최대 화물 적재하중을 받는 자동차운반선의 직접강도평가
Direct Strength Assessment of Pure Car and Truck Carrier under Maximum Cargo Loads
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초록
Yearly world vehicle production has continued to increase, and the global seaborne trade volumes also are recovering. Based on these positive trends, as demand for cargo ships increases in the freight transportation market, Pure car and truck carriers (PCTCs) with large gaps between decks continue to be ordered. The structural analysis of the cargo hold was performed in order to confirm its structural safety in accordance with the guidance for the direct strength assessment of the Korean Register (KR) of Shipping. And, according to the type of cargo, the maximum deflection and structurally weak area that occurred in deck 5 was confirmed. Also, it was found that the weight of the cargo had a significant effect on the deck, the primary members of the deck’s structure, and pillars. The results of the structural analysis conducted in this study were added to the existing cargo load planning software. This was done so that the prediction of the maximum stress and the deflection of the deck based on the information about the cargo could be confirmed quickly. In addition, the data will be used as the basic data for rapid information management response to changes in cargo items.
Abstract
Yearly world vehicle production has continued to increase, and the global seaborne trade volumes also are recovering. Based on these positive trends, as demand for cargo ships increases in the freight transportation market, Pure car and truck carriers (PCTCs) with large gaps between decks continue to be ordered. The structural analysis of the cargo hold was performed in order to confirm its structural safety in accordance with the guidance for the direct strength assessment of the Korean Register (KR) of Shipping. And, according to the type of cargo, the maximum deflection and structurally weak area that occurred in deck 5 was confirmed. Also, it was found that the weight of the cargo had a significant effect on the deck, the primary members of the deck’s structure, and pillars. The results of the structural analysis conducted in this study were added to the existing cargo load planning software. This was done so that the prediction of the maximum stress and the deflection of the deck based on the information about the cargo could be confirmed quickly. In addition, the data will be used as the basic data for rapid information management response to changes in cargo items.
참고문헌 (6)
- Alatan, B., "Parametric Design and Optimization of Steel Car Deck Panel Structures", Master, pp.2012
- Choi, J. I., "Structural Safety Assessment of Pure Car and Truck Carrier(1)", Proceedings of the Korean Association of Ocean Science and Technology Societies, pp.1106~1110 (2011)
- Kang, D.K, "A Study on the Determination of Scantlings of Primary Members on Deck Structure of Pure Car and Truck Carrier", Master, pp.2015
- Rules for the Classification of Steel Ships Part 3 Hull Structures, "Annex 3-2 Guidance for the Direct Strength Assessment", Korean Register, 2019
- Study for Support Structure of Liftable Car Deck on PCTC, "Na, Y. M.", Society of Naval Architects of Korea, 60~65 (2013)
- Wang, W., "Research on Structural Strength of 7800 PCTC under Flexible Design", IOP Conference Series: Materials Science and Engineering, 398(1) (2018), IOP Publishing