In order to ensure the safety and reliability of a sea-crossing bridge project under more severe extreme weather conditions,and coordinate the design of the artificial island flood control and drainage facilities for the main project,two wave physical model tests were carried out to verify and optimize the design scheme of drainage facilities on artificial island.According to the technical requirements of the test,under the condition of different wave,different top elevations of retaining wall and different width of peak platform,the test is accepted to determine the wave overtopping rate at the top of the north and south revetment in artificial island,the maximum height of upstream,the flood plain situation in artificial island,and check the drainage capacity of the overtopping drainage facilities.Under the initial design conditions and more extreme supplementary review wave conditions,by performing the experiment,the original design scheme of the north and south revetment was verified whether to satisfy the requirement of overtopping flood discharge requirement,and the design scheme was optimized to meet the drainage requirements under more extreme conditions,which provides a scientific basis for the engineering design.The research findings from this study have been successfully applied to the practical implementation of this project.Over the past few years,despite several super typhoon events,the bridge and artificial island has remained undamaged,preventing any casualties or economic losses.
cross-sea bridgeartificial islandovertoppingflood control and drainagephysical model testtyphoon
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