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ACI 506.1R 08:2008 Edition

ACI 506.1R 08:2008 Edition

$25.73

506.1R-08: Guide to Fiber-Reinforced Shotcrete

Published By Publication Date Number of Pages
ACI 2008 18
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This guide describes the technology and applications of fiber-reinforced shotcrete (FRS) using synthetic and steel fibers. Mechanical properties, particularly toughness, impact, and flexural strength, are improved by fiber addition, and these improvements are described along with other typical properties and benefits, such as control of shrinkage cracking. Proportions of typical mixtures, batching, mixing, and application procedures are described, including methods of reducing rebound and equipment used to apply FRS. Applications of FRS are described, including rock-slope stabilization work, construction and repair of tunnel and mining linings, fire explosive spalling-resistant linings, channel linings, pools and rockscapes, and structure repair. Available design information is briefly discussed, and design references are listed. Keywords: fiber-reinforced shotcrete; fibers; linings; mining; repair; steel fibers; synthetic fibers; tunnels.

PDF Catalog

PDF Pages PDF Title
3 CONTENTS
CONTENTS
4 CHAPTER 1— INTRODUCTION AND SCOPE
CHAPTER 1— INTRODUCTION AND SCOPE
1.1— Introduction
1.1— Introduction
1.2—Scope
1.2—Scope
1.3—Historical background
1.3—Historical background
CHAPTER 2— NOTATION AND DEFINITIONS
CHAPTER 2— NOTATION AND DEFINITIONS
2.1— Notation
2.1— Notation
2.2—Definitions
2.2—Definitions
CHAPTER 3— MATERIALS
CHAPTER 3— MATERIALS
3.1— General
3.1— General
5 3.2—Fibers
3.2—Fibers
3.2.1 Macrofibers
3.2.1 Macrofibers
3.2.2 Microfibers
3.2.2 Microfibers
3.3—Other materials
3.3—Other materials
CHAPTER 4— MIXTURE PROPORTIONS
CHAPTER 4— MIXTURE PROPORTIONS
4.1— General
4.1— General
4.2—Wet process
4.2—Wet process
4.3—Dry process
4.3—Dry process
6 CHAPTER 5— PRODUCTION
CHAPTER 5— PRODUCTION
5.1— General
5.1— General
5.2—Batching and mixing
5.2—Batching and mixing
5.2.1 Wet process
5.2.1 Wet process
5.2.2 Dry process
5.2.2 Dry process
5.3—Application
5.3—Application
5.3.1 Equipment for FRS
5.3.1 Equipment for FRS
5.3.2 Application
5.3.2 Application
CHAPTER 6— TEST PROCEDURES
CHAPTER 6— TEST PROCEDURES
6.1—General
6.1—General
6.2—Fresh properties
6.2—Fresh properties
6.2.1 Consistency and pumpability
6.2.1 Consistency and pumpability
6.2.2 Unit density and air content
6.2.2 Unit density and air content
6.3—Hardened properties
6.3—Hardened properties
6.3.1 Strength
6.3.1 Strength
6.3.1.1 Compressive strength
6.3.1.1 Compressive strength
6.3.1.2 Flexural strength
6.3.1.2 Flexural strength
6.3.1.3 Shear strength
6.3.1.3 Shear strength
7 6.3.1.4 Bond strength
6.3.1.4 Bond strength
6.3.2 Toughness
6.3.2 Toughness
6.3.2.1 Energy absorption
6.3.2.1 Energy absorption
6.3.2.2 Postcrack strength
6.3.2.2 Postcrack strength
6.3.3 Other methods
6.3.3 Other methods
6.3.3.1 Density, boiled absorption, and permeable voids
6.3.3.1 Density, boiled absorption, and permeable voids
8 6.3.3.2 Explosive spalling
6.3.3.2 Explosive spalling
CHAPTER 7— PERFORMANCE OF FIBER- REINFORCED SHOTCRETE
CHAPTER 7— PERFORMANCE OF FIBER- REINFORCED SHOTCRETE
7.1— Flexural strength
7.1— Flexural strength
7.2—Compressive strength
7.2—Compressive strength
7.3—Shear strength
7.3—Shear strength
7.4—Bond strength
7.4—Bond strength
7.5—Rebound considerations
7.5—Rebound considerations
7.5.1 General
7.5.1 General
9 7.5.2 Factors affecting rebound of fibers
7.5.2 Factors affecting rebound of fibers
7.5.3 Conditions that reduce rebound
7.5.3 Conditions that reduce rebound
7.6—Shrinkage crack control
7.6—Shrinkage crack control
10 7.7—Impact resistance
7.7—Impact resistance
7.8—Thermal explosive spalling
7.8—Thermal explosive spalling
CHAPTER 8— DESIGN CONSIDERATIONS
CHAPTER 8— DESIGN CONSIDERATIONS
8.1— General
8.1— General
8.2—Empirical design
8.2—Empirical design
11 8.3—Comparable moment capacity
8.3—Comparable moment capacity
CHAPTER 9— SPECIFICATION AND QUALITY CONTROL CONSIDERATIONS
CHAPTER 9— SPECIFICATION AND QUALITY CONTROL CONSIDERATIONS
9.1— General
9.1— General
9.2—Performance specifications
9.2—Performance specifications
9.3—Prescriptive specifications
9.3—Prescriptive specifications
CHAPTER 10— APPLICATIONS
CHAPTER 10— APPLICATIONS
10.1— General
10.1— General
10.2—Ground support
10.2—Ground support
10.2.1 Tunneling
10.2.1 Tunneling
10.2.2 Mining
10.2.2 Mining
12 10.2.3 Slope stabilization
10.2.3 Slope stabilization
10.2.3.1 Rock and earth slopes
10.2.3.1 Rock and earth slopes
10.2.3.2 Soil nailing
10.2.3.2 Soil nailing
10.3—Rehabilitation and repair
10.3—Rehabilitation and repair
10.4—Architectural shotcrete
10.4—Architectural shotcrete
13 10.5—Explosive spalling resistance
10.5—Explosive spalling resistance
CHAPTER 11— REFERENCES
CHAPTER 11— REFERENCES
11.1— Referenced standards and reports
11.1— Referenced standards and reports
14 11.2—Cited references
11.2—Cited references
15 APPENDIX— EXAMPLE OF COMPARABLE MOMENT CAPACITY CALCULATION
APPENDIX— EXAMPLE OF COMPARABLE MOMENT CAPACITY CALCULATION

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