Technical Questions

ACI Committees, Membership, and Staff have answered common questions on a variety of concrete related topics.



Importance of using pozzolans in hydraulic and environmental structures

Q. Why is the use of an effective pozzolan particularly desirable in hydraulic, water treatment, environmental engineering structures, and in tunnel and canal linings?

 

A. The continuing presence of moisture in service ensures the maximum ultimate lime-pozzolan combination, and this enhances the properties and benefits previously mentioned, especially reducing the permeability.

 

References: SP-1(02); E3-13 ; SP-221; ACI CT-18; ACI 232.1R-12; ACI 232.2R-03; ACI 234R-06; Supplementary Cementing Materials in Concrete; ASTM C618; ASTM C1240

Topics in Concrete: Pozzolan; Cementitious Material; Materials; Concrete Fundamentals

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