Effectsofnon-couplingchargecoefficientsonexplosionseismic

waveenergyincarbonaterocks

ZHONG Ming-shou; LONG Yuan; XIE Quan-min; JI Chong; LIU Hao-quan

doi:10.11883/1001-1455(2011)06-0612-07

Volume 31 Issue 6

May 2014

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Article Navigation > Explosion And Shock Waves > 2011 > 31(6): 612-618

Yue Songlin, Wang Mingyang, Zhang Ning, Qiu Yanyu, Wang Derong. A method for calculating critical spalling and perforating thicknesses of concrete slabs subjected to contact explosion[J]. Explosion And Shock Waves, 2016, 36(4): 472-482. doi: 10.11883/1001-1455(2016)04-0472-11

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ZHONG Ming-shou, LONG Yuan, XIE Quan-min, JI Chong, LIU Hao-quan. Effectsofnon-couplingchargecoefficientsonexplosionseismic waveenergyincarbonaterocks[J]. Explosion And Shock Waves, 2011, 31(6): 612-618. doi: 10.11883/1001-1455(2011)06-0612-07

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Effectsofnon-couplingchargecoefficientsonexplosionseismic waveenergyincarbonaterocks

doi: 10.11883/1001-1455(2011)06-0612-07

1.
EngineeringInstituteofEngineeringCorps,PLAUniversityofScienceandTechnology,

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NationalNaturalScienceFoundationofChina(10772198)

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Corresponding author: ZHONG Ming-shou
Publish Date: 2011-11-25

Abstract

Abstract

Aimedatthefollowingcharacteristicsoftheexplosionexcitationseismicwaveincarbonate rockswhichincluding weakenergy,highfrequencyandlowsignal-to-noiseratio,anon-coupling chargecoefficientoftheseismicsourcewasdefinedtoimprovethehole-chargestructure.Calculation modelswereproposedforexplosionloadandtransmittedwaveenergy,andthecorrespondinganalyticalsolutionswerecalculatedbyprogramminginMATLAB. Andthen,thefieldexperimentationwas conductedandtheexperimentaldatawereanalyzedbyusingtheenergyanalysismethodbasedonpowerspectra. Boththetheoreticalcalculationandthefieldexperimentationshowthatthetotaltransmittedwaveenergyissmallerwhenthenon- couplingchargecoefficientisbigger,butthemainfrequency oftheseismicwaveislowerandthesignal-to-noiseratioisthehighestwhenthenon-couplingcoefficientis1.5. So,intheactualseismicexploration,thenon-couplingchargecoefficientof1.5canbeadoptedandthetotalseismicenergycanbeaugmentedbyincreasingthetotalchargemassinorderto improvetheseismicexcitationeffect.
- mechanicsofexplosion,
- non-couplingcoefficients,
- seismicwaveenergy,
- carbonaterocks,
- signal-to-noiseratio

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