Yaskur, Gifa Nurlaila Putri (2025) Perencanaan Struktur Dermaga Curah Kering Dengan Kapasitas 80.000 DWT Di Kab. Pasuruan - Jawa Timur. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pasuruan berkembang menjadi salah satu kota industri terkemuka di Jawa Timur karena keberadaan beberapa kawasan industri. Namun, kawasan industri di Pasuruan tidak memiliki fasilitas dermaga yang memadai khususnya untuk kapal berkapasitas besar, salah satu kawasan industri di Kab. Pasuruan merencanakan bobot kapal yang akan bongkar muat adalah kapal dengan bobot kapasitas 80.000 DWT (agar sesuai dengan kebutuhan 80.000 DWT bahan baku gandum untuk indutri makanan tercukupi). Dermaga ini dilengkapi dengan fasilitas Port Crane Bulk Handling dengan kapasitas angkat hingga 80.000 DWT untuk mempermudah loading dan unloading barang. Serta dilengkapi struktur trestle sebagai akses dari dermaga menuju pusat industri. Dalam proyek akhir terapan ini, terdapat 2 struktur yang direncanakan diantaranya trestle sebagai jembatan penyambung antara daratan ke dermaga, dan loading platform itu sendiri sebagai penggerak segala kegiatan bongkar muat barang. Perencanaan diawali dengan pengumpulan data, kemudian dilanjutkan dengan preliminary design struktur loading platform dan trestle, serta menghitung pembebanan yang bekerja pada struktur tersebut. Selanjutnya dilakukan penentuan struktur sekunder, yaitu fender dan bollard. Setelah seluruh elemen ditetapkan, analisis struktur dilakukan dengan software pada SAP 2000. Berdasarkan hasil analisis tersebut, dilakukan perhitungan tulangan untuk struktur atas dan struktur bawah. Kemudian merencanakan metode pelaksanaan pemancangan dermaga serta membuat gambar teknis. Hasil perencanaan layout dermaga dengan bobot kapal rencana 80.000 DWT diperoleh ukuran loading platform sebesar 268 x 33 m 2, berada diposisi seabed -16m. Berdasarkan analisa struktur direncanakan dimensi B1 (balok crane dermaga 140 cm x 100 cm), B2 (balok memanjang 120 cm x 80 cm), B3 (balok melintang dermaga 80 cm x 60 cm), B4 (balok tepi 60 cm x 40 cm), B5(balok memanjang trestle 80 cm x 60 cm), (B6) balok melintang 80 x 60 cm, dan B7(balok tepi 60 cm x 40 cm). Untuk dimensi Pile cap direncanakan 3100 x 3100 x 1500 mm pada loading platform dan 2000 x 2000 x 1200 mm pada trestle, Sedangkan ukuran tiang pancang yang digunakan diameter 1016 tebal 18 mm pada loading platform dan 660,4 tebal 10 mm pada trestle.
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Pasuruan has developed into one of the leading industrial cities in East Java due to the presence of several industrial zones. However, the industrial areas in Pasuruan currently lack adequate jetty facilities, particularly for large-capacity vessels. One of the industrial zones in Pasuruan Regency plans to accommodate ships with a deadweight capacity of 80,000 DWT, in order to meet the industrial demand for 80,000 DWT of wheat raw material for the food sector. This jetty is equipped with a Port Crane Bulk Handling system with a lifting capacity of up to 80,000 DWT to facilitate the loading and unloading of goods, and also features a trestle structure as an access route from the jetty to the industrial center. In this applied final project, there are two structures analyzed, namely the trestle as a connecting bridge between the mainland and the jetty, and the loading platform itself as the core facility for cargo handling activities. The planning begins with data collection, followed by the preliminary design of the loading platform and trestle structures, along with load calculations acting on these structures. Subsequently, secondary structures such as fenders and bollards are determined. After all structural elements have been defined, structural analysis is carried out using SAP2000 software. Based on the results of the analysis, reinforcement calculations are performed for both the superstructure and the substructure. The next step includes planning the pile-driving method for the jetty and preparing the technical drawings. The jetty layout planning for vessels with a design capacity of 80,000 DWT results in a loading platform dimension of 268 x 33 m², located at a seabed elevation of -16 meters. Based on the structural analysis, the beam dimensions are planned as follows: B1 (jetty crane beam) 140 cm x 100 cm, B2 (longitudinal beam) 120 cm x 80 cm, B3 (transverse jetty beam) 80 cm x 60 cm, B4 (edge beam) 60 cm x 40 cm, B5 (trestle longitudinal beam) 80 cm x 60 cm, B6 (trestle transverse beam) 80 cm x 60 cm, and B7 (trestle edge beam) 60 cm x 40 cm. The pile cap dimensions are designed to be 3100 x 3100 x 1500 mm on the loading platform and 2000 x 2000 x 1200 mm on the trestle. Meanwhile, the pile specifications used are 1016 mm in diameter with 18 mm thickness on the loading platform, and 660.4 mm in diameter with 10 mm thickness on the trestle.
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