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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis IPTEK The Journal for Technology and Science Jurnal Ilmiah Mahasiswa FEB Civil Engineering Journal Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat Jurnal Penelitian Enjiniring Fakultas Teknik Unhas Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan Jurnal Transportasi Multimoda Maritime Park: Journal Of Maritime Technology and Socienty Makara Journal of Technology Prosiding Seminar Nasional Teknik Sipil UMS Riset Sains dan Teknologi Kelautan Warta Penelitian Perhubungan
Taufiqur Rachman
Universitas Esa Unggul
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Public Health Transportation

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Transplantasi Coral sebagai Aksi Peduli Lingkungan untuk Pemanfaatan yang Berkelanjutan dj, Ashury; ., Juswan; Rachman, Taufiqur; Paroka, Daeng; Baeda, Achmad Yasir; Rahman, Sabaruddin; Umar, Hasdinar; Paotonan, Chairul; Alie, Muh. Zubair; Husain, Firman; Assidiq, Fuad Mahfud; Nasir, Andi Mega Mustika
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 7 No 2 (2024): Kolaborasi yang Kuat untuk Kekuatan Kemasyarakatan
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v7i2.553

Abstract

The existence of coral reefs in Indonesia ranks first in area and type. The total area of coral reefs owned by Indonesia is 14% of the total area of coral reefs in the world. Coral reefs have an important value in life, both in terms of ecology to promising economic value. Therefore, the Department of Marine Engineering in collaboration with partners of the South Sulawesi Provincial Tourism Office held an activity “Coral Transplantation as an Environmental Care Action for sustainable use”. This activity has the aim of providing an understanding of the importance of knowledge about the economic and environmental benefits of coral reefs as a beach / sun tourism attraction for domestic and foreign tourists to visit the province of South Sulawesi, especially on Badi Island in Pangkep Regency (Pangkajene Islands). Coral reefs that have been damaged require a long time to recover, due to the slow growth rate of corals. Therefore, human intervention through various methods and means becomes indispensable to improve and rehabilitate the condition of coral reefs. One rehabilitation technique that has been widely recognized and applied in various parts of the world is coral transplantation. By using lecture and discussion methods, as well as coral reef rehabilitation efforts through the real action of coral transplantation. The results obtained showed that there was an increase in knowledge before and after the community participated in the activity and the degradation of coral reefs that occurred could be restored through transplantation of 500 donor corals. The conclusion of this activity indicates that the presentation of material in the form of lectures and discussions has increased community knowledge, and the real action of coral reef transplantation can increase coral reef colonies as a sustainable use.
Pengaruh Hidro-oseanografi pada Penempatan Terumbu Buatan di Kawasan Pantai Indonesia Rachman, Taufiqur; Suleman, Siti Arifaini; Nur, Fitrahwati
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 5, Number 3, November 2024 Edition
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/zl.v5i3.41395

Abstract

The existence of artificial reefs in coastal areas is used to repair damaged habitats by simulating the ecological role of natural coral reefs. The selection of placement locations under the sea is done so that artificial reefs can function properly. The purpose of this study was to determine the influence of hydro-oceanographic characteristics on the placement of artificial reefs that have been carried out in several coastal areas in Indonesia. This research is expected to provide an overview of the effectiveness of artificial reef placement towards efforts to repair damage to the coastal ecosystem. Artificial reef data was obtained in coastal waters located in Java and Sulawesi Island. Review of the application of artificial reefs includes placement location, hydro-oceanographic data, and evaluation of the existing condition of artificial reefs after the sinking period. The review of the relationship between the initial data and the existing condition of artificial reefs after the sinking period at the placement site against the hydro-oceanographic characteristics of the respective coastal water location. The success of artificial reef placement as a coastal ecosystem restoration effort is strongly influenced by bathymetry contours, wave height, current speed, and sedimentation.
Assessing Sediment Transport and Shoreline Dynamics in High-Energy Tropical Coasts Umar, Hasdinar; Paotonan, Chairul; Rachman, Taufiqur; Nur, Sitti Hijraini; Muhiddin, Amir H.; Maming, Muhammad Idhil; Andriadi, Andi M. Rezky; Assidiq, Fuad Mahfud
Civil Engineering Journal Vol. 11 No. 7 (2025): July
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2025-011-07-022

Abstract

This research examines coastal erosion in North Galesong, Indonesia, by validating longshore sediment transport (LST) equations and predicting shoreline changes over ten years. To evaluate sediment movement and coastline alterations, it integrates field data on sediment grain size and wave characteristics with numerical modeling techniques, including the CERC equation and finite difference methods. Sieve analysis revealed a range of sediment textures (D50: 0.17–0.65 mm), predominantly medium-fine sand. Wave analysis indicated a dominance of moderate energy southwesterly waves (1.5 m height, 6.39 s period) that aid sediment transport. The empirical LST models, calibrated with local data, closely matched numerical simulations (error <20%), predicting an annual net northward sediment transport of 406,869 m³. Shoreline analysis across 15 segments showed significant spatial variability: severe erosion occurred in Cell 4 (Δy = -0.82 m), while Cell 3 saw accretion (Δy = +0.68 m), influenced by wave direction, sediment supply, and coastal morphology. This study underscores the value of hybrid empirical-numerical methods in data-scarce regions and emphasizes the need for local model calibration to enhance coastal resilience. The findings inform sustainable management practices, promoting adaptive strategies to address sediment imbalances and hydrodynamic changes due to climate factors.
Pemeliharaan Sarana Bantu Navigasi Pelayaran (SBNP) pada Wilayah Kerja Distrik Navigasi Makassar Makmur, Irfan; Sitepu, Ganding; Rachman, Taufiqur
Warta Penelitian Perhubungan Vol. 35 No. 1 (2023): Warta Penelitian Perhubungan
Publisher : Sekretariat Badan Penelitian dan Pengembangan Perhubungan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25104/warlit.v35i1.2222

Abstract

Untuk menjamin keamanan dan keselamatan pelayaran dari bahaya kenavigasian dilakukan penataan alur pelayaran melalui penandaan atau pemasangan Sarana Bantu Navigasi Pelayaran (SBNP). Pemeliharaan SBNP menjadi hal yang penting untuk dilaksanakan secara berkala agar keandalannya dapat terjaga dan tercapai. Tujuan utama pemeliharaan yaitu keamaman dan keselamatan pelayaran bagi kapal-kapal yang berlayar sesuai dengan target keandalan pemerintah sebesar 95%. Tujuan penelitian ini adalah: 1) Untuk mengukur efektivitas penerapan peraturan Menteri Perhubungan nomor PM 25 Tahun 2011 tentang Sarana Bantu Navigasi Pelayaran dan 2) Menyusun strategi peningkatan kegiatan pemeliharaan SBNP pada Kantor Distrik Navigasi Makassar. Dengan menggunakan metode Analisis Deskriptif Kualitatif dengan cara observasi, dokumentasi, dan wawancara, disimpulkan bahwa kegiatan pemeliharaan SBNP jenis Rambu Suar dan Pelampung Suar belum efektif, sedangkan SBNP jenis Menara Suar sudah efektif. Beberapa faktor yang mempengaruhi efektivitas penyelenggaraan SBNP dalam hal pemeliharaan antara lain belum adanya rencana pemeliharaan secara detail, kekurangan anggaran, serta jumlah dan kompetensi petugas SBNP dan Anak Buah Kapal Negara kenavigasian. Penyusunan strategi peningkatan kegiatan pemeliharaan SBNP dilakukan dengan menggunakan metode Analisis SWOT. Hasil analisis menerangkan bahwa pemeliharaan SBNP dapat dioptimalkan dengan membuat detail rencana pemeliharaan SBNP, mekanisme pemeliharaan menggunakan sarana moda transportasi darat, dan optimalisasi pegawai dengan peningkatan kompetensi untuk menjadi petugas SBNP.
Pengaruh Periode dan Kedalaman Air terhadap Kecuraman Gelombang pada Flume Persiapan Percobaan Peredaman Gelombang Syamsuri, Andi Makbul; Suriamihardja, Dadang; Thaha, Arsyad; Rachman, Taufiqur
Prosiding Seminar Nasional Teknik Sipil UMS 2019: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (790.562 KB)

Abstract

Permasalahan daerah pantai memerlukan pemahaman fenomena kelautan, pengetahuan teoritis tentang sifat – sifat gelombang, tekanan dan gaya – gaya gelombang yang bekerja serta proses perubahan bentuk gelombang dalam penjalarannya menuju ke daerah pantai perlu kajian penelitian yang mendalam. Penelitian ini bertujuan mengetahui perbandingan karakteristik gelombang dimana panjang dan tinggi gelombang yang akan menentukan kecuraman gelombng (H/L) yang dipengaruhi oleh periode gelombang (T).Metode penelitian eksperimental laboratorium dengan menggunakan flume gelombang dengan karakteristik gelombang yang dibangkitkan terdiri dari 3 variasi periode (T; 1,0 detik, T; 1,1 detik, T; 1,2 detik), dengan kedalaman air (d) yang digunakan yaitu (d) 15 cm dan (d) 36 cm, variasi stroke untuk mengatur gerakan flap sebagai pembangkit gelombang yaitu 4, 5 dan 6.Hasil pengujian menunjukkan bahwa tinggi gelombang (H) dan panjang gelombang (L) sangat dipengaruhi oleh periode (T), jika T bertambah maka H mengecil dan L bertambah, perbandingan H/L mengalami perbedaan diantara kedua kedalaman yang berbeda pula.
ANALISIS FAKTOR-FAKTOR YANG MEMPENGARUHI PENGEMBANGAN USAHA UNTUK PENINGKATAN PENDAPATAN (Studi Kasus UKM Pada “Kebab Ger-Burger” Di Kota Bangkalan”) Rachman, Taufiqur
Jurnal Ilmiah Mahasiswa FEB Vol. 2 No. 1
Publisher : Fakultas Ekonomi dan Bisnis Universitas Brawijaya

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

Abstract

Penelitian ini bertujuan untuk mengetahui kekuatan dan kelemahan (kondisi internal), serta peluang dan ancaman (kondisi eksternal) terhadap pengembangan usaha Kebab Ger-Berger, dan memformulasikan langkah yang tepat untuk pengembangan usaha dalam rangka peningkatan pendapatan Kebab Ger-Berger di Bangkalan. Dalam studi ini menggunakan metode deskriptif kualitatif analisis SWOT. Jumlah responden ada 4 orang yaitu pemilik usaha Kebab Ger-Berger di Bangkalan dengan menggunakan metode sensus. Faktor kekuatan dan faktor peluang berpengaruh besar dan menyeluruh terhadap perkembangan usaha ini. Faktor kelemahan dan faktor ancaman tidak berpengaruh secara menyeluruh terhadap perkembangan usaha ini. Matrik kuadran SWOT berada di titik koordinat I yaitu 1,12 : 0,48 yang artinya langkah yang harus dilakukan menggunakan Growth Oriented Strategy. Oleh karena itu, langkah strategis perusahaan adalah menambah permodalan, penentuan lokasi yang strategis, menjalin kerjasama dengan UKM lainnya, menambah varian produk kebab, dan mengikuti acara seminar pelatihan wirausaha. Kata kunci : Faktor internal, faktor eksternal, pengembangan usaha.
Analysis Of Laying And The Need For Cathodic Protection On Single Point Mooring Type Catenary Anchor Leg Mooring Buoy 035 Owned By PT. Pertamina Fuel Terminal Tuban Rachman, Taufiqur
Maritime Park: Journal of Maritime Technology and Society Volume 1, Issue 1, 2022
Publisher : Department of Ocean Engineering, Faculty of Engineering, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1117.688 KB) | DOI: 10.62012/mp.v1i1.19946

Abstract

Corrosion is one of the most common causes of damage to mooring buoys due to oxidation on the surface of the steel plate. The purpose of this study was to determine the need and placement of cathodic protection as well as the costs required in procuring cathodic protection on moorings buoy using the rules of BKI (Indonesian Classification Bureau) and DNV (Det Norske Veritas Industry Norway). In the cathodic protection system there are two methods of cathodic protection, namely Sacrificial Anode Cathodic Protection (Sacrificial Anode) and Impressed Current Cathodic Protection (ICCP). In this study, the sacrificial anode method was used because the installation is simpler so it does not require special skills and the anode connector is cathodic protected. Mooring buoy with a height of m, a diameter of meters with a cathodic protection design life of 5 years. The anode used in this study is an anode with a Longated flush-mounted Z9.0H1 (Welded Type) with dimensions of 355 x 85 x 45 mm. From the results of this study, it was found that the total anode mass needed to protect the mooring buoy is 26.95 kg with the installation distance between the anodes on the topside hull plate is 34.557 m and the bottom swim hull plate is 47.123 m and the estimated cost required to provide mooring buoy is IDR 4,284,900.
Analisis Longshore Current dan Longshore Sediment Transport pada Pantai Aeng, Galesong Utara, Kabupaten Takalar: Analysis of Longshore Current and Longshore Sediment Transport at Aeng Beach, North Galesong, Takalar Regency Rachman, Taufiqur; Alkhaer, Ilham; Umar, Hasdinar
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 15 No. 3 (2023): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v15i3.43159

Abstract

Pantai Aeng merupakan bagian dari wilayah pesisir Kabupaten Takalar yang berbatasan langsung dengan Kota Makassar dan memiliki potensi kegiatan industri, perikanan, rumput laut, dan pariwisata. Namun permasalahan abrasi di sepanjang pesisir Kabupaten Takalar akibat arus menyusur pantai terjadi hampir di semua wilayah pesisir. Tujuan penelitian ini adalah untuk menganalisis arah dan kecepatan arus menyusur pantai serta pengaruhnya terhadap angkutan sedimen menyusur pantai. Analisis data gelombang menggunakan metode peramalan gelombang berdasarkan data angin selama 10 tahun yang diperoleh dari BMKG Wilayah IV Kota Makassar. Kecepatan arus dan angkutan sedimen menyusur pantai dihitung menggunakan persamaan empiris. Hasil analisis menunjukkan bahwa tinggi gelombang pecah (Hb) berkisar antara 1,64 m - 2,00 m dengan kedalaman gelombang pecah (db) berkisar antara 2,1 m - 2,5 m. Kecepatan arus menyusur pantai berkisar antara 4,13 – 4,55 m/det, dengan arah arus dari barat menuju ke timur menyusuri pantai. Analisis distribusi sedimen di daerah Pantai Aeng menunjukkan bahwa sedimen didominasi oleh pasir halus hingga pasir kasar, dengan angkutan sedimen menyusur pantai berkisar antara 13.159,93 – 19.674,25 m3/hari atau 4.803.373 – 7.181.101 m3/tahun dari arah barat ke arah timur, sesuai dengan arah gelombang datang dominan. Hasil penelitian dapat digunakan sebagai data referensi untuk menentukan penanganan abrasi di pesisir Pantai Desa Aeng. Penanganan struktural yang dapat dilakukan antara lain pembangunan struktur groin permeable yang dapat mengendalikan besarnya angkutan sedimen menyusur pantai dan tetap menjaga kestabilan garis pantai.
Introduction to the Marine World and Coastal Engineering for Students of Athirah 2 Islamic Elementary School Makassar Through Interactive Educational Media Umar, Hasdinar; Paotonan, Chairul; Baeda, Achmad Yasir; Rachman, Taufiqur; Rahman, Sabaruddin; Djamaluddin, Ashury; Husain, Firman; ., Juswan; Assidiq, Fuad Mahfud; Mustika, Andi Mega; A. Narayana Jufri, Muhammad Fauzan; Ikram, Andi Muhammad; Ramadhan Umar, Muhammad Fitrah
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 8 No 2 (2025): Collaboration for Accelerated Community Achievement
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v8i2.617

Abstract

Makassar City is one of the cities with a coastal area located in its center. However, many people, especially young children, still do not understand the importance of the sea, marine technology, and its role in their lives. The low level of understanding is due to the lack of information provided about the ocean world and coastal engineering. Athirah 2 Islamic Elementary School, which is one of the partners in this community service, provides facilities for the Introduction to the Ocean World and Coastal Engineering activity. This community service activity aims to introduce the basic concepts of the ocean world and coastal engineering through a fun and interactive approach that is adapted to the age of elementary school students. This activity will be carried out in 6 sessions, namely Session 1: Opening, Introduction, and Pre-test; Session 2: Introduction to the Sea and Marine Engineering; Session 3: Simple Experiments; Session 4: Educational Games; Session 5: Reflection and Post-test; and Session 6: Closing and Documentation. After this activity is carried out, an initial awareness is formed in students about the importance of protecting the sea as part of a shared responsibility. The students were enthusiastic about learning about ocean engineering and coastal engineering, eager to learn about the ocean and coastal structures. The pre- and post-test results showed an increase in the students' understanding of ocean engineering and coastal engineering.
Welder Qualification Requirements for Midship Block Assembly of a 3702 GT Barge Mistipa Avin, Fabelyn Gandryal; Rachman, Taufiqur
Maritime Park: Journal of Maritime Technology and Society Volume 5, Issue 1, 2026
Publisher : Department of Ocean Engineering, Faculty of Engineering, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/mp.vi.48250

Abstract

Precise and efficient welding is required in the assembly and erection of the 3702 GT barge block system. A mismatch between the number of welders available and actual needs in the field can affect production time and cost efficiency. The purpose of this study is to determine the number of welders and electrodes required in the assembly of the 3702 GT midship barge block, which is expected to serve as a reference in the planning and management of welders and materials in the shipbuilding process. A quantitative approach was taken by collecting technical data, namely welding length, fillet volume, welder productivity, and work efficiency. The data was obtained from technical documents, field measurements, and three-dimensional modeling of the 3702 GT midship barge block. The analysis results show that the total welding length in fabrication reaches 1.361 meters, while in erection it reaches 126 meters. with a welding volume of 31,184 cm³ and an electrode requirement of 326.39 kg. With the application of 35% work efficiency of welders in the field, the requirement for welders for the assembly of the midship barge block was eight welders with a duration of seven days.
Co-Authors ., Ardi ., Ashury A. Narayana Jufri, Muhammad Fauzan Achmad Yasir Baeda Adiputra, Ristiyanto Alie, Muh. Zubair Alkhaer, Ilham Andriadi, Andi M. Rezky Arafat, Andi Muhammad Alfian Arifki, Muhammad Alif Alim Arsyad Thaha, Muhammad Ashury - Ashury, Ashury Assidiq, Fuad Mahfud Awal, Muhammad Andika Samudera Ayu Novia Lestari, Putri Ayyub Ansyari B, Muhammad Chairul Paotonan Daeng Paroka Damayant, Riska dj, ashury Djamaluddin, Ashury Dundu, Denis Restuardi Eko Yusroni Fachry Abda El Rahman Fauzan, Dzaky Firman Husain Firman Husain Ganding Sitepu Habibi Palippui Haryo Dwito Armono Hasdinar Umar Idsan, Muhammad Akhsal Ikram, Andi Muhammad Indah Puspita Sari, Indah Puspita Irfaniyanti, Irfaniyanti Irma Handayani, Irma Jalil, Jalil Jumadi Jumadi Juswan - Juswan . Juswan Sade Juswan, Juswan Kasba, Putri Sriwahyuni Kriyo Sambodho Kurniawan, Abdi Makmur, Irfan Maming, Muhammad Idhil Masri, Andi Muhammad Maulid Mistipa Avin, Fabelyn Gandryal Muhajirin Muhajirin Muhammad Fadly Muhammad Zubair M Alie Muhammad Zubair Muis Alie Muhammad Zubair Muis Alie, Muhammad Zubair Muhiddin, Amir H. Mustika, Andi Mega Nasir, Andi Mega Mustika Nisa, Mu’minatung Nur, Fitrahwati Pairunan, Teguh Pata’dungan, Geby Phady, Adriani Prasetyo, Adil Farhan Purnama, Bulan Rachmi, Nur Rahim, Fitri Ramadani Rahmat, Nabila Ainun Nur Ramadhan Umar, Muhammad Fitrah Ramasari, Dian Reskiyanti, Reskiyanti Restuardi Dundu, Denis Rizky, Zakinah Sabaruddin Rahman Safitri Safitri Savhanta Tonapa, Royh Shirly Wunas Sitti Hijraini Nur Suci, Indah Melati Suleman, Siti Arifaini Suleman, Yuliani Suriamihardja, Dadang Suriamiharja, Dadang A. Suyono Suyono Syaifullah, Muh Syamsuri, A. M. Syamsuri, Andi Makbul Thaha, Arsyad Timang, Novrian Yosua Utama, Muhammad Furqan Lizak Widianingrum, Windi Yudha Pratama, Andi Zubair Muis Alie, Muhammad