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Keywords: lifting system
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Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1294
... system calculation crane structure fatigue analysis offshore crane lifting system total load cycle stress range bearing upstream oil & gas load spectrum factor pedestal horizontal axis approximation crane cargo load spectrum model load cycle Load spectrum models for offshore...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-296
... ABSTRACT Skip lifting is a new concept of mechanical lifting system for deep-sea mining. It is expected that the skip lifting is capital cost effective and energy efficient compared to hydraulic pump lifting system. Furthermore, the less by-products of seawater and sediment is very attractive...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-416
... are used. Among various equipment and transporters, the gantry crane is one of the main equipment for transporting several blocks to dock from the pre-erection site. The gantry crane has a lifting system composed of complex equipment and instruments. Fig. 1. shows the block lifting system of the gantry...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-684
... of the lifting system in various conditions are studied. The results indicate that the effects of the wave spreading are considerable in both incident and disturbed waves. The shielding effects are less significant in short-crested waves than in long-crested waves. INTRODUCTION Monopile (MP) substructures...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-084
... the vessel are firstly studied in the frequency-domain. The numerical model of the coupled lifting system is established and eigenvalue analysis is carried out. The shielding effects from the floating installation vessel during the lifting operation are accounted for by interpolating wave kinematics between...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-067
... ABSTRACT The deep seabed mining system is generally composed of surface vessel, lifting system, buffer, flexible pipe and miner. The mining system is regarded as a large-scale system in which each subsystem is interconnected to other ones. In order to control a large-scale system...

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