ACI 223R 10:2010 Edition

$31.15

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

Published By	Publication Date	Number of Pages
ACI	2010	20

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

PDF Catalog

PDF Pages	PDF Title
3	CONTENTS
4	CHAPTER 1— INTRODUCTION AND SCOPE 1.1— Introduction 1.2—Scope CHAPTER 2— NOTATION AND DEFINITIONS 2.1— Notation 2.2—Definitions
5	CHAPTER 3— GENERAL CONSIDERATIONS 3.1—Preconstruction meeting CHAPTER 4— MATERIALS 4.1— Expansive cement and expansive component systems 4.2—Aggregates 4.3—Water 4.4—Admixtures
6	4.5—Concrete 4.5.1 Strength 4.5.2 General physical properties 4.5.3 Volume change 4.5.4 Freezing-and-thawing resistance 4.5.5 Sulfate resistance 4.5.6 Testing 4.5.7 Abrasion resistance
7	CHAPTER 5— STRUCTURAL DESIGN CONSIDERATIONS 5.1— General 5.1.1 Design example
8	5.2—Restraint 5.2.1 Types of restraint 5.2.2 Reinforcement details 5.2.3 Estimation of maximum expansions
9	5.3—Reinforced structural slabs 5.3.1 Structural design 5.3.2 Deflection 5.3.3 Cracking moment 5.4—Reinforced slabs-on-ground 5.4.1 Warping 5.4.2 Isolation joints 5.4.3 Joints
10	5.4.4 Expansion joints 5.4.5 Details 5.4.6 Placing sequence
11	5.5—Post-tensioned structural concrete 5.5.1 Design requirements 5.5.2 Length changes 5.6—Post-tensioned slabs-on-ground
12	5.7—Walls 5.7.1 Placing sequences
13	5.7.2 Details
15	5.8—Toppings 5.9—Formwork CHAPTER 6— CONCRETE MIXTURE PROPORTIONING 6.1— General 6.2—Concrete proportions 6.2.1 Aggregates 6.2.2 Cement content
16	6.2.3 Component content 6.2.4 Water requirement 6.3—Admixtures 6.3.1 Air-entraining admixtures 6.3.2 Water-reducing, accelerating, and retarding admixtures 6.3.3 Accelerators 6.4—Consistency 6.5—Mixture proportioning procedures 6.5.1 6.5.2 CHAPTER 7— PLACING, FINISHING, AND CURING 7.1— Placing 7.1.1 7.1.2 7.1.3
17	7.1.4 7.2—Finishing 7.3—Curing CHAPTER 8— REFERENCES 8.1— Referenced standards and reports
18	8.2—Cited references