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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan IPTEK Journal of Proceedings Series Sinergi Teras Jurnal JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Wave: Jurnal Ilmiah Teknologi Maritim Borneo Engineering: Jurnal Teknik Sipil Buletin Profesi Insinyur GATOTKACA Journal (Teknik Sipil, Informatika, Mesin dan Arsitektur) Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan Jurnal Cakrawala Ilmiah Indonesian Journal of Community Empowerment and Service Civil Engineering Scientific Journal WAVE: Jurnal Ilmiah Teknologi Maritim
Edy Utomo
Department Of Civil Engineering, Faculty Of Engineering, Universitas Borneo Tarakan
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences Transportation Other

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Studi Transformasi Gelombang Di Pesisir Timur Pulau Tarakan Dengan Metode Shore Protection Manual (SPM 1984) Untuk Rencana Awal Bangunan Pengaman Pantai Hidayat, Wahyu; Utomo, Edy; Amiruddin, Aswar
Borneo Engineering : Jurnal Teknik Sipil Volume 8 Nomor 3 Tahun 2024
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v8i3.5905

Abstract

Tarakan Island is a part of North Kalimantan Province. The coastline of Tarakan Island is long + 28 km. Some areas have sandy beaches that slope towards the sea. This area is known as Amal Beach. On the coast In Amal Baru, there has been damage to the coastline caused by abrasion with a level of damage reaching 66,67%, which was heavily damaged and 33,33% was moderately damaged. The rate of change in this coastline is classified as 2-5 m/year.. There is damage in the Amal Baru beach area caused by abrasion. Therefore, protection is needed along the Amal coast in the form of beach safety buildings. However, in planning coastal safety buildings. Sea waves are one of the important parameters that need to be taken into account. Direct collection of ocean wave data has a high level of technical difficulty and expensive operational costs. This can be overcome by conducting wave forecasting, so that you can find out wave characteristics such as height, direction and duration of the wave. In this research, the SPM (Shore Protection Manual) method was used to calculate wave forecasting based on wind data over a 10 year period obtained from ECMWF (European Center for Medium-Range Weather Forecasts). Data from forecasting results using the SPM method obtained a maximum wave height value of 2.10 meters with a period of 7,63 seconds which occurred in 2016. Meanwhile, the predicted wave height in the next 25 years using the Weibull method was 2,34 meters with a period of 7,74 seconds. The high value of breaking waves in the next 25 years is 1,69 meters and occurs at a depth of 4.03 meters with a wave incident angle of 28,90O.
Studi Desain Bangunan Pelindung Pantai Tipe Groin Sebagai Upaya Penanganan Abrasi di Pantai Amal Baru Pulau Tarakan Utomo, Edy; Bakri, Muhammad Djaya
Borneo Engineering : Jurnal Teknik Sipil Volume 8 Nomor 3 Tahun 2024
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v8i3.5764

Abstract

Amal Baru beach is one of the beaches affected by the erosion phenomenon on Tarakan Island. The phenomenon of abrasion that occurs on this beach is 72% and accretion is 28%, with conditions that change the coastline due to abrasion of 2.59 m/year. The main trigger for the abrasion phenomenon on this beach is the characteristics of the destructive waves that occur on the shoreline. One of the solutions for erosion control is to construct coastal protection structures, such as Groin. In this study, a study was conducted to deal with abrasion problems on the beach by providing alternative Groin structural designs. All data used in this study is secondary data and is representative as data for the design of the Groin structure, which is planned for the next 50 years. The results of the studies conducted provide an alternative number of Groin structures of 5 units with a length of 95 meters and a distance between Groin of 100 meters. The recomended structure is a slooping side building with the main armor layer being tetrapod, with a grain weight of 0.50 tons for the arm structure and 1.00 tons for the structure at the head end of the Groin.
SANDWICH PANEL MANUFACTURING METHOD IN FORM OF TEST SPECIMENS FOR SHIP CONSTRUCTION Edy Utomo
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 11 No. 1 (2017)
Publisher : National Research and Innovation Agency (BRIN Publishing)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jurnalwave.v11i1.2194

Abstract

Sandwich panel sebagai material komposit memerlukan metode pembuatan yang khusus, untuk menghasilkan kondisi fisik material yang terbaik. Studi ini menyampaikan proses pembuatan sandwich panel untuk keperluan pengujian kekuatan material. Sandwich panel dibentuk dengan metode cetak untuk mempermudah proses pekerjaan dan dapat diulangi jika terjadi kegagalan. Beberapa kegagalan terjadi dalam proses pembuatan hingga proses preparasi spesimen yang dipengaruhi oleh beberapa hal, seperti keretakan akibat temperatur sinar matahari, perbedaan kerekatan antar lapisan dari kondisi faceplate (halus dan kasar), serta metode pemotongan sandwich panel yang membutuhkan metode pemotongan pada temperatur rendah dan tidak menghasilkan getaran yang tinggi untuk menghindari kerusakan pada material sebelum dilakukannya pengujian kekuatan material.
KAJIAN APLIKASI ROBOT DALAM INDUSTRI PERKAPALAN Edy Utomo
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 9 No. 1 (2015)
Publisher : National Research and Innovation Agency (BRIN Publishing)

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Abstract

Paper ini membahas tentang aplikasi sistem robot dalam proses pembangunan kapal. Aplikasi yang ditinjau untuk pekerjaan welding, blasting dan painting, baik untuk struktur terbuka atau struktur tertutup (double hull). Beberapa kelebihan dan kekurangan pada aplikasi robot akan dibahas untuk mengembangkan aplikasi penggunaan robot yang sudah ada, salah satunya adalah dengan menggunakan konsep humanoid. Studi ini juga mengusulkan beberapa modifikasi aplikasi robot yang sudah ada dalam pembangunan kapal. Hasil dari usulan konsep membutuhkan studi analisis lanjut baik mengenai struktural mekanik pada body robot maupun kajian sistem yang lebih tepat untuk diterapkan.
Analisis Statistik Kenaikan Muka Air Laut untuk Perencanaan Infrastruktur Pesisir: Studi Kasus Kota Tarakan Edy Utomo; Azis Susanto; Muhammad Hermansyah
Borneo Engineering: Jurnal Teknik Sipil Vol. 9 No. 2 (2025): Volume 9 Nomor 2 Tahun 2025
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v9i2.367

Abstract

Kenaikan muka air laut (Sea Level Rise, SLR) merupakan salah satu dampak signifikan perubahan iklim yang beriimplikasi langsung pada keberlanjutan infrastruktur pesisir. Penelitian ini bertujuan memprediksi kenaikan muka air laut di Kota Tarakan periode 2025-2100 dengan menggunakan data historis 1994-2024 dari Copernicus Climate Change Service yang diolah menggunakan perangkat lunak ODV (Ocean Data View). Analisis dilakukan menggunakan distribusi probabilitas Gumbel dan Weibull yang menghasilkan persamaan prediksi berbasis input tahun, sehingga memudahkan perencana infrastruktur pesisir untuk menentukan elevasi desain tanpa melakukan perhitungan ulang. Hasil menunjukkan bahwa model Gumbel memberikan estimasi yang lebih tinggi (kondisi terburuk) dibandingkan model Weibull (kondisi terbaik), keduanya memiliki koefisien determinasi tinggi (R2 ≥ 0,94). Proyeksi hingga tahun 2100 mempertimbangkan kenaikan muka air laut maksimum mencapai 2,44 m (Gumbel) dan 2,40 m (Weibull). Temuan ini menjadi acuan teknis dalam perencanaan bangunan pelindung pantai seperti revetment, detached breakwater, dan groin, serta dalam penyesuaian desain dermaga dan sistem drainase pesisir. Kontribusi utama penelitian ini adalah penyediaan persamaan prediksi SLR yang dapat langsung diintegrasikan ke perencanaan teknik sipil, khususnya pada wilayah pesisir tropis yang rentan terhadap perubahan iklim.
Faktor Yang Mempengaruhi Pemilihan Moda Transportasi Menuju Sekolah Di Kota Tarakan Muhammad Kurnia; Iif Ahmad Syarif; Edy Utomo
Borneo Engineering: Jurnal Teknik Sipil Vol. 9 No. 3 (2025): Volume 9 Nomor 3 Tahun 2025
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v9i3.441

Abstract

Abstract Mode Choice of School Transportation is an important decision influenced by various socio-economic factors and travel characteristics. This study aims to analyze the factors influencing students’ choice of transportation modes to school in Tarakan City, North Kalimantan. Data were collected through a questionnaire survey of 250 student respondents using a purposive sampling method. The findings indicate that motorcycles are the dominant mode of transportation (89.3%) chosen by students. The most influential factors in mode choice are speed (67.9%), comfort (60.7%), and low cost (39.3%). The analysis also reveals that the majority of students (82.1%) do not possess a driver’s license, yet they still use motorcycles due to accessibility and flexibility. Willingness to switch to public transportation is low because of the limited availability and poor service quality of public transport in Tarakan City. This study recommends the development of a public transportation system that is comfortable, well-scheduled, and affordable to encourage behavioral change among students in their transportation choices. Keywords: transportation mode, students, mode choice, Tarakan City, motorcycle   Abstrak   Pemilihan moda transportasi menuju sekolah merupakan keputusan penting yang dipengaruhi oleh berbagai faktor sosial-ekonomi dan karakteristik perjalanan. Penelitian ini bertujuan untuk menganalisis faktor-faktor yang mempengaruhi pemilihan moda transportasi oleh pelajar menuju sekolah di Kota Tarakan, Kalimantan Utara. Data dikumpulkan melalui survei kuesioner kepada 250 responden pelajar dengan menggunakan metode purposive sampling. Hasil penelitian menunjukkan bahwa sepeda motor merupakan moda transportasi dominan (89,3%) yang dipilih oleh pelajar. Faktor-faktor yang paling berpengaruh dalam pemilihan moda adalah kecepatan (67,9%), kenyamanan (60,7%), dan biaya yang murah (39,3%). Analisis menunjukkan bahwa mayoritas pelajar (82,1%) tidak memiliki Surat Izin Mengemudi (SIM), namun tetap menggunakan sepeda motor karena kemudahan akses dan fleksibilitas. Kesediaan beralih ke transportasi umum rendah karena keterbatasan ketersediaan dan kualitas layanan angkutan umum di Kota Tarakan. Penelitian ini merekomendasikan perlunya pengembangan sistem transportasi umum yang nyaman, terjadwal, dan terjangkau untuk mendorong perubahan perilaku transportasi pelajar. Kata kunci: moda transportasi, pelajar, pemilihan moda, kota tarakan, sepeda motor
Analisis Terpadu Revitalisasi Pelabuhan Liem Hie Djung untuk Layanan Lintas Batas Indonesia-Malaysia Utomo, Edy; Bakri, Muhammad Djaya; Nawir, Daud; Arifin, Muhammad Asfihan Nur; Syarif, Iif Ahmad
Teras Jurnal : Jurnal Teknik Sipil Vol. 16 No. 1 (2026): Teras Jurnal
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v16i1.1341

Abstract

Abstrak   Pelabuhan Liem Hie Djung (Nunukan, Kalimantan Utara) merupakan simpul layanan lintas batas Indonesia-Malaysia, namun kinerja sisi air dan sisi darat masih dibatasi oleh kedalaman efektif, geometri perairan, dan kapasitas terminal. Penelitian ini menyusun dasar teknis revitalisasi melalui pemodelan bathimetri berbasis SIG dari raster BATNAS resolusi 10 m, survei lapangan, serta analisis kebutuhan fasilitas sisi air-sisi darat. Parameter arus dan pasut ditetapkan dari pengukuran dan analisis pasut setempat, sedangkan tinggi gelombang rencana diperoleh melalui peramalan gelombang. Hasil menunjukkan arus maksimum 0,59 m/s saat surut, tinggi gelombang rencana 0,46 m, serta muka air HWS +4,81 m, MSL +3,29 m, dan LWS +1,81 m. Untuk kapal rencana (LOA 29,50 m; sarat 1,22 m), kebutuhan minimum meliputi kedalaman rencana 2,27 m, lebar alur satu jalur 32,64 m, diameter kolam putar 44,25 m, dan panjang dermaga 81,00 m. Pada sisi darat diperlukan optimasi ruang tunggu, fasilitas pemeriksaan, serta area parkir 2.644 m2. Secara keseluruhan, pra-desain revitalisasi diusulkan bertahap dengan zonasi layanan regional dan internasional.   Kata kunci: Bathimetri, BATNAS, Dermaga, Revitalisasi, SIG.       Abstract   Liem Hie Djung Port (Nunukan, North Kalimantan) is a key border gateway for Indonesia-Malaysia maritime services, yet its waterside and landside performance is constrained by effective depth, basin geometry, and terminal capacity. This study develops a technical basis for revitalization by integrating GIS-based bathymetry modelling from 10 m BATNAS rasters, field surveys, and facility-needs analysis. Currents and tidal levels were derived from local measurements and tidal analysis, while the design wave height was estimated through wave forecasting. Results indicate a maximum current of 0.59 m/s during ebb, a design wave height of 0.46 m, and water levels of HWS +4.81 m, MSL +3.29 m, and LWS +1.81 m. For the design vessel (LOA 29.50 m; draft 1.22 m), the minimum requirements are a 2.27 m design depth, a 32.64 m single-lane channel width, a 44.25 m turning basin diameter, and an 81.00 m berth length. Landside improvements include reorganizing passenger flow, inspection facilities, and 2,644 m2 of parking. Overall, a phased, zoned revitalization is recommended to support border connectivity.   Keywords: Bathymetry, Border, GIS, Revitalization, Terminal
Analisis Forensik Kegagalan Atap Kayu akibat Perubahan Penutup Atap pada Balai Adat Dayak Kalimantan Utara Utomo, Edy; Hernadi, Ahmad
Teras Jurnal : Jurnal Teknik Sipil Vol. 16 No. 1 (2026): Teras Jurnal
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v16i1.1347

Abstract

Abstrak   Keruntuhan atap kayu pada bangunan publik merupakan peristiwa kritis yang menimbulkan risiko keselamatan dan menuntut evaluasi teknis yang akuntabel. Penelitian ini bertujuan menyajikan analisis forensik kegagalan atap kayu pada Balai Adat Dayak “X” di Kalimantan Utara yang terjadi segera setelah pemasangan penutup atap dan pelepasan penyangga sementara. Perubahan penutup atap dari seng (3,26 kg/m2) menjadi sirap kayu ulin (25 kg/m2) meningkatkan beban mati penutup atap sekitar 21,74 kg/m2 (0,213 kN/m2) atau 667% (7,7 x) dibanding kondisi awal, sehingga menaikkan tuntutan layanan elemen atap. Metode penelitian meliputi investigasi lapangan, pengujian laboratorium sifat material kayu, analisis manual gording sebagai elemen balok, serta pemodelan global rangka kuda-kuda menggunakan SAP2000 mengacu SNI 7973:2013. Evaluasi juga mempertimbangkan peran sambungan, pengaku lateral, dan perubahan kondisi pelaksanaan saat penyangga sementara dilepas. Hasil menunjukkan gording eksisting melampaui kriteria kekuatan lentur dan batas lendutan, sedangkan elemen kuda-kuda secara global masih aman terhadap gaya aksial. Temuan ini menegaskan bahwa kegagalan lokal elemen sekunder dapat memicu keruntuhan sistem atap secara keseluruhan. Studi ini memberikan dasar teknis bagi pengendalian perubahan spesifikasi material, pemeriksaan lendutan, dan pengaturan tahapan pelepasan penyangga pada konstruksi atap kayu.   Kata kunci: Atap, Forensik, Gording, Kayu, Keruntuhan     Abstract Public timber-roof collapses are critical events that pose safety risks and require accountable technical evaluation. This study aims to present a forensic analysis of a timber roof failure at the Dayak Traditional Hall “X” in North Kalimantan, which occurred shortly after roof covering installation and the removal of temporary supports. Replacing a metal sheet roof (3.26 kg/m2) with ironwood shingles (ulin) (25 kg/m2) increased the roof dead load by about 21.74 kg/m2 (0.213 kN/m2), equivalent to 667% (7.7 x) relative to the original condition, thereby increasing serviceability demands on roof components. The methodology includes field investigation, laboratory testing of timber material properties, manual analysis of purlins as local elements, and global modelling of the roof truss using SAP2000 in accordance with SNI 7973:2013. The evaluation also considers the role of connections, lateral bracing, and construction-stage changes when temporary supports were removed. Results indicate that the existing purlins exceeded bending strength and deflection limits, while the truss members remained globally safe in terms of axial forces. These findings confirm that local failure of secondary elements can trigger collapse of the specification changes, checking deflections, and managing the timing of temporary support removal in timber roof construction.   Keywords: Roof, Forensic, Purlin, Timber, Collapse
Design of a Modular Revetment Using Recycled Tires for Coastal Protection Mitigation at Amal Baru Beach, Tarakan Utomo, Edy; Bakri, Muhammad Djaya; Susanto, Azis
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 7, Number 1, March 2026 Edition
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

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Abstract

Costal abrasion in Tarakan City requires a protection system that is not only structurally effective but also economically feasible and implementable through community-based approaches. This study aims to design a modular revetment structure using recycled tires filled with concrete and compacted sand based on a design-based analytical approach. Wave transformation analysis at a depth of -0.52 meters indicates significant wave heights ranging from 1.19 to 1.70 meters, which serve as the primary basis for stability calculations using the Hudson formula with a conservative stability coefficient 1.25. The results show that a single concrete-filled tire unit weighs approximately 285 kg, and five units are required to form the primary armor layer with a height of 1.20 meters. To achieve the design crest elevation of +1.95 meters relative to HHWL, additional secondary protection layers and a toe protection system made of quarry stones were incorporated, resulting in a total structural height of 2.40 meters. Sensitivity analysis indicates that variations in significant wave height strongly influence the required weight of armor, whereas changes in material density produce more moderate effects. Compared with conventional stone revetments, the modular tire system offers greater flexibility, ease of installation without heavy equipment, and supports circular-economy principles through the reuse of waste tires. The implementation plan adopts a participatory appriach by engaging local fishermen and coastal communities in material collection, assembly, and maintenance activities. This study provides a sustainable, low-cost, and adaptive alternative for coastal protection that can be replicated in other shoreline areas with similar environment conditions.
Co-Authors Achmad Zubaydi Agung Budipriyanto Ahmad Baidowi Ahmad Hernadi Aidil, Rahmad Amiruddin, Aswar Aneza Ferdani Widiyanti Anisa Nur Fadila Apriliana, Anna Celia Arif Fadllullah Arifin, Muhammad Asfihan Nur Arin Isyamelya Maharani Asta, Asta Awang Pradana, Awang Azis Susanto Barocah, Alfika Henny Dedy Harto Eko Prihartanto Faizal, Rahmat Fiqih D.K, Fiqih Giar Tri Haryanti Giar Tri Haryanti Haryanti, Giar Tri Hernadi, Ahmad Hery Indria, Hery Hutagamissufardal, Hutagamissufardal Kahtijah, Siti Maharani, Arin Isyamelya Manan, Muhammad Alfarizi Michael Pratama Muhammad Djaya Bakri Muhammad Hermansyah Muhammad Hermansyah Muhammad Kurnia Nawir, Daud Nur Mauliddya Tasya Andari Pongsinoran, Regina Prasetya, Noerman Adi Pratisna, Pompy Rahmad Aidil Reni Reni, Reni Rini, Detya Nurfajar Sadam, Muhammad Saipul Shinta Tri Kismanti Susanto, Azis Syarif, Iif Ahmad Wahyu Hidayat Wahyu Hidayat Yudi Chandra Zulfikhar Ade Mahendra Zulhimantara, Audana