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Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan
Published by Universitas Hasanuddin
ISSN : 27472124     EISSN : 27215717     DOI : 10.20956
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Energy Engineering Transportation
Dalam Pengembangan dan pengolahan SDA maritim memerlukan kerjasama multidisiplin ilmu, dimana kesemua disiplin ilmu tersebut berperan besar dalam menjadikan Indonesia sebagai poros maritim dunia. Oleh karena itu diperlukan inovasi dan sinergi untuk menghasilkan riset tentang teknologi kelautan oleh perguruan tinggi, lembaga-lembaga penelitian dan industri dapat memberikan kontribusi terhadap issue tersebut. Tujuan Zona Laut adalah sebagai wadah menyalurkan pemikiran, ide-ide cemerlang dan konstruktif komprehensif sehingga menjadi bagian usulan-usulan solusi bagi kemajuan pembangunan Sumber Daya Kelautan Indonesia. Topik-topik yang dapat diterbitkan Zona Laut ini adalah: 1. Teknologi dan Rekayasa Bangunan Lepas Pantai 2. Desain Produk Bangunan Perikanan dan Kelautan 3. Manajemen Transportasi Laut dan Aplikasi Teknologi Pelayaran 4. Energi Kelautan Terbarukan 5. Sistem dan Pengendalian Kelautan 6. Material Maju kelautan 7. Rekayasa dan Manajemen Kepelabuhanan serta Pengembangan Sumber Daya Pesisir 8. Oseanografi dan Keteknikpantaian 9. Kebencanaan Pantai dan Lingkungan Laut Jurnal ini diterbitkan oleh Departemen Teknik Kelautan, Fakultas Teknik, Universitas Hasanuddin pada bulan Maret, Juli dan Nopember setiap tahun. Naskah yang telah disetujui untuk diterbitkan telah ditinjau oleh pengulas dan abstrak bebas untuk diunduh melalui situs web kami.
Arjuna Subject : Teknik (semua kategori) - Teknik Kelautan
Articles 6 Documents
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Search results for , issue "Volume 1, Nomor 2, Edisi Juli 2020" : 6 Documents clear
Redaksi Zona Laut Volume 1, Nomor 2, Edisi Juli 2020 zonalaut, admin
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 1, Nomor 2, Edisi Juli 2020
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Zona Laut Editorial Vol. 1, No. 2, July 2020 Edition
Pengaruh Perbandingan Resin Dan Katalis Terhadap Kekuatan Tarik Komposit Fiberglass-Polyester Untuk Bahan Pembuatan Kapal Alamsyah Alamsyah; Taufik Hidayat; Arif Nur Iskandar
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 1, Nomor 2, Edisi Juli 2020
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v1i2.10760

Abstract

The use of fiberglass-based composites is often found in shipbuilding. However, the use of composites in the shipbuilding process does not yet have clear and standard quality standards regarding the ratio between the amount of resin and catalyst used. Meanwhile, the amount of use of resin and  atalyst has an influence on the strength of the fiber-reinforced composite. This study aims to determine the effect of the amount of catalyst mixed into the resin on the tensile strength of fiberglass-polyester composites. The method used in this study is an xperimental method that uses a tensile testing machine by varying the amount of catalyst in the resin from 0.5% to 2%. In this study, the results showed that composites with a catalyst amount of 0.5% had a tensile strength value of 4.85 kgf/mm2, elongation of 2.43% and elastic modulus of 2.26 kgf/mm2. Composites with a catalyst amount of 1% had a tensile strength value of 5.02 kgf/mm2, longation of 1.71% and elastic modulus of 2.96 kgf/mm2. Composites with a catalyst amount of 1.5% had a tensile strength value of 5.49 kgf/mm2, longation of 1.97% and elastic modulus of 3.07 kgf/mm2. Composites with a catalyst amount of 2% had a tensile strength value of 4.97 kgf/mm2, longation of 1.62% and elastic modulus of 3.11 kgf/mm2. The tensile strength of fiberglass-polyester composites has increased in the amount of catalyst 0.5 to 1.5% and has decreased in the amount of catalyst 2%. The highest value of tensile strength is in composites with a composition of 100% resin and 1.5% catalyst.
Kandungan Nitrat Di Perairan Pasir Putih, Kecamatan Bungatan, Kabupaten Situbondo Anita Diah Pahlewi; Wazirotus Sakinah
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 1, Nomor 2, Edisi Juli 2020
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v1i2.10830

Abstract

The biological, chemical and physical compounds in waters will effect the life of the biota in it. Nitrate is the main form of nitrogen in natural waters and the major nutrient for alga growth. The aim of this research is determining the concentration of nitrate in Pasir Putih waters, so that the research data can be utilized as water quality monitoring in Pasir Putih waters, Bungatan district, Situbondo regency. The nitrate data in marine waters sampling was collected from three stations and through laboratory analysis methods. The marine waters samples ware putted in dark glass bottles and stored in coolbox for aboratory analysis, then the data results was compared with water quality standard based on theDecree of the State Minister of the Environment Number 51 of 2004. The average of the concentration of nitrate at station A is 6,8 mg/l; at station B is 10,2 mg/l; at station C is 5,6 mg/l. The average of nitrate concentration at sampling stationsis 7,53 mg/L shows that nitrate concentration level is exceed the water quality standard based on the Decree of the State Minister of the Environment Number 51 of 2004. This leads to an indication of anthropogenic pollution in the waters due to the existence of floating net cages near the research location at Pasir Putih waters Situbondo regency. It needs further researchs about the presence of floating net cages to the surrounding water quality.
Analisis Perawatan Injector Akibat Penyumbatan Bahan Bakar Pada Main Engine Kapal Faulina Khusniawati; Habibi Palippui
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 1, Nomor 2, Edisi Juli 2020
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v1i2.10832

Abstract

The auxiliary engine in its operation requires complete combustion to get an effective engine, one of which is to use the injector mechanism. Incomplete combustion can cause the engine to not work optimally, it will even cause damage to theengine so that it requires the cost of repair and replacement of its spare parts. The injector has a way of working by providing high-pressure fuel from the injection pump. The main function of a diesel injector is a device to shrink fuel until it breaks into smooth parts (mist) in high temperatures. The high temperature will have an impact on the engine so that regular maintenance is needed on the engine injector. This research uses data collection methods conducted by library research and document studies. This research includes: finding data of the main engine (injector), analyzing and identifying damage to the injector, repairing, and testing the injector engine.
Pengaruh Konfigurasi Brace Pada Struktur Rangka Dua Dimensi (2D) Indah Melati Suci; Muhammad Zubair Muis Alie
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 1, Nomor 2, Edisi Juli 2020
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v1i2.10833

Abstract

The portal structure generally consists of 2 and 3 dimensions, the loads that work on it are also varied adapted to the purpose of the portal itself is used. A portal structure of either 2 or 3 dimensions is a tructure composed of beams and columns, so it is generally reinforced with a diagonal stem called a brace. The study aims to analyse the influence ofbrace configurations on 2-dimensional portals. The structure is modeled after a varied configuration of brace consisting of 5 models. The condition of the fifth boundary of the model is the joints and clamp with a constant axial load point working on the vertical pole. The portal dimensions, yield voltage, modulus of elasticity and poison ratio are assumed to be constant. For modeling, computation and analysis, used computer auxiliary programs namely SAP 2000. The results gained are focus reactions, point displacement and deformation of the five models.
Analisis Kapasitas Teknis Struktur Dermaga Pelabuhan Lampia Chairul Paotonan; Sabaruddin Rahman; Ahmad Azwar Mas’ud M; Teguh Pairunan Putra
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 1, Nomor 2, Edisi Juli 2020
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v1i2.10834

Abstract

PT. Sinergi Perkebunan Nusantara plans to use the Lampia port for shipping of Crude Palm Oil (CPO). Lampia Jetty has more than ten years old so that its carrying capacity against external loads may have decreased. Therefore for the operational safety of the ship, it is necessary to study the engineering capacity of the pier. By knowing the engineeringcapacity of the existing pier, the maximum ship dimensions that can be served by pier can be determined. This study began with the collection of supporting data consisting of ship data, hydro-oceanographic data, bathymetry data, pier structure data and earthquake data. Furthermore, the load calculation that works on the pier consists of dead and live loads, earthquake loads, ship impact loads, current loads, wave loads, ship tensile loads and wind loads. After the load calculation is completed, then the pier modeling is done using SAP2000 software followed by inputting the load using aspecific combination of loading and running model. In this study the dimensions of the ship were varied namely 500 ton, 700 ton, 1000 ton, 2000 ton and 3000 ton. The indicator used in assessing the technical capacity of the pier is the safety factor (SF) as a function of the ship DWT. Based on the results of the strength analysis of the pier structure, it wasfound that the existing pier is capable and safe serving ships with a size of 27 1027 DWT if it uses a safety factor (SF) 1.5. Whereas if use the safety factor (SF) 2.0, the existing pier structure is capable and safe to service ships with a size of ≤ 510 DWT.

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