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粗骨料对高性能混凝土早期自收缩的影响(英文)

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Abstract:

采用带数据采集系统的涡流位移传感器测量了砂率、针片状骨料含量和最大粒径不同的高性能混凝土的早期自收缩,同时采用热电偶测量了混凝土内部的温度变化。结果表明骨料性能与含量的变化对高性能混凝土的早期自收缩有较大影响。高性能混凝土的早期自收缩随测试时间、砂率和针片状骨料含量的增加而增大,随骨料最大粒径的增大而减小。

References

[1]  CUSSON D, HOOGEVEEN T, MITCHELL L. Restrained shrinkage testing of high performance concrete modified with structural light- weight aggregate [J]. ACI Special Publications, 2005, 228(2): 1353– 1372. [2] LEE K M, LEE H K, LEE S H, et al. Autogenous shrinkage of concrete containing granulated blast-furnace slag [J]. Cem Concr Res, 2006, 36(7): 1279–1285. [3] HOLT E, LEIVO M. Cracking risks associated with early age shrink- age [J]. Cem Concr Comp, 2004, 26(5): 521–530. [4] HOLT E. Early age autogenous shrinkage of concrete [D]. Washington: University of Washington, 2001. [5] TAZAWA E, MIYAZAWA S, SRTO T, et al. Autogenous shrinkage of concrete [J]. Jpn Concr Inst, 1993, 14(1): 139–146. [6] TAZAWA E, MIYAZAWA S. Influence of constituents and composi- tion on autogenous shrinkage of cementitious materials [J]. Mag Concr Res, 1997, 49(178): 15–22. [7] ZHANG M H, TAM C T, LEOW M P. Effect of water-to-cementitious materials ratio and silica fume on the autogenous shrinkage of concrete [J]. Cem Concr Res, 2003, 33(10): 1687–1694. [8] TAZAWA E, MIYAZAWA S. Influences of cement and admixtures on autogenous shrinkage of cement paste [J]. Cem Concr Res, 1995, 25(2): 281–287. [9] HANSEN T C, NIELSEN K E C. Influence of aggregate properties on concrete shrinkage [J]. ACI J, 1965, 62(7): 783–794. [10] HOBBS D W. Influence of aggregate restraint on the shrinkage of concrete [J]. ACI J, 1974, 71(9): 445–450. [11] RAO G A. Long-term drying shrinkage of mortar–influence of silica fume and size of fine aggregate [J]. Cem Concr Res, 2001, 31(2): 171–175. [12] KOHNO K, OKAMOTO T, ISIKAWA Y, et al. Effects of artificiallightweight aggregate on autogenous shrinkage of concrete [J]. Cem Concr Res, 1999, 29(4): 611–614. [13] BENTUR A, IGARASHI S, KOVLER K. Prevention of autogenous shrinkage in high-strength concrete by internal curing using wet light- weight aggregates [J]. Cem Concr Res, 2001, 31(11): 1587–1591. [14] ATCIN P C. Demystifying autogenous shrinkage [J]. Concr Int, 1999, 21(11): 54–56. [15] LEE K M, LEE H K, LEE S H, et al. Autogenous shrinkage of concrete containing granulated blast-furnace slag [J]. Cem Concr Res, 2006, 36(7): 1279–1285. [16] DOWELL M, SYLVESTER G, KRUPP R, et al. Progress in turbo- machinery prognostics and health management via eddy-current sens- ing [A]//Proceedings of Aerospace conference [C]. Big Sky, Montana: IEEE, 2000: 133–143. [17] TIAN G Y, ZHAO Z X, BAINES R W. The research of inhomogeneity in eddy current sensors [J]. Sensor Actuat A–Phys, 1998, 69(2): 148– 151. [18] LAI Y Q. Eddy current displacement sensor with LTCC technology [D]. Freiburg, German: University of Freiburg, 2005. [19] ATCIN P C. Autogenous shrinkage measurement [A]// Tazawa E ed. Proceedings of International Workshop on Autogenous Shrinkage of Concrete [C]. Hiroshima: Japan Concrete Institute, 1998: 257–267. [20] PICKETT G. Effect of aggregate on shrinkage of concrete and a hy- pothesis concerning shrinkage [J]. ACI J, 1956, 52(5): 581–590. [21] IGARASHI S, BENTUR A, KOVLER K. Stresses and creep relaxation induced in restrained autogenous shrinkage of high-strength pastes and concrete [J]. Adv Cem Res, 1999, 11(4): 169–177.

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