1. Andersson K, Allard B, Bengtsson M, Magnusson B (1989) Chemical composition of cement pore solutions. Cem Concr Res 19:327–332
2. ASTM Standard C618 (2012) Standard specification for coal fly ash and raw or calcined natural pozzolan for use in concrete. ASTM international annual book of standards, vol 4.02, West Conshocken, PA, 2011
3. ASTM Standard C150 (2012) Standard specification for portland cement. ASTM international annual book of standards, vol 4.01, West Conshocken, PA, 2011
4. Berry EE, Malhotra VM (1980) Fly ash for use in concrete: a critical review. J Am Concr Inst 77:59–73
5. Bumrongjaroen W, Muller I, Livingston RA, Davis J (2011) A performance-based fly ash classification system using glassy particle chemical composition data. World of coal ash conference proceedings, May 9–12. http://www.flyash.info/ . Accessed 3 Nov 2011