ACI 232.2R : 2018

CHAPTER 1—INTRODUCTION, SCOPE, SOURCES, AND SUSTAINABILITY
1.1—Introduction
1.2—Scope
1.3—Source of fly ash
1.4—Fly ash and sustainability
CHAPTER 2—DEFINITIONS
CHAPTER 3—FLY ASH COMPOSITION
3.1—General
3.2—Chemical composition
3.3—Crystalline constituents
3.4—Glassy constituents
3.5—Physical properties
3.6—Chemical activity of fly ash in hydraulic cement concrete
3.7—Future research needs
CHAPTER 4—EFFECTS OF FLY ASH ON CONCRETE
4.1—Effects on properties of fresh concrete
4.2—Effects on properties of hardened concrete
CHAPTER 5—CONCRETE MIXTURE PROPORTIONING
5.1—General
5.2—Considerations in mixture proportioning
CHAPTER 6—FLY ASH SPECIFICATIONS, TEST METHODS, AND QUALITY ASSURANCE/QUALITY CONTROL
6.1—Introduction
6.2—Chemical requirements
6.3—Physical requirements
6.4—General specification provisions
6.5—Methods of sampling and testing
6.6—Source quality control
6.7—Startup, oil, and stack additives
6.8—Rapid quality control tests
CHAPTER 7—FLY ASH IN CONCRETE CONSTRUCTION
7.1—Ready mixed concrete
7.2—Concrete pavement
7.3—Mass concrete
7.4—Roller-compacted concrete
7.5—Self-consolidating concrete
7.6—High-volume fly ash concrete
7.7—High-performance concrete
7.8—Long-life structures
7.9—Bulk handling and storage
7.10—Batching
CHAPTER 8—FLY ASH IN CONCRETE PRODUCTS
8.1—Concrete masonry units
8.2—Concrete pipe
8.3—Precast/prestressed concrete products
8.4—No-slump extruded hollow core slabs
8.5—Concrete tile
8.6—Miscellaneous concrete products
CHAPTER 9—OTHER USES OF FLY ASH
9.1—Grouts and mortar
9.2—Controlled low-strength material
9.3—Soil cement
9.4—Plastering
9.5—Cellular concrete
9.6—Shotcrete
9.7—Waste management
9.8—Cements
CHAPTER 10—REFERENCES
Authored documents
APPENDIX A—RAPID QUALITY CONTROL TESTS
A.1—Loss on ignition
A.2—Carbon analysis
A.3—Particle size
A.4—Color
A.5—Density (specific gravity)
A.6—Fly ash adsorption
A.7—Organic material
A.8—CaO content
A.9—Presence of hydrocarbons (startup oil)
A.10—Presence of ammonia (precipitator additive)
A.11—Calorimetry

Fly ash is used in concrete and other portland cement-based systems primarily because of its pozzolanic and cementitious properties.