207.5R-11 Report on Roller-Compacted Mass Concrete

207.5R-11 Report on Roller-Compacted Mass Concrete

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Description

Roller-compacted concrete (RCC) is a concrete of no-slump consistency in its unhardened state that is typically transported, placed, and compacted using earth and rockfill construction equipment. This report includes the use of RCC in structures where measures should be taken to cope with the

generation of heat from hydration of the cementitious materials and attendant volume change to minimize cracking. Material mixture proportioning, properties, design considerations, construction, and quality control are covered.

The materials, processes, quality control measures, and inspections described in this document should be tested, monitored, or performed as applicable only by individuals holding the appropriate ACI certifications or equivalent.

Keywords: admixtures; aggregates; air entrainment; compacting; compressive strength; conveying; creep properties; curing; lift joints; mixture proportioning; monolith joints; placing; shear properties; vibration; workability

 

Document Details

Author: ACI Committee 207

Publication Year: 2011

Pages: 71.00

ISBN: 9780870312779

Categories: Mass Concrete

Formats: PDF or Protected PDF/Web View

Table of Contents

Chapter 1—Introduction

1.1—General

1.2—What is roller-compacted concrete?

1.3—History

1.4—Advantages and disadvantages

1.5—Performance of RCC dams

Chapter 2—Notation and definitions

2.1—Notation

2.2—Definitions

Chapter 3—Materials and mixture proportioning for roller-compacted concrete

3.1—General

3.2—Materials

3.3—Mixture proportioning considerations

3.4—Mixture proportioning methods

3.5—Laboratory trial mixtures

3.6—Field adjustments

Chapter 4—Properties of hardened rollercompacted concrete

4.1—General

4.2—Strength

4.3—Elastic properties

4.4—Dynamic properties

4.5—Creep

4.6—Volume change

4.7—Thermal properties

4.8—Tensile strain capacity

4.9—Permeability

4.10—Durability

4.11—Density

Chapter 5—Design of roller-compacted concrete dams

5.1—General

5.2—Foundation

5.3—Dam section considerations

5.4—Stress and stability analyses

5.5—Temperature studies and control

5.6—Contraction joints and cracks

5.7—Galleries and drainage

5.8—Facing design and seepage control

5.9—Spillways, aprons, and stilling basins

5.10—Outlet works

Chapter 6—Construction of roller-compacted concrete dams

6.1—General

6.2—Aggregate production and batching and mixing plant location

6.3—Batching and mixing

6.4—Transporting and placing

6.5—Compaction

6.6—Lift joints

6.7—Contraction joints

6.8—Forms and facings

6.9—Curing and protection from weather

6.10—Galleries and drainage

Chapter 7—Quality control of roller-compacted concrete

7.1—General

7.2—Activities before RCC placement

7.3—Activities during RCC placement

7.4—Activities after RCC placement

Chapter 8—References

8.1—Referenced standards and reports

8.2—Cited references

ERRATA INFO

Any applicable errata are included with individual documents at the time of purchase. Errata are not included for collections or sets of documents such as the ACI Collection. For a listing of and access to all product errata, visit the Errata page.

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