1. ACI (American Concrete Institute). ACI 211.1-91: Standard practice for selecting proportions for normal, heavyweight and mass concrete. 2002, American Concrete Institute, Farmington Hills, MI, USA.
2. ASTM. C 403: Standard test method for time of setting of concrete mixtures by penetration resistance. 1999, ASTM International, West Conshohoken, PA, USA.
3. ASTM. C 143: Standard test method for slump of hydraulic-cement concrete. 2000, ASTM International, West Conshohoken, PA, USA.
4. ASTM. C 33: Standard specification for concrete aggregate. 2003a, ASTM International, West Conshohoken, PA, USA.
5. ASTM. C 94: Standard specification for ready mixed concrete. 2003b, ASTM International, West Conshohoken, PA, USA.