緩粘結(jié)預(yù)應(yīng)力混凝土結(jié)構(gòu)試驗研究

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2、GQieai(SehoolofCivilandArehiteeturalEngineering,LanzhouRailwayUniversity,Lanzhou730070,China>2resistaneewhiehneedstobeovercomeAbstract:Onthebasisoftheexperimentofprestressedeoneretebeambyplacingmaterialofpostponingeondensationbetweeneonereteandprestressedbar,therangeoffrietiontheprestressedeonere

3、tebeamwiththewhenprestressedbarsaretensionedispresentedThrougheomparingtraditionalpost2tensionedprestressedeoncretebeamintheaspeetssueh2eraekforms,loaddefleetiongraphandsoon,theeonelusionhasbeengainedthattheperformanceofthepre2aseraekmoments,ultimatemoments,2stressedconeretebeamisalmostassameasthetr

4、aditionalposttensionedprestressedeoneretebeamwhiehhas2stickyforeebetweeneonereteandprestressedbarTheeonelusionofthispapereanprovidereferencesforthedesigneroftheprestressedeoneretesystemKeywords:postponingeondensation。prestressedeoneretebeam。experimentstudy。frietiondrag。workperfor2mance?,?,?,?,?,?：20

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