Analisa Teknik Dan Ekonomi Perancangan Konstruksi Rampdoor Pada Kapal RORO Barge

Prambudi, Bagus (2018) Analisa Teknik Dan Ekonomi Perancangan Konstruksi Rampdoor Pada Kapal RORO Barge. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Dalam sebuah sistem konstruksi, kekuatan merupakan struktur terpenting dalam sebuah kapal untuk menjamin keselamatan awak kapal, penumpang dan muatannya. Untuk akses masuk dan keluarnya kendaraan beserta muatan pada kapal Ro-Ro barge melalui rampdoor. Sehingga, konstruksi rampdoor menerima beban kerja saat pengopersaiannya yang akan menimbulkan masalah seperti deformasi, keretakan dan lain-lain Penelitian ini bertujuan untuk mendapatkan pilihan alternatif desain rampdoor yang memenuhi kriteria secara teknik maupun ekonomi, sehingga dibuat dua alternatif perancangan rampdoor alternatif A dengan tipe rampdoor tidak lipat dan alternatif B tipe rampdoor lipat. Dalam melakukan analisa teknik dan strength criteria berdasarkan rules BKI, nilai strength criteria yang dijinkan BKI untuk σmaks sebesar 124 N/mm2 dan τmaks sebesar 82.17 N/mm2. Dalam perhitungan pemilihan profil konstruksi, dilakukan dua metode perhitungan manual dan menggunakan software SAP 2000 V.19 berbasis metode Finite Element Method (FEM). Hasil perhitungan σmaks dan τmaks yang terjadi tidak boleh melebih aturan BKI. Analisa ekonomi dilakukan dengan metode kelayakan investasi berdasarkan Net Present Value dengan suku Bunga kredit bank BTN sebesar 11%. Dalam proses analisa didapatkan dua model rampdoor yang memenuhi kriteria teknik dan ekonomi yaitu Rampdoor Alternatif A tipe A3 dengan nilai σmaks = 83.784 N/mm2 dan τmaks = 39.129 N/mm2 serta nilai Investasi sebesar Rp. 228,982,692.00 dan NPV sebesar Rp. 395,892,581.50. untuk Rampdoor Alternatif B tipe B1 dengan nilai σmaks = 86.435 N/mm2 dan τmaks = 39.924 N/mm2 serta nilai Investasi sebesar Rp. 262,394,956.80 dan NPV sebesar Rp. 453,659,688.92. ==================================================================================================== In a construction system, strength is the most important structure in a ship because the function of the structure is to ensure the safety of the crew, passengers and cargo. For access to enterance and exit of the vehicle along with a payload on the Ro-Ro barge ship via the rampdoor. Thus, the rampdoor construction receives the workload during its dispersion which will cause problems such as deformation, cracking and so on. This research aims to get the alternative choice of rampdoor design that meets the criteria technically and economically, so that made two alternative design rampdoor alternative A with not folding rampdoor type and alternative B folding rampdoor type. In performing technical analysis and strength criteria based on BKI rules, the strength value criteria allowed by BKI to σmax of 124 N / mm2 and τmax of 82.17 N /mm2. In the calculation of the selection of construction profiles, two manual calculations are performed and using SAP 2000 V.19 software based on the Finite Element Method (FEM). The calculation result σmax and τmaks that happened should not exceed the rules of BKI. Economic analysis is done by feasibility method of investment based on Net Present Value with interest rate of bank credit of BTN equal to 11%. In the analysis process obtained two rampdoor models that meet the technical and economic criteria are Rampdoor Alternative A type A3 with value σmax = 83.784 N/mm2 and τmax= 39.129 N/mm2 and Investment value of Rp. 228,982,692.00 and NPV of Rp 395,892,581.50. Rampdoor Alternative B type B1 with value σmax = 86.435 N/mm2 and τmax= 39.924 N/mm2 and Investment value of Rp. 262,394,956.80 and NPV of Rp. 453,659,688.92.

Item Type: Thesis (Undergraduate)
Additional Information: RSSP 623.829 Pra a-1 3100018074650
Uncontrolled Keywords: Ro-ro Ship, Construction,Maximum Bending Sress, Maximum Shear Stress, BKI-Strength Criteria, NPV
Subjects: V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering > VM297 Ships Designs and drawings
Divisions: Faculty of Marine Technology (MARTECH) > Marine Engineering > 36202-(S1) Undergraduate Thesis
Depositing User: PRAMBUDI BAGUS
Date Deposited: 27 Mar 2018 03:23
Last Modified: 24 Sep 2020 01:50
URI: https://repository.its.ac.id/id/eprint/50164

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