Design and Stability Calculation Method for Submarine Cable Riprap Protection
With the booming of the ocean economy,the power transmission of offshore wind power,offshore oil and gas platform energy supply and inter-island power grid interconnection and other projects are increasing,these projects are widely involved in the laying of submarine cables and protection.While Riprap Protection is a common protection method,there is no uniform method to follow for the design of Riprap Protection for submarine cables.Therefore,this paper proposes a design method based on the correlation of engineering geology and hydrology,anchor type and anchor weight,and elaborates on the calculation method of the stability of Riprap Protection,including the calculation formulas and examples of the open-embedded,concealed-embedded and hybrid Riprap Protection.The validity and reliability of the method is proved through the verification of actual engineering cases.Some of the parameters involved in the method need to be back deduced from the test results,which can be used in practical applications after verification based on field tests.
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