223R-10: Guide for the Use of Shrinkage-Compensating Concrete


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Title: 223R-10: Guide for the Use of Shrinkage-Compensating Concrete

Author(s): ACI Committee 223

Publication: Technical Documents



Appears on pages(s): 16

Keywords: cement, calcium; cement, expansion; concrete, shrinkage-compensating; cracking, shrinkage; mixture proportions; restraints; shrink-age, drying; slab-on-ground; structural design.

Date: 12/1/2010

Shrinkage-compensating concrete is used in construction to minimize drying-shrinkage cracking. Its characteristics are similar to those of portland-cement concrete. The materials, proportions, placement, and curing should ensure that expansion compensates for subsequent drying shrinkage. This guide sets forth criteria and practices to ensure the development of expansive strain in concrete. In addition to a discussion of basic principles, methods and details are given covering structural design, concrete mixture proportioning, placement, finishing, and curing. The materials, processes, quality control measures, and inspections described in this document should be tested, monitored, or performed as applicable only by individuals holding the appropriate ACI Certifications or equivalent.