活性粉末混凝土基本力學性能的試驗與研究.pdf

1、湖南大學碩士學位論文活性粉末混凝土基本力學性能的試驗與研究姓名：單波申請學位級別：碩士專業(yè)：建筑材料指導教師：黃政宇2002.6.19AbstractInthiSpapertheei、feetofsteelfiherconlenton陌)CeompressivestrengthMsheoninvestigeledTheresultSshowedthatsteelfiberc3nincreasethecompressiveStl，engt

2、hofRPC，butonlywhenthesteelfibercontentishigherthema‘、riticalvalueandthew／gofRPciSlowerthanacriLicalvattiethatthesteelfibercouldincroasethecompressivestrengthel。RPCsignificantlY。Thestress—strainCarVeot。axialcompressionofR

3、I)c200hasbeengainedbyusingtherigid—jointedmachinetoincreaserigid／tyof’testingnnchineThetestresultsindicatedthatP2C200haveveryhighcompressivestrengthandexcellentdeformationperformanceTheexcellentmechaniCSperforrmnceofRtV2

4、00jSpiofitedfromsteelfiherAkindoftestspeciteenwithS&r／“heightanddifferentwidthhasbeendesignedforthepureshearingtestItindiratedthatthefailuremechanicsofthedirectshearingtestandthepureshearingtestofRPC200aredifferentThetou

5、ghnessofRE200canbegotfromthe1cad—dellectioncurvebybendingtestComparingtoughnessindexnumber，RE200displayedexceIientbendingductjlityThesizeeffecthasbeenresearchedinthiSartiCleandthetestFeSUltsshowedthatthehomogeneityofRPC2

6、00iSbetterthanordinaryconcreteTheresultsofthosebasiCmechaniCSperformanceindiratedthatRPC200iSakindofultrahighperformanceconcretewiththesuperiorperformanceKeywords：PdlC200，axialcompression，directshearing，pureshearing，bend