Blaststressfieldoflinearexplosivechargeanditsapplication

tomedium-depthholeblastinginundergroundmine

WANG De-sheng; GONG Min; WANG Zi-xue; ZHANG Wen-zhe

doi:10.11883/1001-1455(2011)04-0355-06

Volume 31 Issue 4

May 2014

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Article Navigation > Explosion And Shock Waves > 2011 > 31(4): 355-360

WANG De-sheng, GONG Min, WANG Zi-xue, ZHANG Wen-zhe. Blaststressfieldoflinearexplosivechargeanditsapplicationtomedium-depthholeblastinginundergroundmine[J]. Explosion And Shock Waves, 2011, 31(4): 355-360. doi: 10.11883/1001-1455(2011)04-0355-06

Citation:

WANG De-sheng, GONG Min, WANG Zi-xue, ZHANG Wen-zhe. Blaststressfieldoflinearexplosivechargeanditsapplication tomedium-depthholeblastinginundergroundmine[J]. Explosion And Shock Waves, 2011, 31(4): 355-360. doi: 10.11883/1001-1455(2011)04-0355-06

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Blaststressfieldoflinearexplosivechargeanditsapplication tomedium-depthholeblastinginundergroundmine

doi: 10.11883/1001-1455(2011)04-0355-06

1.
CivilandEnvironmentEngineeringSchool,UniversityofScienceandTechnologyBeijing,

Funds:

NationalNaturalScienceFoundationofChina(19802002)

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Corresponding author: WANG De-sheng
Publish Date: 2011-07-25

Abstract

Abstract

Aimedatthefactthatthetheoreticalguidanceforthesphericalconcentratedchargeblasting haveadiscrepancywiththeactualstatusinthedesignofthemedium-depthholeblasting,twotypes ofexperimentalmodelswereproposed.Modelexperimentswerecarriedoutbyusingholographiclaser dynamicphoto-elasticitytoexploretheexplosionstressfieldsofglobularcharge,andwhichoflinear chargedetonatedatdifferentpoints.Nineorthogonaltests(forty-fourrows)insitewereconductedaboutrowspacing( theminimumresistanceline),holefacedistanceanddetonationpointinborehole toobtainsuitblastingparametersbycombiningtheexperimentalresultsandfineblastingeffectswere got.
- mechanicsofexplosion,
- blastingparameters,
- holographiclaserdynamicphoto-elasticity,
- linearcharge,
- globularcharge,
- medium-depthhole,
- blastingeffect