提高泡沫混凝土抗壓強(qiáng)度的研究.pdf

1、中南大學(xué)碩士學(xué)位論文提高泡沫混凝土抗壓強(qiáng)度的研究姓名：王少武申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：陳振興賈元平20051201碩士學(xué)位論文ABSTRACTABSTRACTInthethesis，theeffectsofcementandvesicant，ratiobetweenwaterandsolidmaterials，earlyintensifierandmicronslagpowderonthecompressionstren

2、gthofcementmortarfoamedconcretehavebeenstudiedTherelationbetweenthecompressionstrengthofthenetcementfoamedconcreteanditsproportion，therelationbetweenthecompressionstrengthofthecement—mortarfoamedconcreteanditsproportion，

3、therelationbetweenthecompressionstrengthofthenetcementfoamedconcreteanditsproportionwhendifferentslagandcoalcinderpowderaremixedTheeffectsoftwokindsofexciter，piasterofparisandsodiumsulfateofthegrowthofintensity，especiall

4、yforepartintensityofthecementmortarfoamedconcretehavealsobeenstudiedTheconclusionsisdeducedthatthecompressionstrengthofthefoamedconcreteindifferentlevelmaydecreaseifsandandadmixturesareaddedintocementHowever，iftwokindsof

5、exciterwith2％areadded，thecompressionstrengthofthefoamedconcretewillincrease30％in14daysFurthermore，theconnectionbetweenthecompressionstrengthandthermalconductivityofthefoamedconcreteanditsproportionhasalsobeenstudiedThrou

6、ghpre—foamingprocess，foamedconcretewithgoodperformancehasbeenpreparedfromPortlandcement，slag，coalcinderpowderandsilicapowder珊1enitsrawmaterialconsumptionisasfollowcement280650kg／m’，coalcinderpowder4297kg／m’，slag64146kg／m

7、3，silicapowder3478kg／m3，sandO920k∥m5，thedensityofthefoamedconcreteisabout4301500kg／m3，itsthermalconductivityisabout016～075W／(m‘oC、anditscompressionstrengthisabout11237MPaIfdrydensityiscontrolledto1500kg／m3，withproperprop

8、ortionandaddingsuitablesuperplasticizerthecompressionstrengthcanreach441MPaIthasexcellentflowabilityandespeciallysuitablefortheapplicationincaseofmassivefoamedconcretesitecastingandincaseoffillingcastingintoundergroundir