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Applicationofmulti-channeltransientrayleigh-wavemethodondynamicconsolidationfoundation
ZHENGZhujian(ChinaNonferrousMetalsSurveyandDesignInstituteofKunming,Kunming650051,China)
Abstract:Multi-channeltransientRayleigh-wavemethodisappliedinnon-uniformdielectric,suchwaveisdispersed.Throughtheanalysisoffrequencydispersioncurve,itcanbedividedintodifferentRayleigh-waveaccordingtorelevantdepth.Rayleigh-wavehascloserelationshipwithshearwave.Shearwavecanbeusedtodivideconstructionsiteintheaseismaticdesign.Itisalsoanecessaryparameterintheevaluationofearthquakeeffect.Throughthestatisticalmethodwhichbuildstheparameterrelationshipbetweentheshearwaveandstandardblownumber,bearingcapacityoffoundationsoil,cohesion,andinternalfrictionangle.Thiscanremedytheshortagecausedbyobjectiveconditionintheconstructionofdynamicconsolidationfoundation.Theessayresearchesintotheapplicationeffectofmulti-channeltransientRayleigh-wavemethodonconstructionofdynamicconsolidationfoundationwithexamples.
Keywords:multi-channeltransientrayleigh-wavemethod;consolidationfoundation;shearwave;standardpenetrationtest;foundationloadcapacity;modulusofcompressibili
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Theapplicationofgroundpenetratingradaronvehiculartunnel
ZHENGZhujian
(ChinaNonferrousMetalsSurveyandDesignInstituteofKunming,Kunming650051,China)
Abstract:Theexcavatedworkinvehiculartunnelprocessesaccordingtothewallrocktypewhichprovidedbyprospectmaterials.However,becauseoftheshortageofexploratorypoints,therearesomedifferencesbetweenthepossibledividedwallrocktypeandtherealsituation.Inordertomakeconstructionfluid,andtoensuretheconstructionquality,wecanlook-aheadforecastandmeasurethefirstandthesecondliningqualitywithgroundpenetraingradar.Therefore,theessayintroducesthefundamentalofgroundpenetraingradar,andexplainsthetesteffectofgroundpenetratingradarappliesinvehiculartunnelwithexamples.
Keywords:vehiculartunnel;groundpenetratingradar;look-aheadforecast;steeltimbering;lining;wallrock;voidunderneath
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