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1、高压喷射灌浆和深层搅拌法加固技术（Reinforcementtechniqueofhighpressurejetgroutinganddeepmixingmethod）Reinforcementtechniqueofhighpressurejetgroutinganddeepmixingmethod-Abstract:thetechnologyofhighpressurejetgroutinganddeepmixingissimilar.Themaindifferenceisthatdifferentfeedingandmixingmethodsareadopted.Ke
2、ywords:highpressurejetgrouting;deepmixing;strengtheningFirst,highpressurejetgroutingtechnologyHighpressureinjectionmethodistheuseofengineeringdrillingtodesignprocessingdepth,highpressuremudpump,throughtheinstallationofthedrillpipe(sprayrodrod)specialnozzlearrangedattheendofthebottomoftheh
3、ole,jetcementslurrytosurroundingsoilpressure(generalusecement),andthedrillpipe(boom)rotateatacertainspeedthesoilstructureupgrade,highpressurejetwithinacertainrangeofdamage,andforcedmixingandcuringslurrysolidificationaftertheformationofasolidwithcertainpropertiesandshapeinsoil.Theshapeofth
4、econsolidatedbodyisrelatedtothedirectionofthejetflow.Generallydividedintorotaryjet(referredtoasrotaryjet),directionaljet(referredtoasfixedjet)andoscillatingjet(referredtoaspendulumspray).Thejetgroutingpileismainlyusedtoreinforcethefoundation,improvetheshearstrengthofthefoundation,andimpro
5、vethedeformationpropertyofthefoundationsoil,sothatitcannotdestroyorproducetoobigdeformationundertheactionoftheupperstructure.Jetconsolidationbodyiswallshaped,fan-shapedjetformationconsolidationthickbody.Constantinjectionandpendulumsprayingareusuallyusedtopreventseepageoffoundationandimpro
6、vehydraulicconditionandslopestabilityoffoundationsoil.(1)reinforcementmechanismHighpressurecompressedairparceldamagewithhighimpactjetflowstirringsoilspraymethodsuchasthreehighandlowpressurespraymethod,groutingslurryispouredintotheslurrypump,highpressurewaterandairentrainmentinto,anddistur
7、bedsoilmixedconsolidated.Themechanismofreinforcingthefoundationtoformpiles,platesandwallscanbeexplainedbyfivefunctions:1.highpressurejetcuttingdestroysthesoil,andthedynamicpressureofthejetimpactsthesoilinpulseform,andthestructureofthesoilisdestroyedandthecavityappea
