Antiknockperformanceofconcretegravitydam subjectedtounderwaterexplosion

ZhangShe-rong; WangGao-hu

doi:10.11883/1001-1455(2013)03-0255-08

Volume 33 Issue 3

Mar. 2014

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ZhangShe-rong, WangGao-hu. Antiknockperformanceofconcretegravitydam subjectedtounderwaterexplosion[J]. Explosion And Shock Waves, 2013, 33(3): 255-263. doi: 10.11883/1001-1455(2013)03-0255-08

Citation:

ZhangShe-rong, WangGao-hu. Antiknockperformanceofconcretegravitydam subjectedtounderwaterexplosion[J]. Explosion And Shock Waves, 2013, 33(3): 255-263. doi: 10.11883/1001-1455(2013)03-0255-08

ZhangShe-rong, WangGao-hu. Antiknockperformanceofconcretegravitydam subjectedtounderwaterexplosion[J]. Explosion And Shock Waves, 2013, 33(3): 255-263. doi: 10.11883/1001-1455(2013)03-0255-08

Citation:

ZhangShe-rong, WangGao-hu. Antiknockperformanceofconcretegravitydam subjectedtounderwaterexplosion[J]. Explosion And Shock Waves, 2013, 33(3): 255-263. doi: 10.11883/1001-1455(2013)03-0255-08

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Antiknockperformanceofconcretegravitydam subjectedtounderwaterexplosion

doi: 10.11883/1001-1455(2013)03-0255-08

ZhangShe-rong,
WangGao-hu^,

1.
StateKeyLaboratoryof HydraulicEngineeringSimulationandSafety,TianjinUniversity,Tianjin 300072,China

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Corresponding author: WangGao-hui
Publish Date: 2013-05-25

Abstract

Abstract

Thedynamicresponsesofstructuresunderblastloadingaremuchmorecomplicatedthan thoseunderotherloadingssuchasstaticandearthquakeloadings.Inordertofullyrealizetheblastresistancesofconcretegravitydams, agreatmanynumericalsimulationswereimplementedbyusing three-dimensionalnonlinearfiniteelementmodels.Theinfluencesofdamheightandwaterlevelbeforethedamsontheblastresistanceofthedamswereanalyzed, andatheoreticalbasiswasprovided forantiknockperformanceevaluationandprotectiondesign.Strainrateeffectsofconcretedamswere takenintoconsiderationintheestablishmentofthefully-coupledmodelforthegravitydams.Forthis kindofconcretegravitydams,numericalresultsindicatethattheblastresistanceofthelowdamsis weakerthanthatofthehighdams,thatthewaterlevelbeforethedamsplaysanimportantroleonthe antiknockperformancesofthedams,andthattheantiknockperformancesofthedamscanbeeffectivelyimprovedbyreducingthewaterlevel.
- mechanicsofexplosion,
- concretegravitydam,
- antiknockperformance,
- underwaterexplosion,
- failuremode,
- dynamicresponse

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