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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

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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。

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