混凝土中钢筋的腐蚀与防护技术.研究

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1、山东建筑大学硕士学位论文polypropylenefibrehasresistancetocorrosionofrebar,andthebestquantityaddedtoisnotpreponderateover1Kg／m3inconcrete；ThecarbonationdepthwasfoundtodecreasewithincreaseintheDurafibreandmodifiedpolypropylenefibrefumecontent；thecorrosionwasfoundtodecreasewimincr

2、easeintheDurafibreandmodifiedpolypropylenefibreflnTlecontentbyelectrochemicalmethods，thenumericalvalueofhalf-cellpotentialofreinforcementisless，becausethemeetingofDurafibrewhichpreventingthecrackofconcretebringingandthefountainofcrack，decreasingthebugofconcrete，impr

3、ovingcharacterofconcreteandadvancingtheclosingofconcrete．ThisisdecreasingthespeedofC1、02、H20diffusinginconcretewhichisleadingtodecreasethespeedofelectrochemistrycorrosion．CorrosioninhibitorforreinforcingsteelWasconsideredasoneofbestmethods，butthebestinhibitorforrein

4、forcingsteelusuallyneedpurchasefromdevelopedcountries，andthe”bestinhibitorinconcreteisexpensive，itisinfluencethegeneralizetheuseofinhibitorinChina．Now,Na2M004‘2H20havegetgoodapplicationofinhibitortoconcrete．Asaresultofthegoodeffectofdecreasingthespeedofelectrochemis

5、trycorrosion，inthispaper,inhibitorconsistingofsodiummolybdateWasdiscussedthroughempiricalresearch．Theinhibitorcontainsodium．TheinhibitorisaboutNa2M004-2H20，C4H13N3．C4HjN2S，C4H602．．Bymakingseriesconcretespecimensafteraccelerationcorrosion，thebestdirectionsforproducin

6、gchemicalsinhibitorisNa2M004’2H20，0．39／L；C4H13N3，30n正几；C4HsN2S，1．69／L；C4H602，29／L．thesteelbarcorrosiondegreewasascertainedbyelectricitychemistrymethodSimultaneity,comparisonstudyontheconcretespecimensappendinginhibitorWascarriedout．Byweightcorrosionandhalfcellpotent

7、ialmethod，polynomialcorrosionbehaviorWasinvestigated．Inthispaper,theinfluencingfactorsofbasicpropertiesofreinforcingsteelbarwerediscussedbyorthogonaldesignexperiments．Theoptimizedmixratioofhi曲anti-corrosionadmixturecomponenthasbeendetermined，andtheoptimizedmixratioo

8、fhighanti—corrosionadmixturewereconfirmedbyrepeatexperiment．Theresultindicatedthat，theoptimalinhibitorhadagoodeffectinconcrete，theoptimali