ACI 223 Standard Practice for the Use of Shrinkage-Compensating Concrete

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ACI 223 Document Information:

Title
Standard Practice for the Use of Shrinkage-Compensating Concrete

American Concrete Institute

Publication Date:
Jan 1, 1998

Scope:

This standard practice is directed mainly toward the use of shrinkage-compensating concrete in structures (reinforced and post-tensioned slabs, both on grade and elevated) and pavements. Recommendations are included for proportioning, mixing, placing, finishing, curing, and testing based on data presented in the committee's previous reports, and on the experience of producers, users, consultants, and contractors.

Shrinkage-compensating concrete can be produced using expansive cements or expansive components. The scope of this standard practice is limited to shrinkage-compensating concrete made with expansive cements.

The recommendations of this standard practice are not applicable to self-stressing expansive cement concretes proportioned to produce a prestressed concrete structure for load-bearing purposes. Procedures for proportioning, handling, and curing of self-stressing concretes are often radically different from procedures for shrinkage-compensating concretes used to compensate for normal drying shrinkage.

Keywords:

admixtures

aggregates

calcium aluminate

concrete construction

concrete finishing (fresh concrete)

concretes

curing

drying shrinkage

ettringite

expansive cement concretes

expansive cements

expansive cement K

expansive cement M

expansive cement S

formwork (construction)

grouts

joints (junctions)

mix proportioning

placing

reinforced concrete

restraints

shrinkage-compensating concretes

structural design

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