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Fatigue Evaluation of Steel Truss Arch Bridge Based on Traffic Load Simulation Using Weigh-in-Motion Data: Case Study of Rumpiang Bridge

DOI : 10.5614/j.eng.technol.sci.2024.56.6.7

Rio Pramana ⁽¹⁾, Ivan Sandi Darma ⁽²⁾

(1) Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia ,

(2) Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia

756-770

Abstract : 1026

PDF : 624

DOI : 10.5614/j.eng.technol.sci.2024.56.6.7

DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.6.7

Utilization of Syngas as Co-firing Fuel for Carbonization of Arabica Coffee Pulp

DOI : 10.5614/j.eng.technol.sci.2024.56.6.8

Rizqon Hasibuan ⁽¹⁾, Adi Setiawan ⁽²⁾, Faisal Faisal ⁽³⁾

(1) Magister Program in Renewable Energy, Faculty of Engineering, Universitas Malikussaleh, Jalan Batam Kampus Bukit Indah, Blang Pulo, Lhokseumawe, 24352, Aceh, Indonesia ,

(2) Department of Mechanical Engineering, Faculty of Engineering, Universitas Malikussaleh, Jalan Batam Kampus Bukit Indah, Blang Pulo, Lhokseumawe, 24352, Aceh, Indonesia ,

(3) Department of Mechanical Engineering, Faculty of Engineering, Universitas Malikussaleh, Jalan Batam Kampus Bukit Indah, Blang Pulo, Lhokseumawe, 24352, Aceh, Indonesia

771-780

Abstract : 914

PDF : 404

DOI : 10.5614/j.eng.technol.sci.2024.56.6.8

DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.6.8

A Cobalt-based Nanostructured Electrode Prepared by a Fast Chemical Method

DOI : 10.5614/j.eng.technol.sci.2025.57.2.4

Nuha A. Alhebshi ⁽¹⁾

(1) Department of Physics, Faculty of Science, Taibah University, Yanbu 46522, Saudi Arabia

187-195

Abstract : 905

PDF : 322

DOI : 10.5614/j.eng.technol.sci.2025.57.2.4

DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.2.4

Life Cycle Assessment of Decaffeinated Coffee Beans Production

DOI : 10.5614/j.eng.technol.sci.2025.57.3.3

Dian Shofinita ⁽¹⁾, Dianika Lestari ⁽²⁾, Fiorine Fiorine ⁽³⁾, Andreana Rochili ⁽⁴⁾, Anggit Raksajati ⁽⁵⁾, Amarthya Achmadi ⁽⁶⁾

(1) Department of Chemical Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,

(2) Department of Chemical Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,

(3) Department of Food Engineering, Institut Teknologi Bandung Jalan Let. Jen. Purn. Dr. (HC). Mashudi No. 1/ Jalan Raya Jatinangor KM 20,75, Sumedang 45363, Indonesia, Indonesia ,

(4) Department of Food Engineering, Institut Teknologi Bandung Jalan Let. Jen. Purn. Dr. (HC). Mashudi No. 1/ Jalan Raya Jatinangor KM 20,75, Sumedang 45363, Indonesia, Indonesia ,

(5) Department of Food Engineering, Institut Teknologi Bandung Jalan Let. Jen. Purn. Dr. (HC). Mashudi No. 1/ Jalan Raya Jatinangor KM 20,75, Sumedang 45363, Indonesia, Indonesia ,

(6) Department of Chemical Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia

315-326

Abstract : 1422

PDF : 838

DOI : 10.5614/j.eng.technol.sci.2025.57.3.3

DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.3.3

Electroencephalogram-Based Multi-Class Driver Fatigue Detection using Power Spectral Density and Lightweight Convolutional Neural Networks

DOI : 10.5614/j.eng.technol.sci.2025.57.4.2

Wiwit Suprihatiningsih ⁽¹⁾, Dedik Romahadi ⁽²⁾, Aberham Genetu Feleke ⁽³⁾

(1) Department of Mechanical Engineering, Universitas Mercu Buana, Jalan Raya Meruya Selatan 11650, Jakarta, Indonesia ,

(2) Department of Mechanical Engineering, Universitas Mercu Buana, Jalan Raya Meruya Selatan 11650, Jakarta, Indonesia ,

(3) School of Mechanical Engineering, Beijing Institute of Technology, No. 5 Zhongguancun South Street 100811, China

445-457

Abstract : 1334

PDF : 431

DOI : 10.5614/j.eng.technol.sci.2025.57.4.2

DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.4.2

Development of Solar-Powered Automatic Pest Trap for Rice Cultivation Plants in Indonesia

DOI : 10.5614/j.eng.technol.sci.2025.57.4.5

Mareli Telaumbanua ⁽¹⁾, Khusnul Khotimah ⁽²⁾, Febryan Kusuma Wisnu ⁽³⁾, Winda Rahmawati ⁽⁴⁾, Agus Haryanto ⁽⁵⁾, Raizummi Fil'aini ⁽⁶⁾

(1) Agricultural Engineering Department, Faculty of Agriculture, University of Lampung, Jalan Sumantri Brojonegoro, Bandar Lampung 35145, Indonesia ,

(2) Agricultural Engineering Department, Faculty of Agriculture, University of Lampung, Jalan Sumantri Brojonegoro, Bandar Lampung 35145, Indonesia ,

(3) Agricultural Engineering Department, Faculty of Agriculture, University of Lampung, Jalan Sumantri Brojonegoro, Bandar Lampung 35145, Indonesia ,

(4) , Indonesia ,

(5) Agricultural Engineering Department, Faculty of Agriculture, University of Lampung, Jalan Sumantri Brojonegoro, Bandar Lampung 35145, Indonesia ,

(6) Biosystem Engineering, Department of Production and Industry Technology, Institut Teknologi Sumatera, Jalan Terusan Ryucudu, Lampung Selatan 35365, Indonesia

492-504

Abstract : 1730

PDF : 735

DOI : 10.5614/j.eng.technol.sci.2025.57.4.5

DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.4.5

Modification of Polylactic Acid with Eggshell Filler as Biodegradable Composite

DOI : 10.5614/j.eng.technol.sci.2025.57.4.7

Nonni Soraya Sambudi ⁽¹⁾, Fitri Ayu Radini ⁽²⁾, Norashikin Ahmad Kamal ⁽³⁾, Norwahyu Jusoh ⁽⁴⁾

(1) Department of Chemical Engineering, Faculty of Industrial Technology, Universitas Pertamina, Simprug, Kec. Kby. Lama, Kota Jakarta Selatan, DKI Jakarta, 12220, Indonesia ,

(2) Research Centre for Polymer Technology, National Research and Innovation Agency, Gedung 460 Kawasan Sains dan Teknologi (KST) B.J. Habibie Setu, Tangerang Selatan, Banten, 15314, , Indonesia ,

(3) Faculty of Civil Engineering, Universiti Teknologi MARA , Jalan Ilmu 1/1, 40450, Shah Alam, Selangor, Malaysia ,

(4) Department of Chemical Engineering, Universiti Teknologi PETRONAS, Persiaran UTP, 32610, Seri Iskandar, Perak, , Malaysia

519-529

Abstract : 942

PDF : 388

DOI : 10.5614/j.eng.technol.sci.2025.57.4.7

DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.4.7

Facile and Environmentally Friendly Synthesis of Low-defect Few-Layers Graphene (FLG) Using Combined Shear Exfoliation Methods

DOI : 10.5614/j.eng.technol.sci.2025.57.5.4

Amun Amri ⁽¹⁾, Revika Wulandari ⁽²⁾, Dhina Fabryza ⁽³⁾, Sunarno Sunarno ⁽⁴⁾, Desi Heltina ⁽⁵⁾, Syaiful Bahri ⁽⁶⁾, Deki Sarma ⁽⁷⁾, Hussein A. Miran ⁽⁸⁾, M. Mahbubur Rahman ⁽⁹⁾, Mohammednoor Altarawneh ⁽¹⁰⁾, Zhong Tao Jiang ⁽¹¹⁾

(1) Department of Chemical Engineering, University of Riau, Pekanbaru, Riau, 28293, , Indonesia ,

(2) Department of Chemical Engineering, University of Riau, Pekanbaru, Riau, 28293, , Indonesia ,

(3) Department of Chemical Engineering, University of Riau, Pekanbaru, Riau, 28293, Indonesia , Indonesia ,

(4) Department of Chemical Engineering, University of Riau, Pekanbaru, Riau, 28293, Indonesia , Indonesia ,

(5) Department of Chemical Engineering, University of Riau, Pekanbaru, Riau, 28293, Indonesia , Indonesia ,

(6) Department of Chemical Engineering, University of Riau, Pekanbaru, Riau, 28293, Indonesia , Indonesia ,

(7) Department of Chemical Engineering, University of Riau, Pekanbaru, Riau, 28293, Indonesia , Indonesia ,

(8) Department of Physics, College of Education for Pure Science, Ibn Al-Haitham, University of Baghdad, Baghdad, 10071, , Iraq ,

(9) Department of Physics, Jahangirnagar University, Savar, Dhaka, 1342, , Bangladesh ,

(10) Department of Chemical and Petroleum Engineering, United Arab Emirates University, 15551, United , United Arab Emirates ,

(11) Surface Analysis and Materials Engineering Research Group, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia

613-626

Abstract : 869

PDF : 467

DOI : 10.5614/j.eng.technol.sci.2025.57.5.4

DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.5.4

Electrochemiluminescence sensor based on GDYO-QD@M-ZnO and its application in the detection of free radicals and antioxidants

DOI : 10.5614/j.eng.technol.sci.2025.57.6.7

Gang Tian ⁽¹⁾, Cong Yang ⁽²⁾, Yihang Tian ⁽³⁾, Zihuan Wang ⁽⁴⁾, Yannan Dang ⁽⁵⁾

(1) School of Chemical and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, China, China ,

(2) School of Chemical and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, China, China ,

(3) School of Chemical and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, China, China ,

(4) School of Chemical and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, China, China ,

(5) School of Chemical and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, China, China

831-843

Abstract : 513

PDF : 188

DOI : 10.5614/j.eng.technol.sci.2025.57.6.7

DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.6.7

Investigation of the Effect of Silica and Phosphorus Content on the Performance of Active Matrix as Component of Cracking Catalyst

DOI : 10.5614/j.eng.technol.sci.2024.56.2.3

Melia Laniwati Gunawan ⁽¹⁾, Carolus Borromeus Rasrendra ⁽²⁾, Candra Lutfi Widikrama ⁽³⁾, Rizky Gilang Kurniawan ⁽⁴⁾, Lita Marina Nisa ⁽⁵⁾, Farhansyah Yusuf Putra Hudaya ⁽⁶⁾, I G. B. N. Makertihartha ⁽⁷⁾, Subagjo Subagjo ⁽⁸⁾

(1) Dept. of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,

(2) Dept. of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,

(3) Dept. of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,

(4) Dept. of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,

(5) Dept. of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,

(6) Dept. of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,

(7) Dept. of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,

(8) Dept. of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia

205-218

Abstract : 835

PDF : 279

DOI : 10.5614/j.eng.technol.sci.2024.56.2.3

DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.2.3