Analisis Lokal Komponen Struktur Jacket Tiga Kaki Akibat Tabrakan Kapal

Sukarsa, Adinda Anggraeni Rahmawati (2024) Analisis Lokal Komponen Struktur Jacket Tiga Kaki Akibat Tabrakan Kapal. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Sejak tahun 1996 hingga akhir tahun 2015, Health and Safety Executive Liverpool John Moores University mencatat sebanyak 176 insiden kecelakaan yang terjadi akibat tabrakan antara kapal saat beroperasi dengan jacket platform. Dibutuhkan struktur jacket platform yang mampu menahan beban kecelakaan yang tidak dapat diprediksi seperti adanya kemungkinan tabrakan antara kapal dengan struktur platform. Struktur boatlanding harus dirancang sedemikian rupa agar mampu menyerap energi akibat tabrakan kapal dengan struktur platform. Pada penelitian ini dilakukan analisis tabrakan kapal dengan struktur boatlanding yang bertujuan untuk memeriksa kekuatan struktur terkait untuk menahan beban yang mungkin terjadi selama benturan kapal pada boatlanding. Analisis dilakukan menggunakan perangkat lunak SACS 16.0 melalui static plastic collapse. Pada kondisi operasi saat tabrakan broadside terjadi tegangan maksimum sebesar 310 MPa, dan pada tabrakan bow/stern terjadi tegangan maksimum sebesar 9743 MPa. Kondisi paling kritis terjadi pada tabrakan stern di minimum water depth yang mengakibatkan kerusakan pada bagian struktur boatlanding. Kondisi paling kritis tersebut selanjutnya dilakukan analisis lokal guna mengetahui deformasi dan tegangan secara lokal pada bagian terdampak. Didapatkan deformasi plastis maksimum sebesar 10 mm dan tegangan von mises maksimum sebesar 415 MPa
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From 1996 to the end of 2015, the Health and Safety Executive of Liverpool John Moores University recorded a total of 176 accident incidents resulting from collisions between ships during operations with jacket platforms. A jacket platform structure capable of withstanding unforeseen accident loads, such as potential ship collisions with the platform structure, is essential. The boatlanding structure must be designed to absorb energy from ship collisions with the platform structure. This study analyzes ship collisions with the boatlanding structure to examine its strength capacity in resisting potential loads during ship impacts on the boatlanding. The analysis was performed using SACS 16.0 software employing static plastic collapse analysis. Under broadside collision conditions during operations, maximum stress reached 310 MPa, while bow/stern collisions saw maximum stress up to 9743 MPa. The most critical condition occurred during stern collision at minimum water depth, resulting in damage to the boatlanding structure. Subsequently, a localized analysis was conducted to assess deformation and stress specifically in the affected area. Maximum plastic deformation observed was 10 mm with maximum von mises stress reaching 415 MPa

Item Type:	Thesis (Other)
Uncontrolled Keywords:	boatlanding, ship impact, deformasi, analisis lokal, local analysis
Subjects:	T Technology > TC Hydraulic engineering. Ocean engineering T Technology > TC Hydraulic engineering. Ocean engineering > TC1680 Offshore structures
Divisions:	Faculty of Marine Technology (MARTECH) > Ocean Engineering > 38201-(S1) Undergraduate Thesis
Depositing User:	Adinda Anggraeni Rahmawati Sukarsa
Date Deposited:	25 Jul 2024 04:31
Last Modified:	25 Jul 2024 04:31
URI:	http://repository.its.ac.id/id/eprint/108867

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