Damage and Degradation of Concrete under Coupling Action of Freeze-Thaw Cycle and Sulfate Attack
作者: Wei TianFangfang GaoZbyšek Pavlík
作者单位: 1School of Civil Engineering, Chang’an University, Xi’an 710061, China
刊名: Advances in Materials Science and Engineering, 2020, Vol.2020
来源数据库: Hindawi Journal
DOI: 10.1155/2020/8032849
原始语种摘要: In this study, the mechanical behaviors, failure characteristics, and microstructure of concrete containing fly ash (FA) against combined freeze-thaw cycles and sulfate attack were studied compared with normal concrete, and the formation rates of corrosion products during coupling cycles were investigated. Results showed that, during the coupling action of freeze-thaw cycles and sodium sulfate solution, concrete containing 10% fly ash exposed in 5% sodium sulfate solution exhibited better freeze-thaw resistance. Meanwhile, the variation of compressive strength of concrete during the coupling cycles could be divided into two stages, including the strength enhancement stage and the strength reduction stage. Moreover, the proportion of micropores and capillary pores decreased obviously...
全文获取路径: Hindawi 

  • sulfate 硫酸盐
  • solution 溶液
  • studied 学习
  • obviously 明显地
  • during 在的期间
  • concrete 具体
  • reduction 减少
  • enhancement 增强
  • sodium 
  • coupling 连接