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Topics In Concrete
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Q. How is concrete protected from exposed cycles of freezing and thawing? A. Selecting aggregate that is resistant to cycles of freezing and thawing, entraining air so that a proper air-void system is obtained, and achieving a certain maturity (about 24 MPa (3500 psi) compressive strength) enable concrete to resist damage from cycles of freezing and thawing, even when it is critically saturated. References: SP-1(02); ACI 306R-16; E-1(16); ACI 221R-96; E4-12; ACI 212.3R-16 Topics in Concrete: Admixture; Aggregate; Cold Weather; Durability
Q. How is concrete protected from exposed cycles of freezing and thawing?
A. Selecting aggregate that is resistant to cycles of freezing and thawing, entraining air so that a proper air-void system is obtained, and achieving a certain maturity (about 24 MPa (3500 psi) compressive strength) enable concrete to resist damage from cycles of freezing and thawing, even when it is critically saturated.
References: SP-1(02); ACI 306R-16; E-1(16); ACI 221R-96; E4-12; ACI 212.3R-16
Topics in Concrete: Admixture; Aggregate; Cold Weather; Durability