ACI 207.4R:2020

CHAPTER 1—INTRODUCTION AND SCOPE, p. 2

1.1—Scope and objective, p. 2

1.2—Historical background, p. 2

1.3—Types of structures and temperature controls, p. 2

1.4—Construction practices for temperature control, p. 3

1.5—Instrumentation, p. 3

CHAPTER 2—PRECOOLING SYSTEMS, p. 3

2.1—General, p. 3

2.2—Heat exchange, p. 3

2.3—Batch water, p. 5

2.4—Aggregate cooling, p. 6

2.5—Cementitious materials, p. 8

2.6—Heat gains during concreting operations, p. 8

2.7—Refrigeration plant capacity, p. 8

2.8—Placement area, p. 9

CHAPTER 3—POSTCOOLING SYSTEMS, p. 9

3.1—General, p. 9

3.2—Embedded pipe, p. 10

3.3—Refrigeration and pumping facilities, p. 10

3.4—Operational flow control, p. 11

3.5—Surface cooling of dam structures, p. 11

CHAPTER 4—SURFACE INSULATION, p. 11

4.1—General, p. 11

4.2—Materials, p. 12

4.3—Horizontal surfaces, p. 12

4.4—Formed surfaces, p. 13

4.5—Solar radiation, p. 14

4.6—Geographical requirements, p. 14

CHAPTER 5—REFERENCES, p. 15

Authored documents, p. 15

The need to control volume change induced primarily by temperature change in mass concrete often requires thermal control such as cooling and insulating systems.