摘要
Aseriesofregularwaveexperimentshavebeendoneinalarge-scalewaveflumetoinvestigatethewave-inducedporepressurearoundthesubmarineshallowlyembeddedpipelines.Themodelpipelinesareburiedinthreekindsofsoils,includinggravel,sandandsiltwithdifferentburialdepth.Theinputwaveschangewithheightandperiod.Theresultsshowthattheamplitudesofwave-inducedporepressureincreaseasthewaveperiodincrease,anddecayfromthesurfacetothebottomofseabed.Higherporepressuresarerecordedatthepipelinetopandthelowerporepressuresatthebottom,especiallyinthesandseabed.Thenormalizedpressurearoundpipelinedecreasesastherelativewaterdepth,burialdepthorscatteringparametersincrease.Forthesiltseabed,thewavelettransformhasbeensuccessfullyusedtoanalyzethesignalsofwave-inducedporepressure,andtheoscillatoryandresidualporepressurecanbeextractedbywaveletanalysis.Higheroscillatorypressuresarerecordedatthebottomandthelowerpressuresatthetopofthepipeline.However,higherresidualpressuresarerecordedatthetopandthelowerpressuresatthebottomofthepipeline.
出版日期
2007年05月15日（中国期刊网平台首次上网日期，不代表论文的发表时间）
