506R-05: Guide to Shotcrete

506R-05: Guide to Shotcrete

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Description

This guide provides information on materials and properties of both dry-mix and wet-mix shotcrete. Most facets of the shotcrete process are covered, including application procedures, equipment requirements, and responsibilities of the shotcrete crew. Other aspects, such as preconstruction trials, craftsman qualification tests, materials tests, and finished shotcrete acceptance tests, are also discussed.

Keywords: dry-mix shotcrete; mixture proportion; placing; quality control;

shotcrete; wet-mix shotcrete.

 

Document Details

Author: ACI Committee 506

Publication Year: 2017

Pages: 40

ISBN: 9780870311987

Categories: Shotcrete

Formats: Protected PDF/Web View

This document is Historical

Table of Contents

Chapter 1— General

1.1—Introduction

1.2—Scope

1.3—History

1.4—Definitions

1.5—Shotcreting processes

1.6—Properties

1.7—Shotcrete applications

1.8—New developments and potential future uses

Chapter 2—Materials

2.1—Introduction

2.2—Delivery, handling, and storage

2.3—Cement

2.4—Aggregate

2.5—Water

2.6—Bonding compounds

2.7—Admixtures

2.8—Reinforcement

2.9—Curing and form coating compounds

Chapter 3—Equipment

3.1—Introduction

3.2—Dry-mix equipment

3.3—Wet-mix equipment

3.4—Air requirements

3.5—Mixing equipment

3.6—Hoses

3.7—Nozzles

3.8—Auxiliary equipment

3.9—Plant layout and operation

3.10—Other uses of shotcrete equipment

3.11—Safety

Chapter 4—Crew organization

4.1—Introduction

4.2—Composition and duties

4.3—Crew qualifications

4.4—Communications

Chapter 5—Preliminary procedures

5.1—Introduction

5.2—Surface preparation

5.3—Formwork

5.4—Reinforcement

5.5—Anchors

5.6—Alignment control

5.7—Joints

5.8—Protection of adjacent surfaces

Chapter 6—Proportioning and preconstruction testing

6.1—Introduction

6.2—Performance versus prescription specification

6.3—Proportioning of shotcrete mixture

6.4—Preconstruction testing

Chapter 7—Batching and mixing

7.1—Introduction

7.2—Batching

7.3—Mixing

Chapter 8—Shotcrete placement

8.1—Introduction

8.2—Special applications and mixtures

8.3—Preliminary procedures

8.4—Shotcrete equipment procedures

8.5—Application of shotcrete

8.6—Finishing

8.7—Tolerances

8.8—Curing

8.9—Hot-weather shotcreting

8.10—Cold-weather shotcreting

8.11—Hazards

Chapter 9—Quality control

9.1—Introduction

9.2—Design and quality control

9.3—Materials

9.4—Application equipment

9.5—Craftsmanship

9.6—Placement techniques

9.7—Inspection

9.8—Testing procedures

Chapter 10—References

10.1—Referenced standards and reports

10.2—Cited references

Appendix—Payment for shotcrete work

A.1—Introduction

A.2—Payment methods

A.3—Factors affecting payment

A.4—Supplementary items

A.5—Methods of measurement

A.6—Pay items

ERRATA INFO

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