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All Journal JURNAL MANAJEMEN INDUSTRI DAN LOGISTIK DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) Prokons: Jurnal Teknik Sipil J-ADIMAS (Jurnal Pengabdian kepada Masyarakat) International Journal of Social and Management Studies (IJOSMAS) Jurnal Geosains West Science International Journal of Environment, Engineering, and Education Journal of Civil Engineering and Vocational Education Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK)
Muhamad Fajar Subkhan
Politeknik Negeri Malang
Religion Humanities Chemical Engineering, Chemistry & Bioengineering 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 Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Social Sciences Transportation

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PERENCANAAN SIMPANG BERSINYAL PADA JALAN PANGLIMA SUDIRMAN – JALAN GATOT SUBROTO KOTA MALANG Rahmaniar, Farrell Yafi; Muhamad Fajar Subkhan; Marjono
Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK) Vol. 4 No. 1 (2023): MARET 2023
Publisher : Jurusan Teknik Sipil Politeknik Negeri Malang

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Abstract

Simpang Jalan Panglima Sudirman – Jalan Gatot Subroto yang terletak di Kota Malang memiliki volume lalu – lintas yang cukup tinggi karena merupakan jalur utama kendaraan besar luar kota seperti truk dan bus. Permasalahan pada simpang yaitu banyaknya konflik sehingga menyebabkan terjadinya tundaan dan antrian yang cukup panjang. Oleh karena itu harus dilakukan analisa dan evaluasi yang tepat untuk mengetahui kinerja eksisting simpang dan merencanakan simpang bersinyal untuk mengurangi kemacetan di persimpangan ini. Data yang diperlukan pada evaluasi ini adalah data primer dan data sekunder. Data primer didapat dari pengukuran geometrik jalan dan survei lalu – lintas yang dilakukan pada 2 (dua) hari pada pagi dan sore. Data yang didapat dianalisa menggunakan formulir USIG dari MKJI 1997. Dari analisa kinerja simpang eksisting menggunakan formulir USIG didapatkan kinerja simpang tundaan D = 15,03 det/smp; dan level of service LOS = C dengan derajat kejenuhan 0,944. Dari hasil analisa perlu diadakan alternatif penambahan pengaturan lampu lalu – lintas dengan 2 fase, dan didapatkan waktu siklus sebesar 31 detik dengan waktu antar hijau (IG) 8 detik. Dimana menghasilkan derajat kejenuhan sebesar 0,459; tundaan rata-rata 9,86 det/smp; dan tingkat pelayanan A.
OPTIMASI ALAT BERAT PADA PEKERJAAN TANAH PROYEK JALAN TOL SOLO-KERTOSONO RUAS NGAWI-KERTOSONO Supiyono, Supiyono; Muhamad Fajar Subkhan; Bagas Adi Admaja
Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK) Vol. 4 No. 1 (2023): MARET 2023
Publisher : Jurusan Teknik Sipil Politeknik Negeri Malang

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Abstract

Banyaknya pekerjaan tanah yang harus dilakukan dengan menggunakan beberapa alat berat yang memiliki kapasitas dan harga sewa yang beragam. Tujuan optimasi ini adalah untuk mengetahui total biaya alat berat, menentukan alat berat termurah, mengetahui jumlah alat berat. Data sekunder yang dibutuhkan berupa gambar penampang, rencana dan kondisi kerja (RKS), harga sewa alat berat, volume pekerjaan tanah 1.376.866 m3, dan kurva S proyek. Metode Simplex digunakan untuk menghasilkan durasi optimal dan hasilnya diproses oleh program LINDO. Optimalisasi tersebut menghasilkan total biaya sebesar Rp6.454.612.962; alat berat termurah Excavator Komatsu PC200-7, Dumptruck Hino FM 260 JD, Bulldozer Komatsu D65P-12, Vibratory Roller Caterpillar CD54B, AMMANN ASC 100 Sheepfoot Roller.
EVALUASI KINERJA SIMPANG BERSINYAL JALAN RAYA KI AGENG GRIBIG – JALAN DANAU TOBA KOTA MALANG YOGA ADI BHASKARA; Muhamad Fajar Subkhan; Dwi Ratnaningsih
Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK) Vol. 4 No. 2 (2023): JUNI 2023
Publisher : Jurusan Teknik Sipil Politeknik Negeri Malang

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Abstract

Meningkatnya pertumbuhan lalu lintas apabila tidak di imbangi dengan peningkatan sarana dan prasarana yang memadai maka akan mungkin timbulnya beberapa masalah di jalanan salah satunya adalah kemacetan. Kemacetan merupakan permasalahan yang sering di jumpai pada simpang bersinyal Jalan Raya Ki Ageng Gribig – Jalan Danau Toba Kota Malang. Penelitian ini bertujuan untuk mengetahui kinerja simpang bersinyal pada kondisi eksisting dan mengetahui alternatif penyelesaian. Metode yang digunakan pada penelitian ini berdasarkan MKJI 1997 dan PM No.96 2015. Ada dua macam data yang dibutuhkan untuk analisis pada skirpsi ini, yaitu data primer dan data sekunder. Data primer berupa data geometrik jalan, data volume lalu lintas dan data waktu sinyal yang diambil pada hari senin, kamis dan sabtu pada jam jam puncak yaitu, pukul 06.00 – 09.00 WIB dan 15.00 – 18.00 WIB. Untuk data sekunder meliputi peta jalan dan kondisi demografi kota Malang. Dari hasil analisa kinerja simpang eksisting mendapatkan nilai tundaan D = 53,42 det/smp dan level of service (LOS) = E. Dari hasil perhitungan alternatif didapatkan nilai tundaan D = 16,59 det/smp dan level of service (LOS) = C.
PERENCANAAN GEOMETRIK JALUR KERETA API LOGISTIK DI KAWASAN INDUSTRI KABUPATEN GRESIK FAWWAZ, MOHAMMAD FAISHOL; RATNANINGSIH, DWI; SUBKHAN, MUHAMAD FAJAR
Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK) Vol. 4 No. 2 (2023): JUNI 2023
Publisher : Jurusan Teknik Sipil Politeknik Negeri Malang

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Abstract

Kawasan industri di Kabupaten Gresik semakin berkembang pesat. Kebutuhan akan kendaraan angkutan barang juga semakin meningkat dan menimbulkan masalah-masalah rumit yang berkepanjangan karena masih sangat bergantung terhadap angkutan jalan. Oleh karena itu, perlu direncanakan kereta api logistik sebagai alternatif moda angkutan barang yang memiliki banyak keuntungan. Tujuan dari penelitian ini adalah untuk merencanakan jalan rel kereta api dalam hal geometrik serta RAB sebagai moda transportasi logistik di kawasan industri Gresik. Data primer diperoleh dari survei secara langsung. Sedangkan data sekunder yang digunakan berupa data jalur eksisting, peta topografi, spesifikasi kereta dan AHSP. Metode penelitian mengacu pada Peraturan Menteri Perhubungan No. 60 Tahun 2012 dan No. 78 Tahun 2014. Perencanaan menghasilkan jalan rel penggabungan eksisting dan baru dengan panjang total 19.159,837m serta memiliki 18 titik alinyemen horizontal SCS dan 55 titik alinyemen vertikal. Rencana anggaran biaya sebesar Rp. 155.916.827.800,00.
Quality of Service on Road User Satisfaction: Study on Surabaya-Malang Toll Road Customers Subkhan, Muhammad Fajar; Maruta, IGN. Anom; Mahendra, IGN. Andhika
International Journal of Social and Management Studies Vol. 4 No. 2 (2023): International Journal of Social and Management Studies (IJOSMAS)
Publisher : IJOSMAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5555/ijosmas.v4i2.307

Abstract

Travel satisfaction can be considered as a type of road user satisfaction. This level of satisfaction is possible to arise as a result of the performance of Road User Satisfaction with the Services provided by the toll road infrastructure manager in relation to the response of road users to the road services. So this study aims to analyze the quality of service in terms of the satisfaction of users of the Surabaya-Malang toll road. Quantitative research with a community satisfaction survey approach, taking incidental purposive sampling. The sample size used the Slovin formula with a 5% margin of error, and data was collected using a Thurstone scale model questionnaire and distributed to 388 respondents. The research instrument is composed of 5 indicators and 14 sub-indicators, which are then analyzed using Importance Performance Analysis (IPA) to measure service performance and toll road user satisfaction. The results of the analysis show that the value of the Customer Satisfaction Index (CSI) for the service quality of the Surabaya-Malang toll road as a whole is 82.09 (CSI Very Satisfied Category). The Surabaya-Malang toll road management service quality index (Expectation ratio value - MSI) as a whole is 3.28 (MSI is classified as Good), and is in line with the expectations of Surabaya-Malang toll road users (CSI Satisfaction is smaller than the CSI Average satisfaction average) includes (1) road conditions; (2) structure of emergency relief assistance; and (3) street lighting problems.
Challenges of Developing Environmentally Friendly Transportation Infrastructure in Urban Areas Muhamad Fajar Subkhan; Muhammad Taali
Jurnal Manajemen Industri dan Logistik Vol. 9 No. 2 (2025): 10 original research articles, were authored/co-authored by 33 authors from 2 c
Publisher : Politeknik APP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30988/jmil.v9i2.1735

Abstract

This research aims to identify and analyze the main challenges in developing environmentally friendly transportation infrastructure in urban areas, as well as to provide technical solutions based on calculations and scientific approaches in the field of transportation infrastructure engineering.The method used is a descriptive qualitative approach, with data collection through literature studies and field observations. The results of the study indicate that the development of environmentally friendly transportation in urban areas faces various challenges, ranging from budget constraints, weak coordination between sectors, to low public awareness. To strengthen the qualitative data, a system dynamics based on quantitative data is used with simulation 1 showing sustainability up to 30% of 100%, simulation 2 up to 25% of 100%, simulation 3 up to 20% of 100%, simulation 4 up to 15% of 100%, and simulation 5 up to 10% of 100%, thus showing that the factor that must be maximized is infrastructure and technology.
OPTIMASI LAHAN PARKIR TERHADAP PENDAPATAN PARKIR DI FLORAWISATA SANTERRA DE LAPONTE Kevin Reinhardita; Muhamad Fajar Subkhan
Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK) Vol. 7 No. 2 (2026): JUNI 2026
Publisher : Jurusan Teknik Sipil Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jos-mrk.v7i2.9685

Abstract

Florawisata Santerra De Laponte merupakan salah satu destinasi wisata di Kabupaten Malang dengan tingkat kunjungan yang tinggi, terutama pada akhir pekan dan hari libur. Kondisi lahan parkir eksisting yang belum tertata secara optimal menimbulkan kepadatan kendaraan, kemacetan di pintu masuk kawasan wisata, serta belum optimalnya pendapatan parkir. Oleh karena itu, diperlukan optimasi lahan parkir untuk meningkatkan kapasitas dan pendapatan parkir. Penelitian ini bertujuan untuk menganalisis karakteristik parkir eksisting, melakukan optimasi dan penataan ulang lahan parkir, serta menghitung pendapatan parkir setelah optimasi di Florawisata Santerra De Laponte. Hasil penelitian menunjukkan bahwa kondisi eksisting memiliki total 429 SRP, sedangkan kebutuhan parkir berdasarkan Pedoman Dirjen Perhubungan Darat Tahun 1998 mencapai 494 SRP. Akumulasi parkir maksimum terjadi pada hari Minggu dengan nilai indeks parkir lebih dari 1, yang menandakan kapasitas parkir tidak mencukupi. Setelah dilakukan optimasi dan penataan ulang pola parkir, kapasitas parkir meningkat menjadi 508 SRP yang terdiri dari 162 SRP motor, 256 SRP mobil, 50 SRP bus besar dan bus sedang, serta 40 SRP elf. Nilai indeks parkir setelah optimasi berada pada rentang 0,88–1,00 sehingga masih dalam batas kapasitas normal. Pendapatan parkir maksimum setelah optimasi mencapai Rp6.305.000 per hari atau sebesar Rp2.301.325.000 per tahun.
Analysis of the Influence of Flight Altitude on the Accuracy of Elevation Derived from UAV-Photogrammetry Helik Susilo; Dandung Novianto; Trias Rahardianto; Muhamad Fajar Subkhan; Martince N Bani; Muhammad Tri Aditya
Jurnal Geosains West Science Vol 4 No 02 (2026): Jurnal Geosains West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jgws.v4i02.3398

Abstract

Accurate elevation measurement is critical for applications such as construction engineering, land subsidence monitoring, and infrastructure management. Conventional terrestrial surveying using a Total Station provides reliable results but is labor intensive and time consuming. UAV-Photogrammetry offers a more efficient alternative by enabling rapid elevation estimation from aerial imagery acquired by camera equipped unmanned platforms. In this study, aerial photos were collected at three flight altitudes, 25 m, 35 m, and 45 m above ground level (AGL), and elevations derived from UAV-Photogrammetry processing were compared against Total Station measurements. The results demonstrate that imagery captured at 25 m AGL achieved the highest accuracy, with a Root Mean Square Error (RMSE) of 0.0313 m, followed by the 35 m AGL (RMSE = 0.0539 m) and 45 m AGL (RMSE = 0.1118 m). Statistical evaluation using a t-test indicated no significant differences between UAV-Photogrammetry elevations and those obtained from the Total Station.
Perceived Security and Trust as Mechanisms of P2P Adoption Technology: Evidence from Pre-Adopters Using PLS-SEM Approach Indra Dharma Wijaya; Rudi Salam; Saiful Ghozi; Faiz Ushbah Mubarok; Muhamad Fajar Subkhan
International Journal of Environment, Engineering and Education Vol. 8 No. 1 (2026)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v8i1.373

Abstract

Peer-to-peer (P2P) lending can expand working-capital access for micro-entrepreneurs, yet borrowing via digital platforms heightens perceived vulnerability due to sensitive data disclosure and binding repayment obligations. This study examines how perceived security and trust shape adoption intention in a high-stakes fintech context by extending the Technology Acceptance Model (TAM) and testing whether security and trust transmit the effect of perceived usefulness to intention. Using an explanatory cross-sectional design, we collected offline-administered survey data from 204 Indonesian micro-entrepreneurs who had not previously adopted P2P lending to capture pre-adopter perceptions better and reduce digital-selection bias. The model was estimated using PLS-SEM 3. The results indicate that all hypothesized relationships are positive and statistically significant. Perceived usefulness significantly enhances perceived security (β = 0.562) and trust (β = 0.259), while perceived security exerts a strong positive effect on trust (β = 0.517). Intention to use P2P lending is directly influenced by perceived security (β = 0.337), trust (β = 0.213), and perceived usefulness (β = 0.208). Mediation analysis confirms that perceived security (β = 0.189) and trust (β = 0.055) partially mediate the effect of perceived usefulness on intention to use. The model explains 42.4% of the variance in intention to use (R-squared = 0.424) and demonstrates adequate predictive relevance (Q-squared = 0.263). Overall, perceived security emerges as the most influential determinant of adoption intention, underscoring the importance of security-by-design features, transparent governance, and robust consumer-protection frameworks in fostering trust and accelerating P2P lending adoption among micro-entrepreneurs.
Engineering-Oriented Transit QoS and Perceived Value: Predicting Passenger Satisfaction and Behavioral Intentions in Urban Public Transport Muhamad Fajar Subkhan; Endang Siti Astuti; Andriani Kusumawati; Sunarti Sunarti
International Journal of Environment, Engineering and Education Vol. 8 No. 1 (2026)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v8i1.427

Abstract

The integration of technology into education has garnered significant interest, particularly for its potential to support environmental sustainability. Urban bus and bus rapid transit (BRT) systems must deliver passenger-centered service quality that is both measurable for operators and meaningful to users. However, service-quality research often relies on generic perceptual scales that are difficult to translate into actionable operational interventions. This study advances an engineering-oriented Stimulus–Organism–Response (S–O–R) framework by conceptualizing Transit Engineering Quality of Service (TE-QoS) as an actionable stimulus and examining its relationships with perceived value, satisfaction, and behavioral intention in the context of urban bus services in Indonesia. Data were collected through an offline intercept survey of Trans Jatim passengers in the Surabaya metropolitan area between June and July 2024, yielding 300 valid responses for analysis. Using CB-SEM (AMOS), the measurement model demonstrated satisfactory reliability and validity. The structural results indicate that perceived value strongly predicts satisfaction (β = 0.698, p < 0.001), whereas TE-QoS exerts a positive, though comparatively modest, direct effect on satisfaction (β = 0.122, p = 0.017). Satisfaction, in turn, strongly predicts behavioral intention (β = 0.700, p < 0.001). The Model explains 50.2% of the variance in satisfaction and 48.9% of the variance in behavioral intention. These findings suggest that operational improvements in reliability, regularity, travel-time efficiency, access, comfort, information, and safety are more likely to strengthen loyalty-related intentions when passengers perceive them as clear gains in value. Future research should integrate objective operational data and formally examine indirect mediation pathways.
Co-Authors Achendri M. Kurniawan Achendri M. Kurniawan Achmad Aminudin Achmad Johan Adianto Aditya Luqmana Hutama Alfi Tranggono Agus Salim Aliffasha Wianda Putranto Amri, Lala Hucadinota Ainul Andriani Kusumawati Azizah Trigita Pamungkas Bagas Adi Admaja Budi Triyono Budi Triyono Burhamtoro Burhamtoro Burhamtoro Dandung Novianto Dandung Novianto Dandung Novianto Dinesh Basti Farani Dionisius Padrawana Setya Purnama Dwi Ratnaningsih Dwi Ratnaningsih, Dwi Dyah Ayu Rahmawati Cupasindi Elok Ciptia Ramadhani Elza Febri Yusdetira Endang Siti Astuti Faiz Ushbah Mubarok Falah Barid FAWWAZ, MOHAMMAD FAISHOL Fuji Asema Hanifah N. K. N. Helik Susilo Imelda Putri Octaviani Indra Dharma Wijaya Ivand Azriel Hekmatiar K., R. Jasa Kevin Reinhardita Lispitasari, Debyta Rizki Mahendra, IGN. Andhika Marjono Martince N Bani Maruta, IGN. Anom Moch Thariq Alfarizi Moch. Khamim Mochamad Reza Arimurti Muhamad Rizki Fachrudin Fachrudin Muhammad Faiz Zurroyyan Muhammad hifzhan Azh Zhafir Muhammad Ilham Ismi Muhammad Taali Muhammad Tri Aditya Muhammad, Faizal N., Hanifah N. K. NANANG ROMANDONI Nugroho, Kemal Adi Puspitasari, Dyah Ayu Kunthi R. Jasa K. Radiffa Aditama Rahmaniar, Farrell Yafi Rinto Sasongko Robith Fuady Rudi Salam Saiful Ghozi Suci wahyuni Sunarti Sunarti Supiyono Supiyono, Supiyono Trias Rahardianto Trias Rahardianto Udi Subagyo Udi Subagyo YOGA ADI BHASKARA Yuli Prasetyo Zulfa, Yulianita