207.1R-05: Guide to Mass Concrete (Reapproved 2012)

207.1R-05: Guide to Mass Concrete (Reapproved 2012)

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Description

Mass concrete is any volume of concrete with dimensions large enough to require that measures be taken to cope with the generation of heat from hydration of the cement and attendant volume change to minimize cracking. The design of mass concrete structures is generally based on durability, economy, and thermal action, with strength often being a secondary concern. This document contains a history of the development of mass concrete practice and discussion of materials and concrete mixture proportioning, properties, construction methods, and equipment. It covers traditionally placed and consolidated mass concrete and does not cover roller-compacted concrete.

Keywords: admixture; aggregate; air entrainment; batch; cement; compressive

strength; cracking; creep; curing; durability; fly ash; formwork; grading;

heat of hydration; mass concrete; mixing; mixture proportion; modulus

of elasticity; placing; Poisson’s ratio; pozzolan; shrinkage; strain; stress;

temperature rise; thermal expansion; vibration; volume change.

 

Document Details

Author: ACI Committee 207

Publication Year: 2006

Pages: 30.00

ISBN: 9780870312014

Categories: Mass Concrete

Formats: PDF

Table of Contents

Chapter 1—Introduction and historical developments

1.1—Scope

1.2—History

1.3—Temperature control

1.4—Long-term strength design

Chapter 2—Materials and mixture proportioning

2.1—General

2.2—Cements

2.3—Pozzolans and ground slag

2.4—Chemical admixtures

2.5—Aggregates

2.6—Water

2.7—Selection of proportions

2.8—Temperature control

Chapter 3—Properties

3.1—General

3.2—Strength

3.3—Elastic properties

3.4—Creep

3.5—Volume change

3.6—Permeability

3.7—Thermal properties

3.8—Shear properties

3.9—Durability

Chapter 4—Construction

4.1—Batching

4.2—Mixing

4.3—Placing

4.4—Curing

4.5—Forms

4.6—Height of lifts and time intervals between lifts

4.7—Cooling and temperature control

4.8—Instrumentation

4.9—Grouting contraction joints

Chapter 5—References

5.1—Referenced standards and reports

5.2—Cited references

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