Abstract
This paper presents mooring system analysis on submerged floating tunnel (SFT) with a number of mooring configurations and the influence of mooring angle variations to its dynamic response. Working loads considered on the tunnel are current and wave loads. The tunnel structure is assumed of steel tubewith 150 m length and 5 m of diameter. Mooring configurations used are varied with 12, 16, 20 and 28 lines, with mooring angle respective to thevertical line are 30, 45 and 60 degrees. The structure was numerically modeled and the results showed that the biggest tension of 241.53 tons occurred for the case of wave heading 45 degree, 30 degree mooring inclination and with 28 mooring lines. This case generatedlarge lift force so that a very high lines tension occurred.
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