ACI 223 2021

$31.96

ACI PRC-223-21: Shrinkage-Compensating Concrete – Guide

Published By	Publication Date	Number of Pages
ACI	2021

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Category: ACI

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Description

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

PDF Catalog

PDF Pages	PDF Title
3	TITLE PAGE
4	CHAPTER 1—INTRODUCTION AND SCOPE 1.1—Introduction 1.2—Scope CHAPTER 2—DEFINITIONS 2.1—Definitions CHAPTER 3—GENERAL CONSIDERATIONS
5	3.1—Preconstruction meeting CHAPTER 4—MATERIALS 4.1—Expansive cement and expansive component systems 4.2—Aggregates
6	4.3—Water 4.4—Admixtures 4.5—Concrete
7	CHAPTER 5—STRUCTURAL DESIGN DETAILS AND APPLICATIONS 5.1—Behavior of shrinkage-compensating concrete
11	5.2—Member types 5.3—Post-tensioned slabs and beams
13	5.4—Slabs-on-ground
18	5.5—Overlays and toppings slabs
20	5.6—Bridge decks
23	5.7—Airport pavements
25	5.8—Tanks
28	CHAPTER 6—CONCRETE MIXTURE PROPORTIONING 6.1—General 6.2—Concrete proportions 6.3—Admixtures 6.4—Consistency 6.5—Mixture proportioning procedures
29	6.6—Batching CHAPTER 7—PLACING, FINISHING, AND CURING 7.1—Placing
30	7.2—Finishing 7.3—Curing CHAPTER 8—SUSTAINABLE ATTRIBUTES OF SHRINKAGE-COMPENSATING CONCRETE
31	CHAPTER 9—REFERENCES