ACI PRC-207.1-21: Mass Concrete—Guide

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Description

This guide 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 for massive structures such as dams and provides information applicable to mass structural heavily reinforced concrete and for thermally controlled concrete such as bridge elements and building foundations. This guide does not cover roller-compacted concrete.

Keywords:

cement; cracking; fly ash; heat of hydration; mass concrete; mixture proportioning; supplementary cementitious materials; temperature rise; thermal control plan; thermal expansion; volume change.

 

Document Details

Author: ACI Committee 207

Publication Year: 2022

Pages: 34

ISBN: 9781641951715

Formats: Printed Document, Protected PDF/Web View, or PDF

Table of Contents

CHAPTER 1—INTRODUCTION AND HISTORICAL DEVELOPMENTS, p. 2

1.1—Scope, p. 2

1.2—History, p. 2

CHAPTER 2—DEFINITIONS, p. 6

CHAPTER 3—MATERIALS AND MIXTURE PROPORTIONING, p. 7

3.1—General, p. 7

3.2—Cements, p. 8

3.3—Supplementary cementitious materials, p. 8

3.4—Chemical admixtures, p. 9

3.5—Aggregates, p. 10

3.6—Water, p. 11

3.7—Selection of proportions, p. 11

CHAPTER 4—PROPERTIES, p. 15

4.1—General, p. 15

4.2—Strength, p. 18

4.3—Temperature, p. 19

4.4—Elastic properties, p. 21

4.5—Creep, p. 21

4.6—Volume change, p. 22

4.7—Permeability, p. 22

4.8—Thermal properties, p. 23

4.9—Shear properties, p. 23

4.10—Durability, p. 23

CHAPTER 5—CONSTRUCTION, p. 24

5.1—Batching, p. 24

5.2—Mixing, p. 25

5.3—Placing, p. 25

5.4—Curing, p. 27

5.5—Forms, p. 28

5.6—Placement height and time between adjoining placements, p. 29

5.7—Cooling and temperature control, p. 29

5.8—Instrumentation, p. 30

5.9—Grouting contraction joints in dams, p. 31

CHAPTER 6—REFERENCES, p. 31

Authored documents, p. 32

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