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OALib Journal期刊
ISSN: 2333-9721
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偏高岭土和硅灰对三元胶凝材料的改性
DOI: doi:10.3969/j.issn.1671-7627.2012.02.015, PP. 67-72
Keywords: 水泥浆体,偏高岭土,硅灰,抗压强度,三元胶凝材料体系
Abstract:
为了提高水泥基材料中辅助性胶凝材料用量，对比研究偏高岭土（mk）和硅灰（sf）对高粉煤灰（fa）掺量的三元胶凝材料体系抗压强度和微观结构的影响。结果表明：适量mk和sf均能提高fa掺量的三元胶凝材料不同龄期的强度，两者对强度的提高幅度随掺量和浆体龄期的改变而稍有改变；mk和sf均能显著降低三元胶凝材料浆体中ca(oh)2(ch)的含量、优化浆体孔结构，但两者反应形成的产物有明显不同。mk和sf的物理填充、火山灰效应可优化三元胶凝体系浆体的微观结构、改善不同相界面结合。高品质mk可代替sf用于制备高fa含量三元胶凝材料体系。
| [1] | sabirbb,wilds,baij.metakaolinandcalcinedclaysaspozzolansforconcrete:areview[j].cementandconcretecomposites,2001,23(6):441-454.
|
| [2] | wilds,khatibjm,jonesa.relativestrength,pozzolanicactivityandcementhydrationinsuperplasticisedmetakaolinconcrete[j].cementandconcreteresearch,1996,26(10):1537-1544.
|
| [3] | wilds,khatibjm.portlanditeconsumptioninmetakaolincementpastesandmortars[j].cementandconcreteresearch,1997,27(1):137-146.
|
| [4] | loveca,richardsonig,broughar.compositionandstructureofcshinwhiteportlandcement20%metakaolinpasteshydratedat25℃[j].cementandconcreteresearch,2007,37(2):109-117.
|
| [5] | pooncs,kousc,laml.compressivestrength,chloridediffusivityandporestructureofhighperformancemetakaolinandsilicafumeconcrete[j].constructionandbuildingmaterials,2006,20(10):858-865.
|
| [6] | justicejm,kennisonlh,mohrbj,etal.comparisonoftwometakaolinsandasilicafumeusedassupplementarycementitiousmaterials[c]∥seventhinternationalsymposiumonutilizationofhighstrength/highperformanceconcrete.washington，d.c.:acisymposiumpublication,2005.
|
| [7] | joshirc,lohtiarp.flyashinconcrete:production,propertiesanduse[m].thenetherlands:sponpress,1997.
|
| [8] | chungddl.review:improvingcementbasedmaterialsbyusingsilicafume[j].journalofmaterialsscience,2002,37(4):673-682.
|
| [9] | thomasmda,shehatamh,shashiprakashsg,etal.useofternarycementitioussystemscontainingsilicafumeandflyashinconcrete[j].cementandconcreteresearch,1999,29(8):1207-1214.
|
| [10] | siddiquer,klausj.influenceofmetakaolinonthepropertiesofmortarandconcrete:areview[j].appliedclayscience,2009,43(3/4):392-400.
|
| [11] | cassagnabèref,mouretm,escadeillasg,etal.metakaolin,asolutionforprecastindustrytolimittheclinkercontentinconcrete:mechanicalaspects[j].constructionandbuildingmaterials,2010,24(6):1109-1118.
|
| [12] | shaw,pereiragb.differentialscanningcalorimetrystudyofordinaryportlandcementpastecontainingmetakaolinandtheoreticalapproachofmetakaolinactivity[j].cementandconcretecomposites,2001,23(6):455-461.
|
| [13] | 沈威,黄文熙,闽盘荣.水泥工艺学[m].武汉:武汉工业大学出版社,1991.
|
| [14] | 林宗寿.无机非金属材料工学[m].武汉:武汉理工大学出版社,2006.
|
| [15] | taylorhfw.cementchemistry[m].london:academicpress,1990.
|
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