期刊文献+

外加剂对混凝土抗裂性能影响的试验研究 被引量:3

下载PDF
导出
摘要 通过圆环试验,研究了4种常用减水剂和UEA膨胀剂对混凝土收缩开裂的影响。结果发现:聚羧酸系和萘系高效减水剂对净浆开裂龄期均有延缓作用,但影响规律却不尽相同。随着聚羧酸系减水剂掺量的增多,试件开裂龄期逐渐缩短,抗裂性能下降;而随着萘系减水剂掺量的增多,试件开裂龄期逐渐增长,抗裂性能提高。UEA膨胀剂在6%~12%范围的等量内掺,有明显的减缩作用。
出处 《福建建材》 2011年第9期1-3,13,共4页 Fujian Building Materials
  • 相关文献

参考文献7

二级参考文献25

  • 1[1]Swayse, M. A., Early Concrete Volume Changes and Their Control.J. ACI, Proceedings V. 38, 1942, PP. 425 - 440. 被引量:1
  • 2[2]Menashi D. Cohen, Jan Olek, and William L. Dolch, Mechanism of Plastic Shrinkage Cracking in Portland Cement and Portland CementSilica Fume and Mortan, CCR, Vol. 20, 1990. PP. 103- 119. 被引量:1
  • 3[3]Parviz Soroushian and Siavosh Ravanbakhas, Control of Plastic Shrinkage Caracking With Specialty Cellulose fibers, ACI Materials Journal/July-August, 1998, PP. 429 - 435. 被引量:1
  • 4[4]Rvina, D. and Shalon, R., Plastic Shrinkage Cracking J. ACI, Proceeding V. 65, No. 4, April, 1968, PP. 282 - 291. 被引量:1
  • 5[5]F. H. Wittmann, on the Action of Capillary Pressure, CCR, Vol. 6,1976, PP. 49 - 56. 被引量:1
  • 6[6]Paul J. Uno. Plastic Shrinkage Cracking and Evaporation Formulas,ACI Materials Journal/July-August, 1998, PP. 365 - 375. 被引量:1
  • 7[7]Tamim A. Samman, Wajahat H. Mirza, and faisal F. Wafa, Plastic Shrinkage Caracking of Normal and High-Strength Concrete: A Comparative Study, ACI Materials Journal/Januar-February, 1996, PP. 36- 40. 被引量:1
  • 8[8]William Lerch, Plastic Shrinkage, J. aci, 1957, 28, Feb., PP. 797 -802. 被引量:1
  • 9[9]Kral, S., and Gebauer, J., Shrinkage and Cracking of Concrete at Early ages, Proceeding, International Symposium on Slabs, Dundee, 1979;Advances in Concrete Slab Technology, London, Permagon Press,1980, PP. 412 - 420. 被引量:1
  • 10[10]A. A. Almussalam, M. Maslehuddin, M. Abdul-Waris, F. H. Dakhil and O. S. B. Al-Amiudi, Plastic Shrinkage Cracking of Blended Cement Coneretes in Hot Environments, Magazine of Concrete Research,1999, 51. No. 4, Aug., PP. 241 - 246. 被引量:1

共引文献89

同被引文献15

引证文献3

二级引证文献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