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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Jurnal Teknik Sipil Warta Ardhia : Jurnal Perhubungan Udara IJOCE (International Journal of Offshore and Coastal Engineering) Wave: Jurnal Ilmiah Teknologi Maritim JURNAL TEKNIK HIDRAULIK International Journal of Marine Engineering Innovation and Research Sewagati
Eko Budi Djatmiko
Institut Teknologi Sepuluh Nopember, Surabaya
Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Operability Analysis During Topside Platform Removal with Dynamic Method Due to Wave Load Al Amin, Muhammad Zakaria; Murdjito; Djatmiko, Eko Budi; Rachmadiarto, Fajar
International Journal of Offshore and Coastal Engineering Vol. 9 No. 2 (2025):
Publisher : Department of Ocean Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962//j225800914.v9i2.8929

Abstract

Topside removal is one of the main activities in the offshore platform decommissioning process, with one of the methods in this process being reverse installation-single lift. Corrosion, one of the common problem factors in steel structures, is used as a parameter to reduce the strength of topside structures. In the structural strength analysis with a thickness reduction of 1.5mm, the maximum unity check values for members and joints are 0.854 and 0.602, respectively. Meanwhile, the dynamic analysis results show that the hoisting line and sling tension increase with increasing wave height and period. The response to increasing tension due to wave loads increases exponentially. The beam seas loading direction produces the highest tension response due to the roll motion response to the crane barge. The shortest hoisting line influences tension due to the higher stiffness value, which results in velocity and acceleration in the topside movement as a pendulum, thereby increasing the snap force. This pattern also applies to the dynamic amplification factor (DAF) and factor of safety (FOS) sling values. The distribution fitting results on the DAF value, 3-Parameter Lognormal, is the correct distribution model with a correlation value 0.999. So, the operational operability in the range of conditions for this research model is 89.4%.
Co-Authors Abdul Ghofur Abi Latiful Hakim Aditya Hidayatullah Al Amin, Muhammad Zakaria Alit Winiscoyo Angga S. Pambudi Arda Arda Ari Rizki Rivaldo Asmajuna, Helmi Arif Aulia Siti Aisjah Baharuddin Ali Billy Teguh kurniawan Cendrawani Cendrawani Dewinta Putri Cahyaningtyas Eka Wahyu Ardi Erdina Arianti Erwandi Erwandi Hafizh Muhammad Naufal Shidqi Haryo Dwito Armono Helmi Arif Asmajuna Heri Supomo Ignasius Krisna Armanda Jusuf Sutomo Khoiron Syamdatu Perdana Kunthi U.D. Prabawani Kurniati, Nani Madea Eka Silfiani Mahmud Mustain Mas Murtedjo Maulinna Kusumo Wardhani, Maulinna Kusumo Mirba H. Dwi Sa'dyah Mochamad Hanif Rafi’i Mochammad Afif Zahiru Fajar Muhamad Fadkhurrohman Aziz Muhammad Badrus Zaman Muhammad Badrus Zaman Muhammad Fajariansyah Ismail Murdjito Murdjito Murdjito Djatmiko Murdjito Murdjito Murdjito Prastianto Norman Mahdar Sabana Nur Kholis Nur Syahroni Nurman Firdaus Firdaus Octaviani, Maulidya Permana, Rizki Dian Pravitasari, Inneke Yulistanty Rachmadiarto, Fajar Rafliansyah Azhar Putera Revy Maghriza Riza Aris Hikmadiyar Rizki Haryono A. Rizky Arrico Farhan Rochani, Imam Rosyid, Daniel Mohammad Rudi Walujo Prastianto Sayuti Syamsuar Setyo Nugroho Setyo Nugroho Setyo Nugroho Setyo Nugroho Shade Rahmawati Subchan Subchan Sujantoko Sujantoko Supomo, Wikaranosa Wahyu Suryo Putro Wahyudi Wikaranosa Scotiandharu Supomo Wisnu Wardhana Wisnu Wardhana Wisnu Wardhana Wolfgang Busse Wolfgang Busse Wolfgang Busse Wolfgang Busse Yeyes Mulyadi Yunan Setiawan Suwandono