聚丙烯纖維改性混凝土路用性能研究.pdf

1、學位論文聚丙烯纖維改性混凝土路用性能研究申請學位級別亟專業(yè)名稱董整生叢董：圣猩論文提交日期2Q籃。丘。5論文答辯日期2Q籃丘1Z學位授予單位壘基點瑩答辯委員會主席張登良教授——評閱人張登良教授羅滿良教授級高工二oo五年六月AbstractThefiberreinforcedconcreteisakindofnewcomplexmaterialThematerialhasexcellentcapabilitytestrainbend，cr

2、ackandbearfatigueBasedontheanalysisofthefiberreinforcedconcretetheoryandapplicationathomeandabroad，systematicalresearchiscarriedoutaboutthetechniquesoffiberreinforcedConcreteusedintheConstructionofroad—surfaceandthejobmi

3、xfomulaConsideringclimate、materialsupplyandpresentdamageconditioninconcreteroadinHuizhoucityThepaperpresentstheevaluatingmethodandthemechanismofphysicalandmechanicalperformanceofconcretedenaturedbypolypropylenefiberSyste

4、maticalexperimentsonpolypropylenefibernamedFortaFerromadeinAmericaarecarriedouttocomparewithothergoodpolypropylenefibersThroughorthogonalexperimentthegoodratiooffiberconcretesuitedfortheconcretepavementinHuizhoucityconsi

5、deringthestandardandexperienceThepapercomparesandanalysesdifferentstrength(suchascompressivestrengthtensilestrength，punchingstrengthetc)ofsomefiberconcreteSincedurabilityandperformancearethemostimportantpropertyaffecting

6、thelifeoffiberreinforcedconcretepavementalotofexperimentsandallroundanalysiswercdonetodurabilityInordertofindthethemechanismofconcretedenaturedbypolypropylenefmerSEMtestiscarriedouttoanalyzemicrocosmicstructureMercurypor

7、osimetrytsetiscarriedouttoexplorethegradationofholeThetestpavementofFortaFerrofibevreinforcedconcreteisconstructedtoverifytheresultsofexperimentTheresultsfromexperimentsandtestpavementindicatethatpolypropylenefiberreinfo

8、rcedconcretehasexcellentimprovementsonperformance、durabilityandlifeextendedofconcretepavementsTheresultsofthearticlewillenhancethefiberreinforcedconcreteapplicationinthepavementengineeringKeywords：polypropylenefiber，F(xiàn)ort