動能侵徹彈侵徹混凝土技術研究.pdf

1、四川大學碩士學位論文動能侵徹彈侵徹混凝土技術研究姓名：蔣榮峰申請學位級別：碩士專業(yè)：固體力學指導教師：陳孟詩周德惠20030326動轆侵襁彈經(jīng)鏹耀凝土技術銹究TechniquesofKineticEnergyProjectilePenetratingintotheConcreteAuthor：建猹￡輦l白≥輦疊萋美彗gDirector：—ChenM—en8Shi—ZhouD—eHuiAbstractAimedto巍痊dtargetmad

2、eofconcretethetechniquesofmekineticenergyprojectilepenetrationintothetargetarestudied姆virtueoftheorificalanalysisandexperimentalresearchinthispaperThemechanicalpropertiesoftheconcreteweresynlhetieatlyanalyzedrespectively

3、Thetensofquasi—staticsanddynamicsofdifferentinitialimpactingvelocitiesandloodonfivesortsofconcretematerialswerecondnotedTheexperimentalresultsshowedthatdestructivestrengthofconcretematerialsindynamicswerehigherthaninstat

4、icsandthatthedestructivestrengthandstrainofthesamesortofconcreteincreasedwiththeimpactingvelocitiesincreasing，buttheydidnotshowline羽yTheprocessofprojectileimpactinghalfindefiniteconcretemediumwassinglyanalyzedTheanalysis

5、showedthatthewholeprocessconsistedoftwophrases，i，e，initialcraterforufingphraseandpenetrationphrase您llowing，Applyingthesphericalcavity—expansiontotheprocessofproctilpenetrationintotheconcretemedium。amodelwasestablishedIn融

6、ismodeltheyietdprocessofthe1110diumwagdescribedbyintroductionofMohrCoutombruleandtheaxialresistanceonprojectileduringpenetrationphraseandcalculationformulaofeverkineticparameterwereobtained，Theaxialresistanceonp嘲ectitedu

7、ringcraterforufingandeachkineticparanaeterwerecaculatedapproximatelyToexplorethepenetratinggeneralityandthephenomenawhilep嘲eetilepenetratingconcretetarget，andexplorelimitarypenetratingcapabilityandthetargetdestroyedsimat