Özet:

The shipbuilding industry has employed a wide variety of materials up till the present day in the construction of ships. The most well-known shipbuilding materials are steel, aluminum alloys, fiber-reinforced composite products and wood materials. In contrast to the most well-known construction materials, the periods in which concrete is applied in the construction of the ship's hull are analyzed together with the reasons, especially in naval applications. Concrete ships, whose history dates back to 1848, have been operated in many areas such as cargo ships, floating barges, yachts, fishing boats. Particularly during the first and second world wars, when obtaining raw steel was challenging and expensive also qualified workforce needs are not fully met, quite large-scale concrete ships were built but none of these ships could continue their operational activities until today. Concrete ships were typically utilized as a training ship, warehouse, or breakwater soon after construction or sunk apart from their main purpose. This paper considers the manufacture of crude steel to investigate the historical evolution of concrete ships and also aims to contribute to the literature on the challenges of concrete ships during the process and the latest situation of these ships. Moreover, it serves as a valuable resource for academics, professionals, and maritime stakeholders who will work in this field which is rarely mentioned in the literature.

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