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All Journal Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal Ilmiah Teknik Informatika dan Komunikasi
Bambang Kurnia
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering

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Perancangan Sistem Informasi Pembelajaran Online (E-Learning) Berbasis Web Bambang Kurnia; Tumini Tumini
Jurnal Ilmiah Teknik Informatika dan Komunikasi Vol. 3 No. 3 (2023): November : Jurnal Ilmiah Teknik Informatika dan Komunikasi
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juitik.v3i3.714

Abstract

Education is a basic human need that constantly transforms and updates in line with developments in all aspects of life. Changes and improvements in the world of education encompass various components, including teacher competence, educational quality, curriculum, infrastructure, educational management, as well as innovative teaching methods and strategies. The limitation of time in school often becomes the cause of restricted material delivered by teachers. Additionally, when teachers are unable to attend classes, it results in difficulties for students in accessing materials for learning. This system involves various inputs, such as student data, teacher data, class data, subject data, teaching schedule data, lesson material data, assignment data, student registration data, and assignment answer data. The outputs of this system include reports on student data, teacher data, classes, subjects, teaching schedules, lesson materials, assignment grades, and assignment grade data. This e-learning application is developed using the PHP programming language and utilizes the MySQL database in this Final Project.
Deteksi Kebocoran pada Pipa Natural Gas setelah Dilakukan Pengelasan dengan Menggunakan Metode Pneumatic Test di PT Unilever Oleochemical Indonesia Bambang Kurnia; Zulfan Zulfan; Joharsah Joharsah
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.7395

Abstract

Natural gas is an essential industrial fluid, and its distribution requires a pipeline system that is safe and leak-free. Leakage in natural gas pipelines remains a major concern, as it reduces public confidence in using gas for household purposes. Therefore, testing is conducted before the pipeline network is operated. One commonly used method to detect leaks is the Pneumatic Test, which evaluates the strength and integrity of pipes and their joints according to standards for polyethylene natural gas pipelines. This test uses compressed air supplied by a compressor, with pressure and temperature measured at the inlet pipe using a pressure gauge. The study found no pressure changes or leakage throughout the test. The calculated holding time required for the pneumatic procedure was 1 hour, 26 minutes, and 8 seconds. Non-Destructive Testing (NDT) results showed that: (a) at 50% of test pressure (approximately 10 bar), the pipe held for 15 minutes with no pressure drop; (b) at 75% (around 15 bar), pressure remained stable for 15 minutes; and (c) at 100% (20 bar), pressure was maintained for 75 minutes without loss. Welding was performed using Nikko Steel electrodes (2 mm × 300 mm, 50–80 A), supported by proper safety gear and tools, and a Riland welding machine with a 400-A capacity.
Co-Authors . Zulfan Tumini Tumini