207.4R-05: Cooling and Insulating Systems for Mass Concrete (Reapproved 2012)

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The need to control volume change induced primarily by temperature change in mass concrete often requires cooling and insulating systems. This report reviews precooling, postcooling, and insulating systems. A simplified method for computing the temperature of freshly mixed concrete cooled by various systems is also presented.

Keywords: cement content; coarse aggregate; creep; formwork; heat of

hydration; mass concrete; modulus of elasticity; precooling; postcooling;

pozzolan; restraint; specific heat; strain; stress; temperature rise; tensile

strength; thermal conductivity; thermal diffusivity; thermal expansion; thermal

gradient; thermal shock.


Document Details

Author: ACI Committee 207

Publication Year: 2005

Pages: 15

ISBN: 9780870311918

Categories: Mass Concrete

Formats: PDF

This document is Historical

Table of Contents

Chapter 1—Introduction

1.1—Scope and objective

1.2—Historical background

1.3—Types of structures and temperature controls

1.4—Construction practices for temperature control


Chapter 2—Precooling systems


2.2—Heat exchange

2.3—Batch water

2.4—Aggregate cooling

2.5—Cementitious materials

2.6—Heat gains during concreting operations

2.7—Refrigeration plant capacity

2.8—Placement area

Chapter 3—Postcooling systems


3.2—Embedded pipe

3.3—Refrigeration and pumping facilities

3.4—Operational flow control

3.5—Surface cooling

Chapter 4—Surface insulation



4.3—Horizontal surfaces

4.4—Formed surfaces

4.5—Edges and corners

4.6—Heat absorption from light energy penetration

4.7—Geographical requirements

Chapter 5—References

5.1—Referenced standards and reports

5.2—Cited references


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