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211121(11)15851589200211ChineseJournalofRockMechanicsandEngineeringNov.2002200110122001122*(200048)(8001003)(10172090)19661988()1211121(1()3S100083)(2063009)()(1)(2)(3)-(4)-TD79TU452A1000-6915(2002)11-1585-05()10a()[16](RSRM)[7]RSRM-()2TVS-8100MKIIEHG-UG500kNEHG-UG500kN750kN0.5%TVS-8100MKII0.02532024060P/s3.64.6μmf=50mmh=100mm(1)(53%15mm)(20%15mm)(10%0.44mm)(10%0.53mm)(2%0.30.5mm)(2)(54%0.10.4mm)(30%0.10.4mm)(5%0.4mm)•1586•2002(10%0.1mm)(1%0.1mm)(3)(52%48mm0.51mm)(23%0.51mm)(8%0.51mm)(7%0.51mm)(8%0.51mm)31m5.510s/5-1/s33.1-()1[8]15.510s/5-1(1)0.95(2)(a)2-35(b)5-c2(c)6-c21-Fig.1TherelationshipbetweenaverageTIRtemperatureofsampleanditsaxialstressskTT+=0(1)T(C)s(MPa)T0(C)K(C/MPa)s401026.6-×+=TT(2)s401074.9-×+=TT(3)20020406080100140160T/Cs/MPaT=25.59+13×104s25.8025.7525.7025.6525.6025.55120050100150200T=25.41+5.62×104ss/MPaT/C25.5225.5025.4825.4625.4425.4225.402252002040608010012014016018020025.74s/MPa25.7225.7025.6825.6625.6425.62T=25.64+4.69×104sT/C2111.•1587•1Table1ThelinearfittingparametersbetweentheaverageTIRtemperatureandtheaxialstressofrocksamples/104CMPa13-c20.9918.150.00511493-c30.9805.280.00621766-c10.9523.440.00471416-c20.9895.620.00481746-c40.9938.790.00591695-310.956.350.011845-330.98211.700.00971805-c10.9767.910.00741755-c20.99413.000.00641862-350.9644.690.0074185s401069.4-×+=TT(4)33.2()3(2)332210WkWkWkTT+++=T(C)T0(C)k1k2k3W(J)20.90.95(a)6-c4(b)5-c22Fig.2RelationshipbetweentheaverageTIRtemperatureandmechanicalworkofsamples2Table2Thefittingparametersofcubiccurve5-310.9410.00751845-330.9650.00941805-c10.9510.00761755-c20.9840.00741863-c20.9770.00591493-c30.9710.00501766-c10.9030.00481416-c20.9750.00531746-c40.9810.00691692-350.9430.0066185-(3)3.320020406080100120140160T=25.15+2.85×103W2.54×105W2+9.02×108W3T/C25.32W/J25.3025.2825.2625.2425.2225.2025.1825.1625.1425.12T=25.60+4.11×103W4.55×105W2+1.98×107W320020406080100120140W/JT/C25.8025.7525.7025.6525.6025.55•1588•2002(4)35-c2-Fig.3Theaxialstress-straincurvebeforepeakstressofsample5-c2(a)(b)50%(c)(d)45-33TIRFig.4TheTIRimagesevolutionprocessofsample5-33fromloading-beginningtopeak-stress3.455Fig.5TherelationshipbetweenaverageTIRtemperatureandaxialstressofpre-damagedrock4(1)(2)(3)shearingzone02468101216014012010080604020020e/103s/C02040608010025.64T/Cs/MPa25.6325.6225.6125.602111.•1589•[9][10]--3[11][12][13](1)(2)(4)1.[J].199214()6456522.[J].199338(6)5385413WuLXWangJZ.Featuresofinfraredthermalimageandradiationtemperatureofcoalrocksloaded[J].ScienceinChina(D)199841(2)1581644WuLXWangJZInfraredradiationfeaturesofcoalandrocksunderloading[J].Int.J.RockMech.&Min.Sci.199835(7)9699765WuLXCuiCYGengNGetalRemotesensingrockmechanics(RSRM)andassociatedexperimentalstudies[J].Int.J.RockMech.andMin.Sci.200037(6)8798886.[J].200120(2)1391467WuLXWuHPLiGH.Experimentalexplorationtothermalinfraredimagingfordetectingthetransientprocessofsolidimpact[J].ChineseScienceBulletin200146(10)8728778.[][D].20009.[J].200015(6)63764310.[M].199349811.[J].()199417(3)434712GornyVISalmanAGTroninAAetal.TheearthoutgoingIRradiationasanindicatorofseismicactivity[J].ProceedingoftheAcademyofSciencesoftheUSSR.1988301(1)676913TroninAA.Satellitethermalsurveyanewtoolforthestudyofseismoactiveregions[J].Int.J.RemoteSensing199617(8)14391455QUANTITATIVESTUDYONTHETHERMALINFRAREDRADIATIONOFDARKMINERALROCKINCONDITIONOFUNIAXIALLOADINGLiuShanjun12WuLixin1WuHuanping1WuYuhua1ChengTao2LiGuohua1(13SandSubsidenceEngineeringInstituteChinaUniversityofMiningandTechnologyBeijing100083China)(2ResourceDepartmentHebeiInstituteofScienceandTechnologyTangshan063009China)AbstractThequantitativecharacteristicsofthermalinfraredradiation(TIR)ofrocks(granodioritegneissandgabbro)aroundthecapitalareaBeijingChinainconditionofuni-axialloadingwereexperimentallystudied.Itwasdiscoveredthat(1)therelationshipbetweentherocksample′saverageinfraredradiationtemperature(AIRT)anditsaxialstressispositivelinearlyrelatedbeforepeakstress(2)therelationship-curvebetweentherocksample′sAIRTanditsacceptedmechanicalenergyiscubicbeforepeakstress(3)theIRTrisesinsidethesample′sshearingzonewhiledropsinitslaxzoneafterpeckstressand(4)thetendencyoftheAIRTvariationofpre-damagedrocksamplesissimilartothatofintactrocksamplesexceptitsfluctuation.Finallythefunctionsbetweenthesample′sAIRTanditsaxialstressandtherelationshipbetweenthesample′sAIRTanditsacceptedmechanicalenergyarequantitativelygiven.Besidesthephysico-mechanicalmechanismofearthquakeremotesensingaswellasitsTIRprecursorsisdiscussed.Keywordsremotesensingrockmechanics(RSRM)thermalinfraredradiationenergytransformationquantitativeanalysisearthquakeremotesensing
本文标题:多暗色矿物类岩石单轴加载过程中红外辐射定量研究
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