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All Journal TEKNIK KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan GEMA TEKNOLOGI INOVTEK POLBENG International Journal of Marine Engineering Innovation and Research Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Jurnal Pengabdian Masyarakat Hasanuddin (JPMH) Jurnal Pengabdian Vokasi Makara Journal of Technology Indonesian Journal of Maritime Technology or abbreviated (ISMATECH) Mein: Journal of Mechanical, Electrical & Industrial Technology
Zulfaidah Ariany
Program Studi Diploma Teknik Perkapalan, Fakultas Teknik, Universitas Diponegoro Jl. Prof. Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia 50275
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Evaluation of Longitudinal Strength of a Cargo Barge Based on Shear Force and Still Water Bending Moment under Various Loading Conditions Santoso, Budhi; Romadhoni, Romadhoni; Jamal, Jamal; Nusyirwan, Deny; Abdurrahman, Naufal; Ariany, Zulfaidah
Indonesian Journal of Maritime Technology Vol. 4 No. 1 (2026): Volume 4 Issue 1, June 2026
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v4i1.8481958

Abstract

Longitudinal strength is a fundamental aspect of barge structural safety because variations in loading magnitude and load position may significantly affect the global hull girder response. This study evaluates the longitudinal strength of a cargo barge based on shear force and still water bending moment under several loading conditions, with reference to the applicable BKI Rules for longitudinal strength assessment. The object of the study is a cargo barge with principal dimensions of 330 ft × 90 ft × 21 ft and a lightship weight of 1802.9 metric tons. Six loading conditions were investigated, namely lightship, fully loaded, partially loaded at 50% with homogeneously distributed cargo, and three crane-shift positions at the aft, midship, and fore sections. The net load distribution was obtained from the difference between distributed weight and buoyancy, and then integrated to determine the shear force and still water bending moment along the hull. The results show that the fully loaded condition produced the most critical structural response, with a maximum shear force of 0.385 × 10³ metric tons at Frame 50 and a maximum still water bending moment of -6.212 × 10³ metric ton·m at Frame 35, indicating a dominant sagging condition. The governing case reached only 32.49% of the allowable shear force and 33.58% of the allowable still water bending moment, confirming a substantial safety margin. The crane-shift analysis further demonstrates that movable concentrated loads can shift critical internal force locations, which may be overlooked in standard cargo distribution analysis. All evaluated loading conditions remained below the permissible limits, indicating that the barge is structurally acceptable under the investigated still-water loading scenarios.
Co-Authors A Hendra, A Abdul Syakur Abdurrahman, Naufal Adi Kurniawan Yusim Aisy, Jasmine Rikhdatul Amelia Ayuningtyas, Amelia Budhi Santoso Budi Utomo Dwi Budi Santoso Endang Sri Lestari Fahmi Arifan Febriary, Samual Hardiyanto I Made Aditya Dharma Putra, Binti Mualifatul R, S.Si, M.Si, Rona Riantini, S.T, M.Sc Jamal Jamal Kania, Adira M. Sawal Baital Mohd Ridwan Muhammad Ridwan Nandhika, Wanda Mudya Nurhadi Bashit Polaris Nasution Prasetyo, Nauval Abdurrahman Romadhoni Romadhoni Romadhoni, Romadhoni Santoso, Budhi Sarwoko Sarwoko Satria, Komang David Adi Siti Susanti Siti Susanti, Siti Solichin Djazuli Sa'id Suharto Suharto Tampubolon, Mikhael Fernandus Wiediartini Wiediartini Yusim, Adi Kurniawan Zuhroh, Ervira Fatimatuz