巖體結(jié)構(gòu)面的工程性質(zhì)

1、浙江大學(xué)博士學(xué)位論文巖體結(jié)構(gòu)面的工程性質(zhì)姓名：杜時貴申請學(xué)位級別：博士專業(yè)：巖土工程指導(dǎo)教師：龔曉南19990101EngineeringBehaviorofDiscontinuitiesinRockMassAbstraetOnthebasisoftheprinciplethatrockmassisconsistofdiscontinuityaswellasintactrock，andthediscontinuityisdefineda

2、stheprominentseparationplaneordiscontinuityofgeometricandmechanicspropertiesamongintactrocksaccordingtogradationandrelativitythispaperpresenttheviewpointthattheengineeringpropertiesofrockmassdiscontinuitiesshouldincludeg

3、eometricandmechanicspropertiesThispaperstudiedemphaticallythegeometriceffectandmechanicseffectofdiscontinuitiestothestabilityofengineeringrockmassOnthebasisofauthor’Sresearchachievementsandtheadvanceofrockmechanics，thefo

4、llowingviewpointsarepresent：(1)RockQualityDesignation(RQD)hasthepropertyofanisotropyItismorereliabletochoosesmallthresholdvalueofrockblockthanbigonewhileusingdrillingmethodtOdetermineRQDWhenthereis4ormoresetsofdiscontinu

5、itiesinrockmasstheRQDvalueobtainedbyDeere’SdrillingmethodorRQDo1obtainedbynetsimulationhashighreliabilitywhichcanheusedtOevaluatethestabilityofengineeringrockmassdirectly(2)Thesurfaceprofilesofdiscontinuitiesinrockmassar

6、emadeupofthreemainfactors：macroprofile，surfaceundulationandmicroroughnessThesurfaceundulationdeterminesthevalueofangleofascent，andmacroprofileandmicroroughnesshavesmallinfluenceonmechanicspropertyofdiscontinuitiesInJRCJC