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All Journal Jurnal Teknoin J@TI (TEKNIK INDUSTRI) Industrial and Systems Engineering Assessment Journal (INASEA) JURNAL ELEKTRO Jurnal Perkotaan Jurnal Ilmiah Teknik Industri Resona : Jurnal Ilmiah Pengabdian Masyarakat JIEMS (Journal of Industrial Engineering and Management Systems) SABDAMAS Prosiding Seri Seminar Nasional Madani : Jurnal Pengabdian Kepada Masyarakat Proceeding Mercu Buana Conference on Industrial Engineering Jurnal Pengabdian Masyarakat Charitas Metris: Jurnal Sains dan Teknologi Widya Teknik
Trifenaus Prabu Hidayat
Universitas Katolik Indonesia Atma Jaya
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

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Evaluasi Pelaksanaan Cement Treated Sub-base (CTSB) Pada Proyek Peningkatan Jalan Sukadana - Teluk Batang Marojahan Rajagukguk; Trifenaus Prabu Hidayat
Jurnal Perkotaan Vol. 16 No. 2 (2024): Desember 2024
Publisher : Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/perkotaan.v16i2.6214

Abstract

The Sukadana - Teluk Batang road section is a strategic provincial road in Kayong Utara Regency that faces pavement stability issues due to soft subgrade conditions. This research aims to analyze the effectiveness of implementing Cement Treated Sub-base (CTSB) technology with composite cement as an alternative solution for improving road pavement quality. The research methodology includes evaluation of existing conditions, CTSB pavement design planning, trial compaction implementation, and field performance testing and monitoring. The results showed that CTSB application with 10 passes achieved a density level of 98.50% and CBR value reaching 151.54%, far exceeding the specified minimum requirements. The unconfined compressive strength (UCS) value at 7 days reached 25.39 kg/cm², meeting the required strength criteria. Post-construction visual observations showed a homogeneous and stable road surface without indication of structural damage. This research proves that CTSB technology with composite cement is effective in improving subgrade bearing capacity and provides a sustainable solution for road infrastructure development in areas with soft soil characteristics.
Design and Analysis of Smart Laptop Table Production with an Ergonomic Approach and Minimalist Design Pratama, Oki; Prabu Hidayat, Trifenaus
Metris: Jurnal Sains dan Teknologi Vol. 26 No. 02 (2026): Desember
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v26i02.7378

Abstract

This study focuses on the design and development of a smart ergonomic laptop table with a modern and minimalist aesthetic to enhance user comfort and prevent musculoskeletal disorders during prolonged laptop use. Using the Stanford Design Thinking methodology, the research was conducted through six stages: empathize, define, ideate, prototype, test, and assessment. Data were collected from 26 respondents through surveys and interviews to identify key user needs, including adjustable height and tilt, integrated cooling pad, power socket, and portability. The prototype, constructed from Dutch teak wood and a hollow iron frame, was analyzed through stress, displacement, and strain simulations to ensure structural reliability and durability. The results demonstrated that the final design effectively supports ergonomic posture, reduces discomfort in the neck, back, shoulders, and wrists, and prevents repetitive strain injuries. Additionally, the product combines functional efficiency with an appealing minimalist appearance suitable for modern workspaces. The proposed design not only improves user well-being and productivity but also contributes to sustainable and space-efficient furniture innovation.
Co-Authors -, Denys Adiyatma Adiyatma Adrian Fortuna Setiawan Adrian, Bryan Adyatma Adyatma Anastasia Kristinawati Angelina, Cecilia Antonius, David Bachri, Karel Octavianus Br. Hutapea, Yulitari Flora Theresa Catherina Resmi Hapsari Catherine Williana Chendrasari Wahyu Oktavia Christine Natalia Christine Natalia Chyntia, Marcellina Enny Widawati Felix Eddy Sutoto Gabriella Ratna Widiastuti Gunawan, Harjadi Gunawan, Sebastian Hapsari, Catherina Resmi Heryanto, Timotius Hotma Antoni Hutahaean Inderawati, Maria Magdalena Wahyuni Indra Kusno Indriati, Kumala Jeassyca Ngaditeja Johandinata, Nicholas Leonardy Jordan Adrian Kartawidjaya, Maria Angela Leonardy Johandinata Manalu, Yohanes Yosua Lewi Maria Angela Kartawidjaja Maria Goretti Yostiana Putri Maria Magdalena Marojahan Rajagukguk Mekel, Bianca Milano, Yosephan Nasihardani, Dana Nicholas, Rio Wirawan Nur, Tajuddin Octaviani B.W., Sandra Pratama, Oki Pujianto, Hendri Redempta Aurelia Mentari Rio Wirawan Nicholas Rippun G.M., Ferry Ronald Sukwadi Sandra Octaviani Siagian, Vebryna Shaputri Silalahi, Agustinus Sugioko, Andre Surya, Andre Sutomo, Febryan Suwasto, Febian Tjahjadi, Fanny Wahju, Marsellinus Bachtiar Widiarto, Sandra Octaviani B. Williana, Catherine Wong, Felicitas Yanuwar, Aliffian Yulitari Flora Theresa Br. Hutapea