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All Journal EPI International Journal of Engineering Construction and Material Journal PIKAT
Abdul Mujib Syadzali
Institut Teknologi Kalimantan
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Other

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Peningkatan Kapasitas Mitigasi Bencana Longsor Melalui Sosialisasi Bersama BPBD dan Senkom Kota Balikpapan di RT 038 Kelurahan Gunung Sari Ulu Guruh Wicaksono; Lis Sholihat; Nur Maulia Yasmine; Reyhan Ranu Dwiramadhan; Rahmad Maulana Aditia; Bintang Atha; Dini Arianti; Margaretha El Lucitania; Rusdiana; Arief Nugraha Pontoh; Abdul Mujib Syadzali
Jurnal Pengabdian Kepada Masyarakat ITK (PIKAT) Vol. 4 No. 1 (2023): PIKAT : Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Institut Teknologi Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/pikat.v4i1.878

Abstract

Sejumlah kelurahan di Balikpapan terdeteksi rawan bencana longsor karena kondisi geografi dan pengaruh cuaca salah satunya ialah Kelurahan Gunung Sari Ulu yang menjadi perhatian BPBD Kota Balikpapan. Menurut data dari BPBD Kota Balikpapan selama periode 2018 hingga 2022 terjadi peningkatan jumlah kejadian tanah longsor dari tahun ke tahun. Dalam setahun terakhir ini, tepatnya di bulan Oktober 2022 di Kelurahan Gunung Sari Ulu terjadi longsor di beberapa titik salah satunya berada di RT. 38. Pengabdian dilakukan pada periode Maret hingga Juni 2023 yang ditujukan untuk Memberikan stimulus mitigasi bencana kepada warga RT 38 agar meningkatkan kapasitas kesiapsiagaan terhadap bencana tanah longsor melalui sosialisasi mitigasi bencana, Memberikan paradigma penanggulangan bencana dalam konsep tanggap bencana. Penulis melakukan tahapan pemetaan rawan bencana longsor dan sosialisasi mitigasi bencana.
Preliminary Design and Energy Production of a Mobile Floating Structure (MFS) for Offshore Wind Turbines in Indonesian Waters Pawara, Muhammad Uswah; Sitorus, Chris Jeremy Verian; Hariyono, Hariyono; Arifuddin, Andi Mursid Nugraha; Alamsyah, Alamsyah; Hidayat, Taufik; Suardi, Suardi; Syadzali, Abdul Mujib; Mahmuddin, Faisal
EPI International Journal of Engineering Vol 8 No 1 (2025): Volume 8 Number 1, Februari 2025
Publisher : Center of Techonolgy (COT), Engineering Faculty, Hasanuddin University

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Abstract

The Mobile Floating Structure (MFS) is an innovative floating wind turbine concept that utilizes a catamaran hull design to enhance mobility and operational efficiency. Unlike stationary platforms, the MFS can relocate to areas with higher wind energy density, making it a promising solution for optimizing wind energy harvesting in offshore environments. This study focuses on the preliminary design and energy production of the MFS. Maxsurf is used to analyze hydrostatics and assess the hydrodynamic performance of the MFS hull after the dimension of the MFS is determine with key considerations including rotor diameter and the weight of the wind turbine. Furthermore, four wind turbines are installed in the MFS. Those aspect were integrated into the design process to ensure realistic operational adaptability. As result. the resulting dimensions of the MFS were determined utilizing Maxsurf. Moreover, different with the previous study that use satellite data, the present study employs reanalysis data to estimate the energy density and power production of MFS. the energy density map is also produced in the present study to determine the monthly location of the MFS. The energy production of the MFS with four turbines has been calculated, and the energy production map is also drawn. Finally, the energy production of the MFS in the chosen location has also been estimated. The energy production map can be utilized to develop MFS in other location.
ANALISA KEKUATAN KONSTRUSKI DOUBLE BOTTOM KAPAL AKIBAT PERUBAHAN UKURAN MANHOLE SEBAGAI UPAYA UNTUK MENINGKATKAN KESELAMATAN PELAYARAN DI ALKI II Jamal Ikhwani, Rodlian; Hariyono, Hariyono; Mujib Syadzali, Abdul; Alamsyah, Alamsyah; Syahab, Husein
Construction and Material Journal Vol. 7 No. 2 (2025): Construction and Material Journal Vol. 7 No. 2 Oktober 2025
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v7i2.7858

Abstract

This study analyzes the strength of the ship's double bottom construction due to changes in manhole size to improve shipping safety in Indonesian Archipelagic Sea Lane II (ALKI II). The study was conducted at Taboneo Anchorage, South Kalimantan, which is a busy shipping route. The initial stage includes measuring the ship's structure and tidal data, as well as collecting secondary data in the form of construction drawings and material specifications for General Cargo type ships. Next, structural modeling was carried out using the Finite Element Method (FEM) approach with reference to Indonesian Classification Bureau (BKI) Rules 2025. The cargo load and bottom load were calculated and input into the model. Three variations of manhole sizes were tested: 350 x 450 mm, 400 x 600 mm, and 400 x 800 mm. The simulation results show that at 350 x 450 mm, the maximum stress is 111.23 N/mm² and the displacement is 4.9 mm, still safely below the BKI permit limit (150 N/mm²). At a size of 400 x 600 mm, the stress increases to 124.68 N/mm² with a displacement of 5.32 mm, which remains safe and recommended. However, the size of 400 x 800 mm produces a stress of 283.23 N/mm² and a displacement of 9.79 mm, exceeding the allowable limit and thus risking structural failure. The maximum recommended manhole size is 400 x 600 mm to maintain construction strength and navigation safety in ALKI II.
Co-Authors Alamsyah - Arief Nugraha Pontoh Arifuddin, Andi Mursid Nugraha Bintang Atha Dini Arianti Faisal Mahmuddin Guruh Wicaksono Hariyono, Hariyono Jamal Ikhwani, Rodlian Lis Sholihat M. Uswah Pawara Margaretha El Lucitania Nur Maulia Yasmine Rahmad Maulana Aditia Reyhan Ranu Dwiramadhan Rusdiana Sitorus, Chris Jeremy Verian Suardi Suardi Syahab, Husein Taufik Hidayat