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Τίτλος: Critical Water Depth and Installation Curves for Submarine Cable Deployment Process
Συγγραφείς: Mamatsopoulos, Vasileios A. 
Michailides, Constantine 
Theotokoglou, Efstathios E. 
Onoufriou, Toula 
Major Field of Science: Engineering and Technology
Field Category: Civil Engineering
Λέξεις-κλειδιά: Marine cables;S-lay installation;Water depth effects;Catenary theory;Installation vessel;Critical water depth
Ημερομηνία Έκδοσης: 24-Οκτ-2020
Πηγή: Journal of Marine Science and Engineering, 2020, vol. 8, no.11, articl. no. 838
Volume: 8
Issue: 11
Περιοδικό: Journal of Marine Science and Engineering 
Περίληψη: The purpose of the present paper is to propose installation curves for submarine cable deployment process for different water depths and tension deployment, emphasizing on the importance of modelling the “out of water” cable segment and the friction force between cable and overboard chute of the installation vessel. A custom-made analysis tool has been further expanded and used for the calculation of the cable hydraulic critical responses. Moreover, the concept of the critical water depth is proposed analytically for first time to define the cases in which the “out of water” cable segment can be ignored without denoting the accuracy of the minimum bending radius calculation. In addition, correction factors are proposed in relation to water depth and bottom tension values in order to eliminate the error of the safety factor calculation. Numerical formulation of the friction has been incorporated in the custom-made analysis tool as a further development. The analysis of various cable deployment cases proves that the inclusion of the “out of water” segment in the analysis is critical in shallow water areas. In contradiction, the modelling of the friction force is critical in deep water areas. However, both parameters are potential causes of important analysis errors.
URI: https://hdl.handle.net/20.500.14279/22457
ISSN: 20771312
DOI: 10.3390/jmse8110838
Rights: © by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license. Attribution 4.0 International
Type: Article
Affiliation: Cyprus University of Technology 
C.D.C. Construction Company 
National Technical University Of Athens 
Publication Type: Peer Reviewed
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