Vol. 58 No. 1 (2026): Vol. 58 No. 1(2026): February

DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1
Published: 2025-12-10

Articles

  • Analysis of Gravity Data for Basement Depth Estimation of the Western Part of Java Island, Indonesia

    DOI : 10.5614/j.eng.technol.sci.2026.58.1.1
    Riski Ananda (1), Na'ila Yuni Azhari (2), Tony Rahadinata (3), Hendra Grandis (4)
    (1) Graduate Program in Geophysical Engineering, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa 10 Bandung 40132, , Indonesia ,
    (2) Graduate Program in Geophysical Engineering, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa 10 Bandung 40132, Indonesia ,
    (3) Graduate Program in Geothermal Engineering, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa 10 Bandung 40132, Indonesia ,
    (4) Center for Mineral Coal and Geothermal Resources, Geological Agency, Ministry of Energy and Mineral Resources Indonesia, Jalan Soekarno-Hatta 576 Bandung 40286, , Indonesia
    1-16
    Abstract : 1145
    PDF : 580
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.1

  • Dynamic Modeling and Response Characteristics Analysis in High-Temperature Melting and Rolling Process of Laminated Steel

    DOI : 10.5614/j.eng.technol.sci.2026.58.1.2
    Yanli Xin (1), Zhiying Gao (2), Xiaoyong Wang (3), Qingdong Zhang (4), Xiaomin Zhou (5)
    (1) School of Mechanical Engineering, University of Science and Technology Beijing, No.30 Xueyuan Road, Haidian District, Beijing 100083, China ,
    (2) School of Mechanical Engineering, University of Science and Technology Beijing, No.30 Xueyuan Road, Haidian District, Beijing 100083, China ,
    (3) School of Mechanical Engineering, University of Science and Technology Beijing, No.30 Xueyuan Road, Haidian District, Beijing 100083, China ,
    (4) School of Mechanical Engineering, University of Science and Technology Beijing, No.30 Xueyuan Road, Haidian District, Beijing 100083, China ,
    (5) School of Mechanical Engineering, University of Science and Technology Beijing, No.30 Xueyuan Road, Haidian District, Beijing 100083, China
    17-30
    Abstract : 728
    PDF : 195
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.2

  • Emissions Analysis of Railway Transportation in Java Island Indonesia for Climate Change Mitigation – Study Case in 2023

    DOI : 10.5614/j.eng.technol.sci.2026.58.1.3
    Emilya Nurjani (1), Bernadetta Indri Dwi Astuti (2), Anugrah Jorgi Firmansyah (3), Annisa Ayu Fawzia (4), Andung Bayu Sekaranom (5), Utia Suarma (6)
    (1) Departement of Environmental Geography, Faculty of Geography, Universitas Gadjah Mada, Kaliurang Street, Sekip Utara, Sinduadi, Mlati, Sleman, Daerah Istimewa Yogyakarta 55281, Indonesia ,
    (2) Master Program in Geography, Faculty of Geography, Universitas Gadjah Mada, Kaliurang Street, Sekip Utara, Sinduadi, Mlati, Sleman, Daerah Istimewa Yogyakarta 55281, Indonesia ,
    (3) Master Program in Geography, Faculty of Geography, Universitas Gadjah Mada, Kaliurang Street, Sekip Utara, Sinduadi, Mlati, Sleman, Daerah Istimewa Yogyakarta 55281, Indonesia ,
    (4) Master Progam in Environmental Science, Postgraduate School, Universitas Gadjah Mada, Teknika Utara Street, Pogung Kidul, Sinduadi, Mlati, Sleman, Daerah Istimewa Yogyakarta 55284, Indonesia ,
    (5) Departement of Environmental Geography, Faculty of Geography, Universitas Gadjah Mada, Kaliurang Street, Sekip Utara, Sinduadi, Mlati, Sleman, Daerah Istimewa Yogyakarta 55281, , Indonesia ,
    (6) Departement of Environmental Geography, Faculty of Geography, Universitas Gadjah Mada, Kaliurang Street, Sekip Utara, Sinduadi, Mlati, Sleman, Daerah Istimewa Yogyakarta 55281, , Indonesia
    31-46
    Abstract : 701
    PDF : 454
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.3

  • Effect of Bolting on the Face of a Crushed Soft Rock Tunnel

    DOI : 10.5614/j.eng.technol.sci.2026.58.1.4
    Lei Chen (1), Yuxuan Cao (2), Tongkai Wen (3), Haobin Zhang (4), Zhanping Song (5)
    (1) CSCEC International, Suzhou High-tech Zone 215163, China ,
    (2) China Construction Third Engineering Bureau Group Co., Ltd. Wuhan Wuchang District 430073, , China ,
    (3) China Construction Seventh Engineering Division Corp., Ltd. Zhengzhou Economic Development Zone 450048, , China ,
    (4) College of Resource Engineering, Xi'an University of Architecture and Technology, Xi 'an Beilin District 710055, , China ,
    (5) School of Civil Engineering, Xi'an University of Architecture and Technology, Xi 'an Beilin District 710055, , China
    47-57
    Abstract : 470
    PDF : 155
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.4

  • The Behavior of Glued-in Threaded Steel Rod Joints in Bangkirai Timber Beams under Flexural Loading: Experimental and Numerical Investigations

    DOI : 10.5614/j.eng.technol.sci.2026.58.1.5
    Ali Awaludin (1), Miqdad Khosyi Akbar (2)
    (1) Department of Civil & Environmental Engineering, Faculty of Engineering, Gadjah Mada University, Jalan Grafika No. 2, Kampus UGM, Yogyakarta 55281, Indonesia ,
    (2) Former Graduate Student, Department of Civil Engineering, Faculty of Engineering, Gadjah Mada University, Jalan Grafika No. 2, Kampus UGM, Yogyakarta 55281, , Indonesia
    58-70
    Abstract : 508
    PDF : 273
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.5

  • Comparative Study of the Single and Double-Stage Thermochemical Pretreatment of Gracilaria sp. for Biogas Feedstock

    DOI : 10.5614/j.eng.technol.sci.2026.58.1.6
    Elli Prastyo (1), Rochim Bakti Cahyono (2), Lisendra Marbelia (3), Wiratni Budhijanto (4)
    (1) Department of Chemical Engineering, Faculty of Engineering, Universitas Gadjah Mada, Jalan Grafika 2, Yogyakarta 55281, , Indonesia ,
    (2) Department of Chemical Engineering, Faculty of Engineering, Universitas Gadjah Mada, Jalan Grafika 2, Yogyakarta 55281, , Indonesia ,
    (3) Bioprocess Engineering Research Group, Universitas Gadjah Mada, Jalan Grafika No. 2, Sleman, Yogyakarta 55281, Indonesia ,
    (4) Bioprocess Engineering Research Group, Universitas Gadjah Mada, Jalan Grafika No. 2, Sleman, Yogyakarta 55281, Indonesia
    71-85
    Abstract : 463
    PDF : 195
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.6

  • Harnessing Rotating Heat Pipes for Passive Electric Motor Cooling: Enhancing Electric Vehicle Efficiency

    DOI : 10.5614/j.eng.technol.sci.2028.58.1.7
    Yasmine Karenita Siregar (1), Khairu Rezqi (2), Gerardo Janitra Puriadi Putra (3), Andhy M Fathoni (4), Nandy Putra (5), Hairul Abral (6)
    (1) Applied Heat Transfer Research Group (AHTRG), Department of Mechanical Engineering, Universitas Indonesia, Jalan Prof. Dr. Sumitro Djojohadikusumo, Kampus UI, Depok 16424, Indonesia ,
    (2) Applied Heat Transfer Research Group (AHTRG), Department of Mechanical Engineering, Universitas Indonesia, Jalan Prof. Dr. Sumitro Djojohadikusumo, Kampus UI, Depok 16424, Indonesia ,
    (3) Applied Heat Transfer Research Group (AHTRG), Department of Mechanical Engineering, Universitas Indonesia, Jalan Prof. Dr. Sumitro Djojohadikusumo, Kampus UI, Depok 16424, Indonesia ,
    (4) Applied Heat Transfer Research Group (AHTRG), Department of Mechanical Engineering, Universitas Indonesia, Jalan Prof. Dr. Sumitro Djojohadikusumo, Kampus UI, Depok 16424, , Indonesia ,
    (5) Applied Heat Transfer Research Group (AHTRG), Department of Mechanical Engineering, Universitas Indonesia, Jalan Prof. Dr. Sumitro Djojohadikusumo, Kampus UI, Depok 16424, , Indonesia ,
    (6) Laboratory of Nanoscience and Technology, Department of Mechanical Engineering Universitas Andalas Padang, Jalan Limau Manis, Padang 25163, Indonesia
    86-100
    Abstract : 593
    PDF : 327
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2028.58.1.7

  • Performance of Geopolymer Concrete Deep Beams with Variation in Shear Reinforcement Ratio

    DOI : 10.5614/j.eng.technol.sci.2026.58.1.8
    Rifkah (1), Saloma (2), Siti Aisyah Nurjannah (3), Anis Saggaff (4)
    (1) Engineering Science, Doctoral Program, Faculty of Engineering, Universitas Sriwijaya, Jalan Palembang–Prabumulih KM 32, Indralaya, Ogan Ilir 30662, , Indonesia ,
    (2) Departement of Civil Engineering, Faculty of Engineering, Universitas Sriwijaya, Jalan Palembang–Prabumulih KM 32, Indralaya, Ogan Ilir 30662, , Indonesia ,
    (3) Departement of Civil Engineering, Faculty of Engineering, Universitas Sriwijaya, Jalan Palembang–Prabumulih KM 32, Indralaya, Ogan Ilir 30662, , Indonesia ,
    (4) Departement of Civil Engineering, Faculty of Engineering, Universitas Sriwijaya, Jalan Palembang–Prabumulih KM 32, Indralaya, Ogan Ilir 30662, , Indonesia
    101-120
    Abstract : 498
    PDF : 226
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.8

  • New Insights into Active Faulting in Sulawesi, Indonesia

    DOI : 10.5614/j.eng.technol.sci.2026.58.1.9
    Adi Patria (1), Adept Titu-Eki (2), Mudrik Rahmawan Daryono (3)
    (1) Research Center for Geological Disaster, National Research and Innovation Agency (BRIN), Jalan Sangkuriang, Bandung, 40135, Indonesia ,
    (2) Department of Mining Engineering, University of Nusa Cendana, Jalan Adisucipto, Penfui, Kupang, 85228, Indonesia ,
    (3) Research Center for Geological Disaster, National Research and Innovation Agency (BRIN), Jalan Sangkuriang, Bandung, 40135, Indonesia
    121-138
    Abstract : 917
    PDF : 279
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.9

  • Investigating the Impact of GGBS and FA as Partial Replacements and PVA Addition on Mechanical Properties of Cement Mortar

    DOI : 10.5614/j.eng.technol.sci.2026.58.1.10
    Ali Flayyih (1), Khalid Owaid (2)
    (1) Materials Engineering Department, Engineering College, Mustansiriyah University, Iraq ,
    (2) Materials Engineering Department, Engineering College, Mustansiriyah University, Iraq
    139-147
    Abstract : 458
    PDF : 171
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.10