Damagepropagationandfailuremodeofgravitydam

subjectedtounderwaterexplosion

ZHANG Qi-ling; LI Duan-you; LI Bo

doi:10.11883/1001-1455(2012)06-0609-07

Volume 32 Issue 6

Apr. 2014

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Article Navigation > Explosion And Shock Waves > 2012 > 32(6): 609-615

Li Shiqiang, Li Xin, Wu Guiying, Wang Zhihua, Zhao Longmao. Dynamic response of functionally graded honeycomb sandwich plates under blast loading[J]. Explosion And Shock Waves, 2016, 36(3): 333-339. doi: 10.11883/1001-1455(2016)03-0333-07

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ZHANG Qi-ling, LI Duan-you, LI Bo. Damagepropagationandfailuremodeofgravitydam subjectedtounderwaterexplosion[J]. Explosion And Shock Waves, 2012, 32(6): 609-615. doi: 10.11883/1001-1455(2012)06-0609-07

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Damagepropagationandfailuremodeofgravitydam subjectedtounderwaterexplosion

doi: 10.11883/1001-1455(2012)06-0609-07

1.
ChangjiangRiverScientificResearchInstitute,Wuhan 430010,Hubei,China;
2.
ResearchCenteron WaterEngineeringSafetyandDisasterPreventionof MWR,
3.
Wuhan 430010,Hubei,China

Publish Date: 2012-11-25

Abstract

Abstract

Thefiniteelementsoftware,ABAQUS/Explicit,wasusedtonumericallyanalyzetheplasticdamageevolutionofatypicalconcretegravitydamsmonolithbyconsideringthefluid- structure couplingbetweenthedamandthewateraswellasthetensionandcompressiondamageintheconcrete. Thewaterwassimulatedbyusinganacousticelement.Theresultsshowthatthereexistthree potentialfailuremodesinthedam.Besidesthefailureneartheexplosionlocation,anoversizedamage rangeofthedambasemaycausethedamslideoreventilttowardsthedownstream.Thetilttowards thedownstreamoftheabutment,whichiscausedbylocalfailureorfracture,mayleadtoadecrease ofthedamswaterretainingheightandovertopping.Andthelocalrein
- mechanicsofexplosion,
- failuremode,
- ABAQUS/Explicit,
- gravitydam,
- underwaterexplosion

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