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All Journal Jurnal Ilmiah Giga Sebatik Wave: Jurnal Ilmiah Teknologi Maritim EPI International Journal of Engineering International Journal of Marine Engineering Innovation and Research Construction and Material Journal Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan ARMATUR : Artikel Teknik Mesin dan Manufaktur AMMA : Jurnal Pengabdian Masyarakat Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Hariyono, Hariyono
Department Of Naval Architecture, Institut Teknologi Kalimantan
Aerospace Engineering Humanities Automotive Engineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Physics Transportation

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Journal : Construction and Material Journal

 1 
ANALISIS KEKUATAN PENGARUH MODEL BRACING TERHADAP PONDASI KATROL LADDER PADA KAPAL ISAP PRODUKSI (KIP) Hariyono Yono; Azhar Aras Mubarak
Construction and Material Journal Vol. 4 No. 3 (2022): Construction and Material Journal Vol. 4 No. 3 November 2022
Publisher : Politeknik Negeri Jakarta

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Abstract

With the use of the bracing model that was built during the building of the ladder-pulley foundation, this research intends to analyze the strength of the ladder-pulley foundation on the Kapal Isap Produksi (KIP). Finite element analysis (FEA) and modeling with the Ansys software were used in the investigation. The 58 m length of the actual ladder is considered when creating the model. Then, create each model of a diagonal brace and an x-bracing specifically for the pulley foundation. After that, a special diagonal brace and an x-bracing model were developed, respectively, for the pulley foundation's building. The load acting on the ladder for the two versions is the same: 1.42 x 105 N for the pipe and mud, 0.57 x 105 N for the cutter, and 0.67 x 108 Nmm for the cutter torque. According to the analysis's findings, the diagonal brace model's strut component experiences the highest level of stress, measuring 57.32 N/mm2, whereas the x-bracing model's greatest stress value is 25.44 N/mm2. These findings suggest that, to reduce structural failure in the ladder pulley area, it is preferable to use x-bracing construction for the brace design put there. This is because it has a lower minimum stress value than the diagonal brace model. Keywords: Bracing, Ladder, KIP, FEA.
ANALISIS KEKUATAN HELIDECK SANTOS SANGU PT. McDERMOTT INDONESIA Anwar Anwar; Hariyono Ismail
Construction and Material Journal Vol. 5 No. 2 (2023): Construction and Material Journal Vol. 5 No. 2 Juli 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v5i2.5625

Abstract

Offshore building structures are buildings commonly used for oil and gas exploitation activities. The distance is quite far from the coastal area, it is necessary to support transportation facilities for the mobility of offshore structures such as ships and helicopters. To support this mobilization activity, a helicopter landing medium is needed, namely the helideck. This study aims to identify the shock loads that occur on the helideck and calculate the strength of the helideck santos sangu PT.McDermott Indonesia. This study used data from PT.McDermott Indonesia on one of the projects located in Block 16, Bangladesh. The helicopter data used in this study was a jet-A1 type helicopter with a maximum weight of 5307 Kg. The results showed that the value of the helicopter dynamic load on a normal landing was 10348.65 Kg with a working stress of 62163.41 N/mm2 and had an interaction ratio (IR) = 0.35, while for an emergency landing the dynamic load was 1724.75 Kg, the working stress was 103606.45 N/mm2, interaction ratio (IR)= 0.59.
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 Abdillah, Riza Abdul Muhaimin, Abdul Abdul Mujib Syadzali Abdurrahman, Luthfi Abdurrahman Agusty, Cindy Lionita Alamsyah Alamsyah - ALDO, JEFRI Andi Ardianti Anwar Anwar Ardianti, Andi Ardianti Ariani, Vidya Rezeki Arifuddin, Andi Mursid Nugraha Cahyani, Alviana Eka Djunuda, Rahmawati Faisal Mahmuddin Ganding Sitepu Hamzah Hamzah Ikhwani, Rodlian Jamal Irawan, Reynadi Firzy Jamal Ikhwani, Rodlian Jefri Aldo Jefri Aldo Aldo Kustiwansa, Harlian Lolo, Musa Lumenteri, Fido Fortunatus M. Uswah Pawara mubarak, azhar aras Muhammad Zubair Muis Alie Pangestu, Aldo Pengestu, Pria Adi Prayoga, Dimas Rexanda Saveta Rifki Asrul Sani Rosmani Munandar Samaluddin, Samaluddin SANDI KURNIAWAN Sandi Kurniawan Sitorus, Chris Jeremy Verian Suardi Suardi Syahab, Husein Syam, Muhammad Anjas Taufik Hidayat Wahidah, Jusma Wardina Suwedy wulandari, amalia ika