304R-00: Guide for Measuring, Mixing, Transporting, and Placing Concrete (Reapproved 2009)

304R-00: Guide for Measuring, Mixing, Transporting, and Placing Concrete (Reapproved 2009)

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Description

This guide presents information on the handling, measuring, and batching of all the materials used in making normalweight, lightweight structural, and heavyweight concrete. It covers both weight and volumetric measuring; mixing in central mixute plants and truck mixers; and concrete placement.

Keywords: batching; continuous mixing; conveying; heavyweight concretes; lightweight concretes; materials handling; mixing; placing; preplaced aggregate concrete; pumped concrete; tremie concrete; volumetric measuring.

Document Details

Author: ACI Committee 304

Publication Year: 2000

Pages: 41

ISBN: 9780870313080

Categories: Placing

Formats: PDF

Table of Contents

Chapter 1--Introduction

1.1--Scope

1.2--Objective

1.3--Other considerations

Chapter 2--Control, handling, and storage of materials

2.1--General considerations

2.2--Aggregates

2.3--Cement

2.4--Ground Slag and Pozzolans

2.5--Admixtures

2.6--Water and Ice

2.7--Fiber Reinforcement

Chapter 3--Measurement and batching

3.1--General requirements

3.2--Bins and weigh batchers

3.3--Plant type

3.4--Cementitious materials

3.5--Water and ice measurement

3.6--Measurement of admixtures

3.7--Measurement of materials for small jobs

3.8--Other considerations

Chapter 4--Mixing and transporting

4.1--General requirements

4.2--Mixing equipment

4.3--Central mixed concrete

4.4--Truck mixed concrete

4.5--Charging and mixing

4.6--Mixture temperature

4.7--Discharging

4.8--Mixer performance

4.9--Maintenance

4.10--General considerations for transporting concrete

4.11--Returned Concrete

Chapter 5--Placing concrete

5.1--General considerations

5.2--Planning

5.3--Reinforcement and embedded items

5.4--Placing

5.5--Consolidation

5.6--Mass Concreting

Chapter 6--Forms, joint preparation, and finishing

6.1--Forms

6.2--Joint preparation

6.3--Finishing unformed surfaces

Chapter 7--Preplaced aggregate structural and mass concrete

7.1--General considerations

7.2--Materials

7.3--Grout mix proportioning

7.4--Temperature control

7.5--Forms

7.6--Grout pipe systems

7.7--Coarse aggregate placement

7.8--Grout mixing and pumping

7.9--Joint construction

7.10--Finishing

7.11--Quality control

Chapter 8--Concrete placed under water

8.1--General considerations

8.2--Materials

8.3--Mixture proportioning

8.4--Concrete production and testing

8.5--Tremie equipment and placement procedure

8.6--Direct pumping

8.7--Concrete characteristics

8.8--Precautions

8.9--Special applications

8.10--Antiwashout admixtures

Chapter 9--Pumping concrete

9.1--General considerations

9.2--Pumping equipment

9.3--Pipelines and accessories

9.4--Proportioning pumpable concrete

9.5--Field practices

9.6--Field control

Chapter 10--Conveying concrete

10.1--General considerations

10.2--Conveyor requirements

10.3--Conveyor design

10.4--Types of concrete conveyors

10.5--Field practice

Chapter 11--Heavyweight and radiation-shielding concrete

11.1--General considerations

11.2--Materials

11.3--Concrete characteristics

11.4--Mixing equipment

11.5--Formwork

11.6--Placement

11.7--Quality control

Chapter 12--Lightweight concrete

12.1--General considerations

12.2--Measuring and batching

12.3--Mixing

12.4--Job controls

Chapter 13--Volumetric-measuring and continuous-mixing concrete equipment

13.1--General Considerations

13.2--Operations

13.3--Fresh Concrete properties

Chapter 14--References

14.1--Reference standards and reports

14.2--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 Manual of Concrete Practice (MCP). For a listing of and access to all product errata, visit the Errata page.

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Exchanges: Contact ACI’s Customer Services Department for options (+1.248.848.3800 – ACICustomerService@concrete.org).