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《Analytical and numerical study of P-wave attenuation in rock shelter layer》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、ARTICLEINPRESSSoilDynamicsandEarthquakeEngineering](]]]])]]]–]]]ContentslistsavailableatScienceDirectSoilDynamicsandEarthquakeEngineeringjournalhomepage:www.elsevier.com/locate/soildynAnalyticalandnumericalstudyofP-waveattenuationinrockshelterlayera,b,bcZ.L.Wa
2、ng,H.Konietzky,R.F.ShenaDepartmentofModernMechanics,UniversityofScienceandTechnologyofChina,Hefei230027,ChinabInstitutfu¨rGeotechnik,TechnischeUniversita¨tBergakademieFreiberg,Freiberg09596,GermanycCentreforSoftGroundEngineering,NationalUniversityofSingapore,Si
3、ngapore119260,SingaporearticleinfoabstractArticlehistory:TheprotectionofundergroundstructuresagainstdynamicloadingshaslongbeenatopicofgreatReceived6December2008interestindefenseengineering.Thispaperfocusesonthefar-?eldblast-wavepropagationandReceivedinrevisedfo
4、rmattenuationinrockshelterlayerwithaninclusionor?lledmedium.First,theeffectofsingleinclusion4May2009onwaveattenuationisexploredanalyticallyassumingthattheinterfacesbetweenrockandtheAccepted5May2009inclusionarecompletelyconsolidated.Theformulaeforthestrengthofto
5、taltransmittedstress-andvelocity-waveaftertheinclusionaresubsequentlypresented.Atlast,numericalstudiesontheKeywords:attenuationofone-dimensionalP-waveinrockembeddedwitharti?cialcavity,steelplateandnaturalRockshelterlayerjointarecarriedout.Theattenuationrulesfor
6、variousscenariosarediscussedindetailinthispaperInclusionwhichcanprovideusefulguidelinestothedesignofintelligentdefensestructures.Waveattenuation&2009ElsevierLtd.Allrightsreserved.AnalyticalsolutionNumericalanalysis1.Introductionlayer,butthereisalimitationtosuch
7、thicknessincreaseinpractice.Hence,pursuingstudiesontheef?cacyofnovelCivildefensestructuresareusuallyconstructedbeneaththeintelligentdefensestructuresondamping,dissipatinganddecay-groundtoprovideprotectionagainstthedestructiveeffectsofingblastwavessoastoimprovet
8、heircapacitytovariouskindsofblasts.Apartfromthebasicobjectiveofpreventingfailureoftheshells,bombsandmissileshasbeenacoresubjectinthedefensestructureitself,amajorconcernisthe
