Effects of stress and high temperature on the carbonation resistance of fly ash concrete

• Published in: Construction & building materials Vol. 138; pp. 486 - 495
• Main Authors: Wang, Wei, Lu, Caifeng, Li, Yunxia, Yuan, Guanglin, Li, Qingtao
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.05.2017; Elsevier B.V
• Subjects: Analysis; Carbonation; Compressive strength; Compressive stress; Concretes; Fly ash; Fly ash concrete; High temperature; Mechanical properties; Tensile stress; United States; Fly ash concrete; Carbonation; Compressive stress; Tensile stress; High temperature

•Bending tension was adopted in this paper to replace axial tension.•Different stress states and levels were investigated.•Concrete showed good carbonation resistance at 30% ultimate compressive strength.•Concrete showed more defects and decreased anti-carbonization after exposure to 550°C. In order...