冲击映像法及其在超长距离顶管施工泥浆套检测中的应用.pdf
445()Vol.44No.5
202210JournalofCivilandEnvironmentalEngineeringOct.2022
DOI:10.11835/.issn.2096-6717.2020.195()(OSID):
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1121
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:TU94:A:2096-6717(2022)05-0148-09
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(1.SchoolofNavalArchitecture,OceanCivilEngineering,ShanghaiJiaoTongUniversity,Shanghai200240,P.R.China;
2.ShanghaiTunnelEngineeringCompany,Ltd.,Shanghai200082,P.R.China)
:Resistance-reducingwithslurryisakeytechniqueintheconstructionoflong-distancepipe
jacking.Thethicknessoftheslurryiscloselyrelatedtotheengineeringquality.Basedonthebasicprinciple
ofimpactimagemethod,arapiddetectionmethodforaccuratelygraspingthedistributionconditionof
slurryoutsidethepipejackingisproposedinthisarticle,andthevalidityofthedetectionmethodis
exploredthroughmodeltestandfieldtest.Accordingtotheresultsofmodeltest,thenormalizedimpact
responseintensityistakenastheevaluationindextoreflectthedistributionconditionofslurry.Finally,it
hasbeensuccessfullyappliedtoalarge-scalewaterdiversionprojectinSuzhou.Theresearchshowsthat
theimpactimagemethodhasobviousadvantagesoverthetraditionalpressureobservationmethodin
detectingthethicknessofslurry,whicheffectivelyimprovestheefficiencyofdetectionandthe
:2020-08-26
:41727802)
:(1996-),,、,E-mail:lintianxiang@sjtu.edu.cn。
(),,,,E-mail:l@sjtu.edu.cn。