Stability of the Guiding Dike in Yangtze Estuary Under the Wave Load-中国期刊网

摘要 DuringtheconstructionoftheguidingdikeintheYangtzeEstuary,someofthecaissonstructuressankintothesoilfor1～5morslidabout20mawayfromtheoriginalplacewhenastrongstormattackedthisarea.Dynamictriaxialtestswerecarriedouttosimulatethebehavioroffoundationsoilsunderwaveloading.Thetestresultsshowthattheexcessivesettlementandlateralmovementofthecaissonsareduetotheweakeningofthesoftclaystrengthduringthestrongstorm.Thetestresultsalsoshowthattheabilityofthesoftclaytoresistthewaveforcewillbegreatlyincreasedwhenthesoftsoilsamplesaresuitablyimproved.Basedonthetestresults,animprovementmethodcombiningverticaldrainswithsurchargeloadingwasproposedtostrengthenthefoundationsoil.Ontheimprovedsoilfoundation,thedikehasbeenreconstructedandundergoneseveralstrongstormswithoutanydamage.Afiniteelementapproachhasbeendevelopedforanalyzingthesettlementandstabilityofthedikeundertheactionofstrongstorm.

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Stability of the Guiding Dike in Yangtze Estuary Under the Wave Load

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Stability of the Guiding Dike in Yangtze Estuary Under the Wave Load

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