期刊文献+

东川河砂性能分析及碱活性研究

下载PDF
导出
摘要 云南省昆明市东川及周边地区的小江流域,山体表层岩石风化后被雨水冲刷形成泥石流,淤积在河道里所产生的河砂(公称粒径小于5mm)简称东川河砂。为了推动东川河砂的工程应用,本文系统地研究了东川河砂的物理化学性能,采用砂浆棒快速法检验东川河砂的碱活性。结果表明:该河砂的14d膨胀率高于机制砂和标准砂,且14d膨胀率小于0.1%,可判定为无潜在危害,满足工程对砂石的碱活性要求。
出处 《混凝土世界》 2017年第2期103-106,共4页 China Concrete
  • 相关文献

参考文献1

二级参考文献26

  • 1Ichikawa T.Alkali-silica reaction,pessimum effects and pozzolanic effect[J].Cement and Concrete Research,2009,39(8):716-726.
  • 2Ichikawa T,Miura M.Modified model of alkali-silica reaction[J].Cement and Concrete Research,2007,37:1291-1297.
  • 3Bleszynski R F,Thomas M D A.Microstructural studies of alkali-silica reaction in fly ash concrete immersed in alkaline solutions[J].AdvancedCement Based Materials,1998,7(2) ; 66-78.
  • 4Thaulow N,Jakobsen U H,Clark B.Composition of alkali silica gel and ettringite in concrete railroad ties:SEM-EDX and X-ray diffractionanalyses[J].Cement and Concrete Research,1996,26(2):309-318.
  • 5Thomas M.The effect of supplementary cementing materials on alkali-silica reaction:A review[J].Cement and Concrete Research,2011,41(12):1224-1231.
  • 6Smolczyk H G.Slag cements and alkali reactive aggregates [C].In 6th International Congress on the Chemistry of Cement,Moscow,1974,Supplementary paper,Section III.
  • 7Smolczyk H G.Structure and identification of slag[C].In 7th International Congress on the Chemistry of Cement,Paris,1980,VI,111-1/3-1/17.
  • 8Thomas M,Innis F.Effect of slag on expansion due to alkali aggregate reaction in concrete[J].ACI Materials Journal,1998,95(6).
  • 9Connel M D,Higgins D D.Effectiveness of grounded blastfurnace slag in preventing alkali-silica reaction[C].In the 10th ICAAR,Australia,1996,530-537.
  • 10Krivenko P V.Alkaline cements[C].IX Intern Congress on the Chemistry Cement,New Delhi,1992,4:482-488.

共引文献9

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部