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圆筒仪法测定新拌自密实混凝土(SCC)流变性能

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摘要 在常规流动性测试方法基础上,提出一种用圆柱仪竖向连续加载法测定流变性能(剪应力与剪切速率关系)的新方法,设计了试验装置和实验步骤。利用MATLAB7.1中曲线拟合工具箱CFTOOL对数据进行拟合。由C30、C40、C60SCC试验研究所得,新拌自密实混凝土瞬时剪应力与剪切应变速率成线性关系。随着自密实混凝土强度的增加,屈服应力略有下降,塑性粘度系数却有所增加。拟合误差和实验误差都在10%以内。屈服应力在70~120之间,塑性粘度系数在100~180之内。
机构地区 南华大学
出处 《广东建材》 2010年第11期70-74,共5页 Guangdong Building Materials
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参考文献10

  • 1谷川恭雄,森博嗣,黑川善幸.新拌混凝土流动与变形的模拟方法研究(英文)[J].济南大学学报(自然科学版),1998,14(S1):43-53. 被引量:7
  • 2Ferraris C.F, De Larrard. Concrete Mixture Proportioning [J].A Scientific Approach, 1993:13-17.
  • 3胡小芳,苏志学.改进式坍落度筒法测定新拌混凝土流变性能[J].混凝土,2006(8):64-69. 被引量:18
  • 4D. Fey, R. Verhoeven, G. De Schutter Fresh self compacting a shear thickening material, Cement and Concreter Rsearch38 (2008) 920-929.
  • 5D. Feys, R. Verhoeven, G.D. Schutter, The rheology of self-compacting concrete made with Belgian materials,Proc. of the 2nd Int. RILEM Symp. on Advances in Concrete through Science and Engineering, Que bec City, September, 2006.
  • 6D. Feys, R. Verhoeven, G. De Schutter, Evaluation of time-independent rheological models applicable to fresh self compacting concrete, Appl. Rbeol. 2007, 17 (5): 5624.
  • 7D. Feys, G. Heirman, G. D. Schutter, R. Verhoeven, L. Vandewalle, D. V. Gemert, Comparison of two concrete rheology for shear thickening behavior of SCC, Proc. of the 5th Int. RILEM Symposium on Self-compacting Concrete, Ghent, September, 2007;365-370.
  • 8杜新光,金先龙,陈向东.基于流固耦合的新拌混凝土流动及变形仿真方法[J].上海交通大学学报,2008,42(12):1993-1996. 被引量:5
  • 9V.K. Bui, D. Montgomery, I. Hinczak, et al, Rapid testing method for segregation resistance of self-compacting concrete. Cement and Concrete Research2002;32:1489-1496.
  • 10Altun F, Haktanir T, Ari K. Effects of steel fiber addition on mechanical properties of concrete and RC beams. Constr Build Mater 2007,21:654-661.

二级参考文献21

  • 1王彩芹.从流变学理论分析混凝土和易性的测定方法[J].南水北调与水利科技,2005,3(B07):57-58. 被引量:11
  • 2徐亦冬,何山青.流变学在水泥基复合材料中的应用[J].山西建筑,2005,31(24):152-153. 被引量:2
  • 3张雄,陆明万,王建军.任意拉格朗日-欧拉描述法研究进展[J].计算力学学报,1997,14(1):91-102. 被引量:104
  • 4Thrane L N, Szabo P, Geiker M, et al. Simulation of the test method "L-Box" for self-compacting concrete [C]//Annual Trans of the Nordic Rheology Society. Reykjavik, Iceland: The Nordic Rheology Conference, 2004: 47-54.
  • 5Roussel N. Correlation between yield stress and slump: Comparison between numerical simulations and concrete rheometers results [J]. RILEM Materials and Structures, 2006, 37(4): 469-477.
  • 6Nguyen T L H, Roussel N, Coussot P. Correlation between L-box test and rheological parameters of a homogeneous yield stress fluid [J].Cement and Concrete Research, 2006, 36 : 1789-1796.
  • 7Roussel N. A thixotropy model for fresh fluid concretes: Theory, validation and applications [J].Cement and Concrete Research, 2006, 36 : 1797-1806.
  • 8Puri U C, Uomoto T. Characterization of the DE parameters for fresh concrete and its application consistency and shotcrete simulation[J].Journal Materials in Civil Engineering, 2002, 14: 137-144.
  • 9Dufour F, Pijaudier C G. Numerical modeling of concrete flow: Homogeneous approach[J].Int J Numer Anal Meth Geomech, 2005, 29:395-416.
  • 10Banfill P F G. The rheology of fresh cement and concrete: A review [C]//11th International Cement Chemistry Congress. Durban, South Africa:G Grieve, G Owens, 2003: 50-62.

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