seismic influence (pseudostatic approach with a horizontal seismic coefficient (kh) = 0.18). The manual calculation results showed that the unreinforced slope had a safety factor (SF) of 1.1428 < 1.25 (unstable), which decreased to 0.6711 < 1.1 (unstable) under seismic load. Meanwhile, the GeoStudio software analysis indicated that the unreinforced slope had an SF of 1.256 > 1.25 (stable) but dropped to 0.903 < 1.1 (unstable) under seismic load. The use of 1–4 layers of bamboo piles and matting increased the SF to 1.318–1.35 without seismic influence. Under seismic conditions, the SF of the slope reinforced with 1–4 layers of bamboo piles and matting improved to 0.931–0.97. However, the slope was still considered critical during an earthquake (SF < 1.1).
SOSIALISASI HASIL INVESTIGASI AIR BAWAH TANAH SEBAGAI UPAYA MENGATASI KEKERINGAN Pamungkas, Mauludi Ariesto; Susilo, Adi; Juwono, Alamsyah M.; Naba, Agus; Yudianto, Didik; Idmi, Mohammad Habibiy; Hanafi, Muhammad Gusti Alif Zuhry; Gumelar, Dito Ibrahim; Hasan, Muhammad Fathur Rouf
JMM (Jurnal Masyarakat Mandiri) Vol 8, No 6 (2024): Desember
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v8i6.27233

Abstract

Abstrak: Ketika memasuki musim kemarau, beberapa wilayah di Kabupaten Malang mengalami kesulitan air untuk kebutuhan hidup sehari-hari, salah satunya Dusun Sumberwaluh, Desa Pringgodani, Kecamatan Bantur. Kegiatan ini bertujuan untuk meningkatkan pemahaman peserta kegiatan terkait potensi air tanah sebagai langkah awal untuk mengatasi kekeringan pada lokasi pengabdian. Metode pelaksanaan adalah sosialisasi, sedangkan mitra kegiatan yaitu Yayasan SEMAIN dan warga setempat. Kegiatan sosialisasi diikuti oleh 5 Dosen, 3 mahasiswa, 4 mitra dari yayasan SEMAIN, dan 57 mitra sekaligus peserta dari warga setempat. Evaluasi untuk mengukur pengetahuan peserta dilakukan melalui pertanyaan langsung sebanyak 3 pertanyaan. Indikator keberhasilan kegiatan ini adalah peserta memiliki pengetahuan tambahan terkait potensi sumber air tanah pada daerah mereka. Hasil yang dicapai yaitu peserta memperoleh pengetahuan baru, dimana mayoritas peserta mampu menjawab 2 dari 3 (66,6%) pertanyaan terkait materi sosialisasi yang diberikan. Secara ekonomi, kegiatan investigasi sumber air tanah menghabiskan biaya sekitar 30 juta, sedangkan pembuatan sumur bor sekitar 70 juta (total 100 juta). Biaya tersebut diberikan secara gratis kepada masyarakat setempat sebagai bentuk kepedulian terhadap sesama.Abstract: When entering the dry season, several areas in Malang Regency experience water shortages for daily needs, one of which is Dusun Sumberwaluh, Pringgodani Village, Bantur District. This activity aims to increase participants' understanding of groundwater potential as an initial step in overcoming drought at service locations. The implementation method is socialization, while the activity partners are the SEMAIN Foundation and local residents. The socialization activity was attended by 5 lecturers, 3 students, 4 partners from SEMAIN Foundation, and 57 partners and participants from local residents. Evaluation to measure participants' knowledge is carried out through 3 direct questions. The success indicator of this activity is that participants have additional knowledge regarding the potential of groundwater sources in their area. The results achieved were that participants gained new knowledge, where the majority of participants were able to answer 2 out of 3 (66.6%) questions related to the socialization material provided. Economically, groundwater source investigation activities cost around 30 million, while drilling wells cost around 70 million (total 100 million). These costs are provided free of charge to the local community as a form of concern for others. 
EDUKASI KESEHATAN DAN PENYAKIT MULUT BAGI PARA LANSIA TERKAIT PENYAKIT SISTEMIK Cahyati, Miftakhul; Hidayat, Lukman Hakim; Putri, Agustine Hanafi; Swastirani, Astika; Hakim, Meilia Aquina; Komarruzaman, Abdul Razaq; Firdaus, Devan Maulana; Riandi, Muhammad Alvaro; Sukadi, Zefanya Nicko; Hasan, Muhammad Fathur Rouf
JMM (Jurnal Masyarakat Mandiri) Vol 9, No 2 (2025): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v9i2.29115

Abstract

Abstrak: Seiring bertambahnya usia, lansia rentan mengalami berbagai masalah kesehatan gigi dan mulut. Umumnya masyarakat beranggapan bahwa masalah gigi merupakan bagian alami dari proses penuaan, dan lebih parah jika masyarakat beranggapan bahwa masalah gigi dan mulut merupakan hal yang sepele. Sehingga kegiatan pengabdian ini bertujuan untuk memberikan edukasi kesehatan dan penyakit mulut bagi para lansia terkait penyakit sistemik. Pelaksanaan kegiatan dilakukan dengan metode sosialisasi kemudian dilanjutkan dengan pemeriksaan kesehatan. Tim pelaksana kegiatan terdiri dari 7 Dosen FKG UB, 20 Mahasiswa FKG UB, sedangkan mitra sekaligus peserta sebanyak 44 orang lansia yang berasal dari Desa Sumberejo dan Desa Kalisongo. Sistem evaluasi menggunakan kuesioner untuk mengukur tingkat pemahaman peserta sebelum dan sesudah kegiatan. Hasil evaluasi menunjukkan adanya peningkatan pemahaman peserta yang signifikan, seperti pengetahuan tentang diabetes mellitus dan dampaknya terhadap kesehatan mulut. Responden yang menyatakan "tahu," awalnya sebanyak 11 responden meningkat drastis menjadi 33 responden (50%). Secara garis besar kegiatan edukasi tentang kesehatan gigi dan mulut dalam kegiatan pengabdian ini mampu memberikan dampak positif. Tim pengabdian berharap, kegiatan pengabdian ini dapat mendorong perubahan perilaku menuju praktik kebersihan gigi dan mulut yang lebih baik.Abstract: As people age, the elderly become increasingly susceptible to various dental and oral health problems. Generally, people assume that dental problems are a natural part of the ageing process, and it is worse if people assume that dental and oral problems are trivial. So this community service activity aims to provide health and oral disease education for the elderly regarding systemic diseases. The implementation of the activity was carried out using the dissemination method and then continued with a health check. The activity implementation team consists of 7 FKG UB lecturers, 20 FKG UB students, while the partners and participants are 44 elderly people from Sumberejo Village and Kalisongo Village. The evaluation system uses a questionnaire to measure participants' level of understanding before and after the activity. The evaluation results showed a significant increase in participants' understanding, such as knowledge about diabetes mellitus and its impact on oral health. Respondents who stated "know," initially 11 respondents, increased drastically to 33 respondents (50%). Generally, educational activities about dental and oral health in this community service activity were able to provide a positive impact. The community service team hopes that this community service activity can encourage behavioural changes towards better dental and oral hygiene practices.
SOSIALISASI PEMBUATAN PROBIOTIK ALAMI BERBAHAN REMPAH UNTUK MENINGKATKAN PRODUKTIVITAS TAMBAK BANDENG TRADISIONAL Kartikaningsih, Hartati; Sudaryanti, Sri; Koentjoro, Maharani Pertiwi; Hasan, Muhammad Fathur Rouf; Anggraeni, Ike Listya; Ashari, Fadhil Muhamad; Gunawan, Fahdynia Karnira
JMM (Jurnal Masyarakat Mandiri) Vol 9, No 4 (2025): Agustus
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v9i4.32260

Abstract

Abstrak: Salah satu penyebab menurunnya produktivitas tambak di Kelurahan Blandongan Kota Pasuruan yaitu penurunan kualitas lingkungan tambak karena tingginya ketergantungan terhadap pakan dan probiotik pabrikan yang mahal serta kurangnya inovasi budidaya ramah lingkungan. Kegiatan ini bertujuan untuk meningkatkan pengetahuan petambak tentang penggunaan probiotik alami berbahan rempah sebagai alternatif yang lebih murah dan ramah lingkungan. Kegiatan disampaikan dengan metode dialog interaktif dan praktik, diikuti oleh 3 dosen dan 3 mahasiswa Universitas Brawijaya. Sebagai mitra yaitu Kelompok Pembudidaya Ikan Banyu Urip sebanyak 27 peserta dan Dinas Perikanan Kota Pasuruan sebanyak 10 peserta. Evaluasi kegiatan menggunakan kuesioner dengan 6 pertanyaan untuk mengukur tingkat pemahaman peserta sebelum dan sesudah kegiatan. Hasil evaluasi menunjukkan bahwa lebih dari 80% peserta belum mengetahui kandungan dan proses pembuatan probiotik alami. Setelah sosialisasi, sebanyak 95% responden menyatakan telah memahami fungsi probiotik, kandungan bahan aktif, serta tahapan pembuatannya. Dengan pendekatan edukatif berbasis dialog interaktif dapat meningkatkan kapasitas petambak dalam mengadopsi teknologi tepat guna dan berkontribusi pada keberlanjutan produktivitas tambak tradisional.Abstract: One of the causes of declining pond productivity in Blandongan Village, Pasuruan City is the decline in the quality of the pond environment due to the high dependence on expensive feed and probiotics and the lack of environmentally friendly cultivation innovations. This activity aims to increase farmers' knowledge about the use of natural probiotics made from spices as a cheaper and environmentally friendly alternative. The activity was delivered using interactive dialog and practical methods, attended by 3 lecturers and 3 students of Universitas Brawijaya. The partners were the Banyu Urip Fish Farmer Group with 27 participants and the Pasuruan City Fisheries Service with 10 participants. The evaluation of the activity used a questionnaire with 6 questions to measure the level of understanding of the participants before and after the activity. The evaluation results showed that more than 80% of the participants did not know the content and process of making natural probiotics. After the socialization, 95% of respondents stated that they understood the function of probiotics, the content of active ingredients, and the stages of making them. This proves that an educative approach based on interactive dialog can increase the capacity of farmers to adopt green technology and contribute to the sustainability of traditional pond ecosystems.
Co-Authors A&#039;isyah Salimah A. Fauzi Pohan A. T. S. Azhar A. T. Sudjianto Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adinegara, Aldo W. Agung B. Broto Agung Budi Broto Agung Teguh Wibowo Almais Agung, P. A. Maha Agus Naba Ahmad Imron Rozuli Ahmad N. Faris Ahmad, Mustaffa A. Alamsyah M. Juwono Aldo Wirastana Adinegara Amalia Amalia Amalia Amalia Amalia Amalia Anggraeni, Ike Listya Anis Nurullaili Anis Rosyidah Anjar Pranggawan Azhari Annabil, Achmad Achdan Aprilia, Faridha Arbad, Arliandy Pratama Aryono Adhi, Aryono Ashari, Fadhil Muhamad Aunur Rofiq Aunur Rofiq Azzahro, Rossyda Bambang Setiahadi Budi Damianto Bunga Puspita, Mayang Daeng A. Suaidi Denny Yatmadi Denny Yatmadi Denny Yatmadi Dini Fitriani DYAH NURWIDYANINGRUM Eko Andi Suryo Eko Andi Suryo Faizal, Rahmat Faridha Aprilia Farizky Hisyam Farizky Hisyam Ferdinal, Ferdinal Firdaus, Devan Maulana Germanus Tirta Tambing Gumelar, Dito Ibrahim Gunawan, Fahdynia Karnira Habibiy Idmi, Mohammad Hakim, Meilia Aquina Hamdi Rifai Hanafi, Muhammad Gusti Alif Zuhry Haniyyah, Saffanatul Hapsoro, Cahyo Aji Hari Wisodo, Hari Hidayat, Lukman Hakim Hisyam, Farizky I Ketut Sucita Idmi, Mohammad Habibiy Imam H Sasongko Intan Juliana Juwono, Alamsyah M. Karimah Karimah Kartikaningsih, Hartati Khuluq, Muhammad Husnul Komarruzaman, Abdul Razaq Linda Sari Wulandari M. I. S. Fazlina Maharani Pertiwi Koentjoro Mauludi Ariesto Pamungkas Mega Isnaeni Miftakhul Cahyati Mohd. J. Bin Ahmad Muhammad Nizam Zakaria Mujtaba, Mochammad Wafa Husain Musta, Baba Mustaffa A. Ahmad Mustaffa A. Ahmad Musyaffa Esa Cahya Muwardi Sutasoma Nur Aziza Putri Osa, Dominggus Benyamin P. A. Maha Agung Prastyo, Redy Eko Putera Agung Maha Agung Putri, Agustine Hanafi Razi, Mohd Adib Mohammad Riandi, Muhammad Alvaro Rinawati Rinawati Rinawati Rinawati Salimah, A’isyah Saputra, Jonathan Siti Rohmah Siti Rohmah Siti Zulaikah Solly Aryza Sony PRAMUSANDI Sri Herwiningsih Sri Sudaryanti, Sri Sukadi, Zefanya Nicko Sukarman Sukarman Sukir Maryanto Suripto Suripto Susilo, Adi Sutan Haji, Alexander T. SUTIKNO Sutrisno Sutrisno Sutrisno Sutrisno Swastirani, Astika Tri Widya Swastika Tri Widya Swastika, Tri Widya U. A. Abdurrahman Wiwik Handayani Yanuar Setiawan Yanuarini, Erlina Yelvi Yelvi Yoyok Adisetyo Laksono Yudianto, Didik Yunika, Nieske Ari Zainorabidin, Adnan