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Abstract ▼ AI-Helper

In order to ensure that submarine pipelines are stable and functional during their project lives, attention must be paid to possibility of their local scouring. When a pipeline is placed on an erodible bed, scour will develop and cause the spanning of the pipeline. U they were destroyed partially or...

In order to ensure that submarine pipelines are stable and functional during their project lives, attention must be paid to possibility of their local scouring. When a pipeline is placed on an erodible bed, scour will develop and cause the spanning of the pipeline. U they were destroyed partially or fully, it might cause enormous restoration expenses and contamination of sea water. This paper aims at examining the characteristics of the scour End the prediction of the local scour depths around the submarine pipelines. The pipelines on the model beach with the uniform slope are placed, and the local scour depths around the pipelines are obtained according to the various wave steepnesses. Using the experimental results, some parameters needed for analyses are calculated. Finally, empirical equations of the scour depth around the pipelines are suggested through the correlation analyses between the rotative scour depth. the KC number and Modified Ursell number.

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