Numericalsimulationoftoweringtubbystructureblastingdemolition

XIE Chun-ming; YANG Jun; XUE Li

doi:10.11883/1001-1455(2012)01-0073-06

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XIE Chun-ming, YANG Jun, XUE Li. Numericalsimulationoftoweringtubbystructureblastingdemolition[J]. Explosion And Shock Waves, 2012, 32(1): 73-78. doi: 10.11883/1001-1455(2012)01-0073-06

Citation:

XIE Chun-ming, YANG Jun, XUE Li. Numericalsimulationoftoweringtubbystructureblastingdemolition[J]. Explosion And Shock Waves, 2012, 32(1): 73-78. doi: 10.11883/1001-1455(2012)01-0073-06

XIE Chun-ming, YANG Jun, XUE Li. Numericalsimulationoftoweringtubbystructureblastingdemolition[J]. Explosion And Shock Waves, 2012, 32(1): 73-78. doi: 10.11883/1001-1455(2012)01-0073-06

Citation:

XIE Chun-ming, YANG Jun, XUE Li. Numericalsimulationoftoweringtubbystructureblastingdemolition[J]. Explosion And Shock Waves, 2012, 32(1): 73-78. doi: 10.11883/1001-1455(2012)01-0073-06

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Numericalsimulationoftoweringtubbystructureblastingdemolition

doi: 10.11883/1001-1455(2012)01-0073-06

1.
StateKeyLaboratoryofExplosionScienceandTechnology,
2.
BeijingInstituteofTechnology,Beijing100081,China;

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Corresponding author: XIE Chun-ming
Publish Date: 2012-01-25

Abstract

Abstract

Theblastingdemolitionprocessesofatypicaltoweringtubbystructurecoolingtowerwere numericallysimulatedbyadoptingthecommonnodeseparatereinforcedconcretemodeltocompare thetwodemolitiondesignswithcuttingseamandwithoutcuttingseaminthemiddleofthetower gap,respectively.Thecommonnodeseparatemodelcanreflectthedifferencesbetweenthemechanicalpropertiesofconcreteandreinforcementthroughanalysisonthe rloadingprocess.Thestructure sittingdownandbackbreaktendencyinthecollapseprocesscandecreasebyadoptingthecutting seamdesign,whichcanmakethebackofthetowerseriouslydistortandinducethetowertomore completelydisintegrate,anditcanalsodecreasethewholecollapsetimeandtherangeofthemuck pile.
- mechanicsofexplosion,
- blastingdemolition,
- commonnodeseparatemodel,
- tubbystructure