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All Journal Jurnal Optimasi Sistem Industri Jurnal Nasional Komputasi dan Teknologi Informasi jes
Mohd Iqbal
Universitas Syiah Kuala
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analyzing the Vibration Exposure to the Safety and Health at Workplace: A Case in the Urea Granulation Unit of the Fertilizer Factory Muhammad Taufiq; Iskandar Hasanuddin; Mohd Iqbal; Friesca Erwan
Jurnal Optimasi Sistem Industri Vol. 20 No. 2 (2021): Published in November 2021
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (886.347 KB) | DOI: 10.25077/josi.v20.n2.p115-124.2021

Abstract

This study aims to evaluate the vibration exposure experienced by workers in the Urea Granulation Screen Unit (UGSU) at the fertilizer factory in Aceh, Indonesia. This study involved 30 labors in charge as operators, mechanical maintenance officers, electrical maintenance officers, instrument maintenance officers, and inspectors. The measurement of vibration was carried out using a Triaxial Accelerometer with Integral Magnet and shows that the vibration exposure on the factory floor of the urea granulation screen unit occurs vertically with a minimum value of 0.298 m/s2 and a maximum of 1.630 m/s2. According to ISO 2631-1:1997, the maximum vibration values that occur are categorized as a likely health risk zone and result in uncomfortable reactions to the workers. Furthermore, this study analyzes the effect of vibrations on musculoskeletal problems using a Nordic Body Map (NBM) questionnaire. It reveals that the average score of musculoskeletal complaints is 71.6, which defines a high degree of pain. The results of the NBM questionnaire also showed that the vulnerable part of the body which experienced musculoskeletal complaints is the knee. The result of vibration exposure on this body part shows the highest value of 3.437 m/s2. To minimize occupational diseases and accidents, it is necessary to manage a working system that takes into account legal standards, ideal working time, and working shifts in the work area.
Penentuan Dimensi Meja Dan Kursi Yang Ergonomis Dengan Metode Antropometri Dan Menggunakan Data Statistik Analisis Dini Syahriza Fahlevi; Iskandar Iskandar; Mohd. Iqbal
Jurnal Nasional Komputasi dan Teknologi Informasi (JNKTI) Vol 3, No 2 (2020): OKTOBER 2020
Publisher : Program Studi Teknik Informatika, Fakultas Teknik. Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (692.585 KB) | DOI: 10.32672/jnkti.v3i2.2338

Abstract

This study took place in High School (SMA) dispersed in Pidie District, Aceh, with the object of obser-vation is support facilities and learning activities in the classroom, namely chairs and desks. This re-search was done in three stages: initial analysis stage by using Catia software and to use the RULA (Rapid Upper Limd Assessment) analysis. The second stage is the anthropometric data collection where the sample was taken 30 students per high school of 10 students divided into grade 1, 10 students in grade 2, and 10 students in grade 3. The final stage is the stage of anthropometric data processing, in this study data using statistical analysis. Design concepts and ideas are expected to produce a design that suits your needs and can represent antropomeri high school students Pidie district, Aceh. A proto-type chairs and tables will also be displayed as a result of this study taking into account aspects of com-fort with changing height, seat width, backrest tilt, and the addition of the supporting hand.
Effect of Maleic Anhydride Polypropylene on Flexural Properties of Hybrid Kenaf - Sugar Palm Fibre Reinforced Polypropylene Composites Dandi Bachtiar; Januar Parlaungan Siregar; Mohd Iqbal; Masri; Zulfadhli; Muhibbuddin
Journal of Engineering and Science Vol. 2 No. 2 (2023): July-December
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jes.v2i2.169

Abstract

This study was focused on the characterize the hibridisation of kenaf and sugar palm fibre in reinforcing the polypropylene matrix. Addition of MAPP (Maleic Anhydride Polypropylene) was used as compatibilizing agent with variation of 2%, 3% and 5%. The specimen materials were prepared with 30% amounts of fibres while the ratios between kenaf and sugar palm fibre are 10:20, 15:15 and 20:10. The composites were fabricated using melt mixer technique and followed by compression molding process. The specimens were cut according ASTM Standard D790 for conducting the flexural testing. After testing done, the results shown that flexural strength of composites tend to decreased when the content of MAPP increased. The ultimate flexural strength was attained at 2% MAPP addition of the hybrid composites with 20% kenaf fibres. Among the composites with different ratios, the hybrid composites that contain more kenaf fibres exhibit the higher value in flexural strength than the composites that contain more sugar palm fibres.
Co-Authors Dandi Bachtiar Dini Syahriza Fahlevi Friesca Erwan Iskandar Hasanuddin Iskandar Iskandar Januar Parlaungan Siregar Masri Muhammad Taufiq Muhibbuddin Zulfadhli