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Q. When a pozzolan is used, does it result in more shrinkage cracking in concrete structures in service? A. No, provided that proper curing procedures are followed. Similar structures in similar climate and service conditions exhibit no discernible difference in number or width of cracks, whether or not a pozzolan is used in the concrete. References: SP-1(02); E3-13 ; SP-221; ACI CT-23; ACI 232.1R-12; ACI 232.2R-03; ACI 234R-06; ACI PRC-232.4-20; ASTM C618; ASTM C1240 Topics in Concrete: Pozzolan; Cementitious Material; Materials in Concrete; Concrete Fundamentals
Q. When a pozzolan is used, does it result in more shrinkage cracking in concrete structures in service?
A. No, provided that proper curing procedures are followed. Similar structures in similar climate and service conditions exhibit no discernible difference in number or width of cracks, whether or not a pozzolan is used in the concrete.
References: SP-1(02); E3-13 ; SP-221; ACI CT-23; ACI 232.1R-12; ACI 232.2R-03; ACI 234R-06; ACI PRC-232.4-20; ASTM C618; ASTM C1240
Topics in Concrete: Pozzolan; Cementitious Material; Materials in Concrete; Concrete Fundamentals