線性極化法檢測(cè)混凝土中鋼筋銹蝕的實(shí)驗(yàn)研究.pdf

1、I線性極化法檢測(cè)混凝土中鋼筋銹蝕的實(shí)驗(yàn)研究TestResearchoftheLinearPolarizationMethodfInspectingCrosionoftheRebarinConcrete碩士研究生：朱曉娥院系：工學(xué)院土木系專業(yè)：結(jié)構(gòu)工程年級(jí)：二零零三級(jí)導(dǎo)師：謝慧才教授研究方向：結(jié)構(gòu)健康檢測(cè)與監(jiān)測(cè)系統(tǒng)汕頭大學(xué)工學(xué)院土木系二零零六年五月IIIABSTRACTCrosionoftherebarinconcreteisanimpt

2、antfactfthehealthofthereinfcedconcretestructures.Linearpolarizationmethodisanimptantelectrochemicalnondestructivetechniquegettingthecrosionratefevaluatingthecrosiondegreeinfuture.Howeverthemethodisseldomusedonsiteproject

3、swithsolargedifferences.Itisdifficulttousethemeasurementresultfpracticalmaintenancerepairplanningoftheconcretestructure.Inadditionthereislackofcalibrationmethodsfthesenondestructivetechniques.Thispaperisstudyinusingofthe

4、linearpolarizationdeviceGEC6.Concretespecimensweremadeinlabacceleratedfcrosionmakingthedifferentcrosiondegree.Usingthedeviceinspectedallofthespecimenswithdifferentcrosiondegreedifferentcrosionrate.Inspectingallthespecime

5、nsduringthethetestperiodsfoundoutthemethodmakeallthecrosionparametersgettingfromthedevicetobestabilization.Getthecrosionparametersinthealltestperiodfindingthatthelogarithmrelationshipbetweenthecrosionpotentialthecrosionr

6、atetheexponentialrelationshiptheelectricalresistancethecrosion.SpeciallyIntheendofthetestlosingweightisusedtocalibratethecrosionratefindingthatthereissomeerrbetweenthenondestructivetestthedestructivetestusingthecrosionpo

7、tentialmodifythecrosionratecangettingthewellresultgivetheexperiencefmulafthefuturewk.Crosionoftherebarisinfluencedbysomanyfactssothecrosionareathecrosiondepthisaromvariable.Thispapertriestofindtheromdistributelawofthecro

8、sionareathecrosiondepth.―Gumbel‖distributioncanmeetthemwell.Researchtherelationshipbetweenhalfcellpotentialmeasurementsthelinearpolarization.Getthecrosionratebytheexperiencefmulafromthehalfcellpotential.TheGEC6isusedinfi

9、eldproject.Accdingtheexperienceresultfromthispapergivetheevaluationsuggestingfthecrosionoftherebarinconcretecolumns.Thispapergivethereferencefthedetectingthecrosionoftherebarinconcreteusinglinearpolarizationspeciallyfthe

10、GEC6iscrectusedgivetherightsuggestdependontheresultofthecrosionparameters.Speciallythepaperisaprewkftherecommendationoftheinspectingofthecrosionbythelinearpolariztrion.Keywds:crosionlinearpolarizationcrosionratecrosionpo