ZHANG She-rong, WANG Gao-hui, WANG Chao, SUN Bo. Failuremodeanalysisofconcretegravitydamsubjectedtounderwaterexplosion[J]. Explosion And Shock Waves, 2012, 32(5): 501-507. doi: 10.11883/1001-1455(2012)05-0501-07
Citation:
ZHANG She-rong, WANG Gao-hui, WANG Chao, SUN Bo. Failuremodeanalysisofconcretegravitydam
subjectedtounderwaterexplosion[J]. Explosion And Shock Waves , 2012, 32(5): 501-507. doi: 10.11883/1001-1455(2012)05-0501-07
ZHANG She-rong, WANG Gao-hui, WANG Chao, SUN Bo. Failuremodeanalysisofconcretegravitydamsubjectedtounderwaterexplosion[J]. Explosion And Shock Waves, 2012, 32(5): 501-507. doi: 10.11883/1001-1455(2012)05-0501-07
Citation:
ZHANG She-rong, WANG Gao-hui, WANG Chao, SUN Bo. Failuremodeanalysisofconcretegravitydam
subjectedtounderwaterexplosion[J]. Explosion And Shock Waves , 2012, 32(5): 501-507. doi: 10.11883/1001-1455(2012)05-0501-07
Failuremodeanalysisofconcretegravitydam
subjectedtounderwaterexplosion
Corresponding author:
WANG Gao-huiPublish Date:
2012-09-25
Abstract
StrainrateeffectofconcretedamwastakenintoconsiderationintheestablishmentofgravitydamfullycoupledmodelbyusingsoftwareLS-
DYNA.Numericalsimulationmethodwasusedto
studythedynamicresponseofthedamsubjectedtostrongunderwaterexplosionshockloading.The
possiblefailuremodeandcorrespondingfailuremechanismofconcretegravitydamwerediscussed.It
isfoundthatthefailuremodesofdamunderblastloadingdependnotonlyonitsowndynamiccharacteristics,
butalsoontheunderwaterdepth,theblastcenterdistanceandthebombdosage.Thehead
ofagravitydamisoneofweakpartsforantiknockperformance.Possiblefailuremodesofadamincludeexplosiontopitsatupstreamfaceconcretezoneswhichmeetexplosive,
explosion-inducedcollapseatcrestanddownstream,
brittlepunchingatjointoftheheadandupstreamplanesandnearthe
downstreamslopewithpenetratingcracks.
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