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All Journal Jurnal Penelitian Transportasi Laut International Journal of Marine Engineering Innovation and Research Jurnal Kemaritiman: Indonesian Journal of Maritime WAVE: Jurnal Ilmiah Teknologi Maritim
Kharis Abdullah
Politeknik Perkapalan Negeri Surabaya
Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Journal : international journal of marine engineering innovation and research

 1 
Strength Analysis of High Density Polyethylene Floating Jetty Deck with Finite Element Method Kharis Abdullah; Aditya Maharani; Sryang T Sarena
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 1 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i1.4734

Abstract

Floating Jetty or commonly called a floating dock, is one of the facilities in the harbour for loading and unloading passengers from ships to land or vice versa. HDPE (High-density polyethene) is a type of plastic that is more resistant to chemical solutions or contaminants and can be recycled. HDPE (High Density Polyethylene) material can be used for marine building construction. At the design stage, there is a stage to determine the strength of marine building construction to avoid failure in its operation. One of the methods used to analyse structural strength is the finite element method. In this study, the strength of floating dock decks made from HDPE is analysed using the finite element method. The results of modelling using finite elements show that the construction of floating dock decks made from HDPE has a von mises stress of 3.05 Mpa and a deformation of 0.0035 mm which is still below the allowable stress and deformation values determined by the classification society.
Design of Catamaran Electric-Powered Glass Bottom Boat as a Tourism Facility for Gili Noko Island M. Zulfikar Rahmat; Tri Tiyasmihadi; Kharis Abdullah
International Journal of Marine Engineering Innovation and Research Vol. 8 No. 3 (2023)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i3.5174

Abstract

Gili Noko Island is one of the islands located in the Bawean archipelago, Gresik regency. The beauty of the beaches and underwater scenery on this island often captivates tourists but access to this island is quite limited. This research proposes the design of a tourist boat concept with a glass bottom route from Bawean to Gili Noko. In this research, there were several research design used those were the principal dimension, lines plan, general arrangement, construction calculation, stability analysis, ship motion analysis, and ship comfort. The selection of the engine is based on the calculated power required for the boat's resistance. The chosen engine is an electric propulsion system as a new environmentally friendly alternative. From the technical analysis, the boat's dimensions are found to be Loa: 11.83 m, B: 4.50 m, B1: 0.80 m, H: 1.50 m, T: 0.60 m, Cb: 0.611, and Vs: 7 knots. The engine power is 10.5 HP, and the battery capacity is 840 Ah. The construction calculation reveals that the boat weigths 4.8584 tons. The stability analysis complies with IMO standards, and the motion analysis and ship comfort meet the criteria set by Olson in 1987.
Structural Strength Analysis of a High-Density Polyethylene Floating Jetty under Ship Collision Kharis Abdullah; Sryang T Sarena; Aditya Maharani
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 2 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i2

Abstract

Floating jetties are increasingly used in marine infrastructure because of their adaptability to water-level fluctuations and ease of installation. Recently, High-Density Polyethylene (HDPE) has attracted attention as an alternative construction material due to its corrosion resistance, lightweight characteristics, and impact-absorption capability. However, information regarding the structural behaviour of HDPE floating jetties under ship collision loads remains limited. Therefore, this study aims to investigate the structural response and deformation characteristics of an HDPE floating jetty subjected to vessel berthing impacts. The analysis was conducted using the Finite Element Method (FEM). A floating jetty with dimensions of 10 m × 2.5 m × 1.5 m was modelled and subjected to collision loads generated by a 5-ton vessel approaching at a 20° berthing angle. Berthing energies were calculated according to PIANC recommendations and converted into equivalent static impact loads under favourable, moderate, and unfavourable berthing conditions. The calculated berthing energies were 88.4 J, 198.9 J, and 353.6 J, corresponding to impact loads of 15.2 kN, 22.7 kN, and 30.2 kN, respectively. The maximum deformations obtained from the FEM analysis were 12.11 mm, 18.21 mm, and 24.22 mm. The results showed a nearly linear relationship between impact load and structural deformation, indicating stable elastic behaviour throughout the investigated loading range. Even under the most severe berthing condition, the maximum deformation represented only 0.24% of the jetty length. The study demonstrates that HDPE floating jetties possess adequate impact resistance and deformation capacity for small-vessel berthing operations. These findings provide additional insight into the application of HDPE as a structural material for floating marine infrastructure subjected to collision loading.
Co-Authors Aditya Maharani Id Adha Mulab Khairunnisa M. Zulfikar Rahmat Priyambodo Nur Ardi Nugroho Rodlitul Awwalinc Sryang T Sarena Tri Tiyasmihadi