Evaluasi Struktur Dermaga Pracetak Curah Kering Akibat Peningkatan Kapasitas Kapal Di Pelabuhan Java Integrated Industrial And Port Estate (JIIPE) Gresik, Jawa Timur

Wahyugo, Adetiasyah Caesar (2025) Evaluasi Struktur Dermaga Pracetak Curah Kering Akibat Peningkatan Kapasitas Kapal Di Pelabuhan Java Integrated Industrial And Port Estate (JIIPE) Gresik, Jawa Timur. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Dermaga JIIPE PT. Berlian Manyar Sejahtera berfungsi sebagai gerbang utama aktivitas bongkar muat barang. Seiring dengan meningkatnya volume perdagangan dan kebutuhan transportasi laut, dermaga eksisting dengan kapasitas 10.000 DWT perlu dikaji ulang untuk mengetahui batas atau sejauh mana struktur dermaga mampu menerima beban maksimum.
Metodologi yang diterapkan dimulai dari studi literatur, pengumpulan data, dilanjutkan analisan dan perhitungan struktur eksisting dermaga dengan bantuan software SAP2000. Apabila hasil dari kontrol kinerja dan kapasitas struktur eksisting memenuhi maka dilakukan peningkatan bobot kapal rencana 20.000 DWT hingga 40.000 DWT. Parameter teknis yang dikaji dalam evaluasi ini meliputi kondisi dasar laut (seabed), panjang dan dimensi struktur, kapasitas elemen beton, stress ratio pada elemen tiang pancang, serta fasilitas tambat dan fender. Dari hasil simulasi kapasitas bobot kapal dapat disimpulkan batas aman maksimum yang mampu ditahan.
Penelitian ini mengevaluasi kapasitas struktur dermaga terhadap peningkatan beban kapal dari 10.000 DWT hingga 40.000 DWT. Hasil analisis menunjukkan bahwa struktur balok, half slab, dan pile cap masih aman hingga 30.000 DWT. Namun, pada 40.000 DWT terjadi kegagalan struktur akibat momen lentur yang melebihi kapasitas nominal, defleksi tiang pancang melampaui batas, serta stress ratio 1,37 yang melebihi nilai aman. Kapasitas maksimum dermaga dinyatakan aman hingga 30.000 DWT. Peningkatan kapasitas kapal juga memerlukan penggantian fender dan pengerukan seabed hingga 2 meter untuk kapal 30.000 DWT. Analisis stabilitas tanah dengan plaxis menunjukkan nilai safety factor sebesar 1,67 menandakan kondisi tanah cukup aman. Volume pengerukan yang dibutuhkan sebesar 63.605,5 m³.
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The JIIPE Pier at PT. BMS serves as the main gateway for loading and unloading activities. With increasing trade volume and maritime transportation needs, the existing pier, with a capacity of 10,000 DWT, needs to be reassessed to determine the limits or extent to which the pier structure can support maximum loads.
The methodology applied starts with literature study, data collection, followed by analysis and calculation of the existing dock structure with the help of SAP2000 software. If the results of the performance control and the capacity of the existing structure meet the requirements, the planned ship weight will be increased from 20.000 DWT to 40.000 DWT. The technical parameters studied in this evaluation include seabed conditions, length and dimensions of the structure, capacity of concrete elements, stress ratio on pile elements, and mooring and fender facilities. From the results of the ship weight capacity simulation, it can be concluded that the maximum safe limit that can be supported.
This study evaluated the capacity of the dock structure to increase ship loads from 10.000 DWT to 40.000 DWT. The analysis results showed that the beam, half slab, and pile cap structures were still safe up to 30.000 DWT. However, at 40.000 DWT, structural failure occurred due to bending moments exceeding the nominal capacity, pile deflection exceeding the limit, and a stress ratio of 1,37 which exceeded the safe value. The maximum capacity of the dock was declared safe up to 30.000 DWT. The increase in ship capacity also required fender replacement and seabed dredging up to 2 meters for ships of 30.000 and 40.000 DWT. Soil stability analysis using Plaxis showed a safety factor of 1,67 indicating that the soil condition was quite safe. The required dredging volume was 63.605,5 m³.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Dermaga, Evaluasi Struktur, Kapasitas Penampang, Peningkatan Beban Kapal,Jetty, Structural Evaluation, Cross-Section Capacity, Ship Load Increase
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA658 Structural design T Technology > TA Engineering (General). Civil engineering (General) > TA683 Precast concrete construction. Prestressed concrete construction.
Divisions:	Faculty of Vocational > Civil Infrastructure Engineering (D4)
Depositing User:	Adetiasyah Caesar Wahyugo
Date Deposited:	01 Aug 2025 08:14
Last Modified:	01 Aug 2025 08:14
URI:	http://repository.its.ac.id/id/eprint/125891

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