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Q. How do the aggregate characteristics affect the permeability and shrinkage of concrete? A. The aggregate characteristics are important to permeability in relation to the reduction in w/cm and paste content, which leads to lower permeability. If the water content is reduced or the elastic modulus is increased due to the aggregate characteristics, this should lead to a reduction in drying shrinkage. References: SP-1(02); SP-108; E-1(16); ACI 221R-96; ACI 214R-11; ACI 209.1R-05; ACI 213R-14; ASTM C1202; ASTM C596 Topics in Concrete: Aggregate; Concrete Fundamentals; High Performance Concrete; Permeability; Shrinkage
Q. How do the aggregate characteristics affect the permeability and shrinkage of concrete?
A. The aggregate characteristics are important to permeability in relation to the reduction in w/cm and paste content,
which leads to lower permeability. If the water content is reduced or the elastic modulus is increased due to the aggregate characteristics, this should lead to a reduction in drying shrinkage.
References: SP-1(02); SP-108; E-1(16); ACI 221R-96; ACI 214R-11; ACI 209.1R-05; ACI 213R-14; ASTM C1202; ASTM C596
Topics in Concrete: Aggregate; Concrete Fundamentals; High Performance Concrete; Permeability; Shrinkage