Experimentalresearchondestructionmechanismof

large-scalefloating-roofoiltankunderblastloading

LU Sheng-zhuo; WANG Wei; ZHANG Bo-yi

doi:10.11883/1001-1455(2011)02-0158-07

Volume 31 Issue 2

May 2014

Turn off MathJax

Article Contents

Article Navigation > Explosion And Shock Waves > 2011 > 31(2): 158-164

LU Sheng-zhuo, WANG Wei, ZHANG Bo-yi. Experimentalresearchondestructionmechanismoflarge-scalefloating-roofoiltankunderblastloading[J]. Explosion And Shock Waves, 2011, 31(2): 158-164. doi: 10.11883/1001-1455(2011)02-0158-07

Citation:

LU Sheng-zhuo, WANG Wei, ZHANG Bo-yi. Experimentalresearchondestructionmechanismof large-scalefloating-roofoiltankunderblastloading[J]. Explosion And Shock Waves, 2011, 31(2): 158-164. doi: 10.11883/1001-1455(2011)02-0158-07

Citation:

PDF( 1065 KB)

Experimentalresearchondestructionmechanismof large-scalefloating-roofoiltankunderblastloading

doi: 10.11883/1001-1455(2011)02-0158-07

1.
CollegeofCivilEngineering,HarbinInstituteofTechnology,

Funds:

NationalNaturalScienceFoundationofChina(51078115)

More Information

Corresponding author: LU Sheng-zhuo
Publish Date: 2011-03-25

Abstract

Abstract

Toexplorethedynamicresponseofasuper-largeoiltankaffectedbygaseousmixtureexplosion, impactexperimentswereconductedonfloating-roofoil-tank modelsimpactedbysteadyblast wave,whichwasinducedbythereactionofacetylene/airmixturespropagatingalongapipe,ininflammablemixturedetonationfacilities. Theoverpressureload,dynamicstrainandvibrationaccelerationhistoriesweremeasuredatthewallsoftheoil- tankmodels.Thedestructionmechanismsofthe large-scalefloating-roofoiltankunderblastloadingwereanalyzed.Inthedeformationprocessofthe tankstructuresubjectedtoinflammablegasexplosion,theinnerliquidisinducedtogeneratecompressivewavetointensivelycollidewiththewallofthetank, thebackwallpressuretransmittedby liquidcollisionisinthesameorderofmagnitudewiththeblastwavepressureonthefront,buttheactuationtimeoftheformerislonger. Meanwhile,thetopoftheoil-tankinnerwallontheblastsideis intensilestate,encountersthemaximumtensilestrain,andhastheweakestresistancetoexplosion andblastloadingforthewholestructure.
- mechanicsofexplosion,
- destructionmechanism,
- blastloading,
- floating-roofoiltank,
- dynamicstrain,
- vibrationacceleration,
- inflammablemixtur