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All Journal JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION Jurnal Rekayasa Material, Manufaktur & Energi Journal of Applied Engineering and Technological Science (JAETS) Budapest International Research in Exact Sciences (BirEx Journal) JTTM: Jurnal Terapan Teknik Mesin IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Inovtek Seri Mesin IRA Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmiah Teknik Sipil dan Arsitektur (JITAS) TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Achmad Jusuf Zulfikar
Universitas Medan Area
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation Other

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Hydrogen sulfide (H₂S) leak risk management in gas plant facilities: A review article Didik Mustakim; Gilang Arya Ramadhan; Zakir Husin; Achmad Jusuf Zulfikar
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 12 No 2 (2025): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v12i2.1597

Abstract

Hydrogen sulfide (H₂S) is a highly toxic and corrosive gas frequently encountered in oil and gas processing operations, particularly in gas plant facilities. Due to its hazardous nature, even minimal leakage can result in fatal consequences for personnel, severe environmental contamination, and major disruptions to plant operations. This review article aims to systematically examine the current risk management practices applied to control H₂S leakage in gas processing facilities. A comprehensive literature review was conducted on 30 peer-reviewed scientific articles published between 2015 and 2024, sourced from reputable databases such as Scopus, ScienceDirect, and Google Scholar. The analysis reveals those structured methodologies, such as the ISO 31000 risk management framework, HAZOP (Hazard and Operability Study), HAZID (Hazard Identification), and bowtie analysis, are effective in identifying vulnerable points within H₂S processing and distribution systems. Furthermore, the adoption of automated H₂S gas detection systems, regular emergency response drills, safety training programs, and the use of corrosion-resistant materials significantly enhances risk mitigation. The findings emphasize the need for integrated approaches that combine technical safeguards with organizational safety culture. This article provides essential insights for industry practitioners and policymakers to improve safety standards and reduce the likelihood and impact of H₂S-related incidents in gas plants.
Hazard analysis and risk control in industrial building construction work: A review article Ahmad Zainurrosidin Widya Pratama; Heri Wardana; Mulia; Din Aswan Amran Ritonga; Suardi; Achmad Jusuf Zulfikar
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 12 No 2 (2025): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v12i2.1598

Abstract

Industrial building construction activities are widely regarded as high-risk operations due to the complexity of tasks and the involvement of various hazardous elements. Workers are frequently exposed to dangers such as falling from heights, being struck by moving or falling objects, electrical hazards, exposure to toxic substances, and musculoskeletal strains. These risks necessitate a systematic and comprehensive approach to hazard identification and risk control to ensure worker safety and operational continuity. This review article aims to synthesize relevant scientific literature published between 2018 and 2024 from reputable databases such as Scopus and Sinta, focusing on the identification of workplace hazards, methods of risk analysis, and implementation of effective mitigation strategies. The narrative review method was employed to gather and analyze findings from 28 selected studies that met predefined inclusion criteria. Results indicate that structured risk assessment tools—such as Hazard Identification Risk Assessment and Determining Control (HIRADC), Job Safety Analysis (JSA), and bowtie analysis—combined with the application of ISO 45001-based Occupational Health and Safety Management Systems (OHSMS), contribute significantly to minimizing accident rates. The review emphasizes the importance of integrating technical measures, administrative controls, and continuous safety training to develop a resilient and safety-oriented work culture in the industrial construction sector.
Design and structural analysis of a 100 kg/h palm frond shaving machine using SolidWorks Dicky Septri Anugrah; Achmad Jusuf Zulfikar; Ibnu Hajar; Suardi
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 13 No 1 (2026): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v13i1.1755

Abstract

This study presents the design and structural analysis of a palm frond shaving machine with a production capacity of 100 kg/hour, aimed at improving the efficiency of the traditional manual process used by craftsmen. The manual method is time-consuming and labor-intensive, limiting production to approximately 2 kg/hour. To address this issue, a mechanical design was developed using SolidWorks 2017 software. The research involved consumer surveys to identify user requirements, followed by concept generation, technical and economic evaluation, and simulation analysis of the selected design. Among three design variants, the second concept—featuring a stone grinder cutter system, UNP steel frame, V-belt transmission, and gasoline engine—was selected as optimal based on combined technical and economic scores. Structural simulation results indicate that the frame, made from UNP 50 steel profiles, exhibits acceptable stress, displacement, and safety factor levels under an applied load of 10 kg. This study offers a viable solution for small-scale industries to process palm fronds into usable sticks efficiently. Future work may include prototype development and extended performance testing. The machine’s application is expected to contribute to local economies by utilizing agricultural waste and increasing the production of palm stick-based handicrafts.
Numerical simulation and analysis of splitting tensile strength of jute/epoxy laminated composites using ANSYS Workbench 2022 Achmad Jusuf Zulfikar; Bonar Sari Monang Naibaho; Mulia; Samuel Marpaung
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 13 No 1 (2026): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v13i1.1837

Abstract

This study investigates the mechanical behavior of jute/epoxy laminated composites when applied as external reinforcement to cylindrical concrete specimens subjected to splitting tensile stress. Natural fiber-reinforced composites, such as jute, have gained significant attention in recent years due to their environmental sustainability, low cost, and reasonable mechanical performance. The primary objective of this research is to evaluate the effectiveness of jute laminate sheathing in improving the tensile strength of cylindrical concrete structures using numerical simulation. A finite element method (FEM) approach was implemented in ANSYS Workbench 2022 to model and simulate various configurations, including specimens without laminates and with one, two, and three layers of jute/epoxy laminates. The model geometry was based on standard cylindrical specimens with a diameter of 50 mm and a height of 150 mm. Material properties were defined based on experimental data, and appropriate mesh and boundary conditions were applied. Results showed that the addition of jute laminates significantly enhanced the splitting tensile strength, with the highest increase of 241% observed in specimens with three layers. The simulation results were validated against experimental data using ANOVA, confirming a strong correlation (p = 0.5). This indicates that the ANSYS-based FEM simulation is a reliable tool for predicting the mechanical behavior of natural fiber-reinforced composites in structural applications.
Co-Authors Ahmad Rivaldo Ahmad Zainurrosidin Widya Pratama Aji Tyas Muzakir Al Rasyid, Al Rasyid Ari Purnomo Arif, Zainal Azwir Sofyan Bincar Orlando Simanjuntak Bobby Umroh Bobby Umroh Bonar Sari Monang Naibaho Danis Nainggolan Darianto Darianto Darianto, Darianto Derlini Derlini Dicky Septri Anugrah Didik Mustakim Diko Alamsyah Din Aswan A Ritonga Din Aswan A. Ritonga Din Aswan A. Ritonga Din Aswan Amran Ritonga Gilang Arya Ramadhan Glusevic, Jean Gustami Harahap Haniza Harahap, Uun Novalia Heri Wardana Ibnu Hajar Ibnu Hajar Ifan Aulia Candra Indra Hermawan Irwan, Ade Iswandi Iswandi Iswandi Iswandi Jean Glusevic Johannes J.B. Butar Butar Joko Joko Jufrizal Jufrizal Junaidi Junaidi Lubis, Pramdya A.T. M. Dalil M.Y. Yuhazri Mahmuddin Al Rasid Mohd Yuhazri Yaakob Muhammad Idris Muhammad Yusuf R. Siahaan Muhammad Yusuf Rahmansyah Siahaan Mulia mulia Nainggolan, Danis Nasution, Fadly A. Kurniawan Nurdiana Nurdiana Nurul Hidayat Nurul Hidayat Purnomo, Ari Rahmad B.Y Syah Rakhmad Arief Siregar Ritonga, Din Aswan A. Rivaldo, Ahmad Rizal Afandi Purba Roy Lamrun Sianturi Rozi Mexiwel Ruli Bay Syahputra Sahat Maruli Sihombing Samuel Marpaung Siahaan, M Yusuf R Siahaan, Muhammad Yusuf Rahmansyah Siregar, Doni Alfiah Siswo Pranoto Siswo Pranoto Sofyan, Azwir Suardi Supriadi Supriatno, Supriatno Tambusay, M. Ibnu Tino Hermanto Toni Erdiansyah Weriono Yuhazri M.Y. Zakir Husin Zakir Husin Zakir Husin