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ACI 544.9R 17:2017 Edition

ACI 544.9R 17:2017 Edition

$29.52

544.9R-17: Report on Measuring Mechanical Properties of Hardened Fiber-Reinforced Concrete

Published By Publication Date Number of Pages
ACI 2017 52
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This report provides a synopsis of the existing testing methodologies for the determination of mechanical properties of hardened fiber-reinforced concrete (FRC). This report applies to the mechanical properties of conventionally mixed and placed FRC, including fiber-reinforced self-consolidating concrete (FRSCC), or fiber-reinforced shotcrete (FRS) using steel, glass, polymeric, and natural fibers. The objective is to enable manufacturers to characterize the mechanical properties of hardened FRC and encourage researchers and testing laboratories to adopt common and unified test methods to build a meaningful database of mechanical properties of hardened FRC materials and products. Test results from the test procedures used in this report are not intended for the design of FRC structures, but to gain a better understanding of factors influencing the determination of their mechanical properties and of FRCs and FRC products. Keywords: compressive strength; fiber pullout; fiber-reinforced concrete; flexural fatigue resistance; flexural strength; impact resistance; multiaxial behavior; shear and torsion; tensile strength; toughness.

PDF Catalog

PDF Pages PDF Title
3 TITLE PAGE
4 CHAPTER 1—INTRODUCTION AND SCOPE
1.1—Introduction
1.2—Scope
CHAPTER 2—NOTATION AND DEFINITIONS
2.1—Notation
5 2.2—Definitions
6 CHAPTER 3—SAMPLING AND SPECIMEN PREPARATION
3.1—General
3.2—Test specimens
3.3—Sample size
CHAPTER 4—COMPRESSIVE STRENGTH, MODULUS OF ELASTICITY, AND POISSON’S RATIO
4.1—General
7 4.2—Compressive stress-strain curve
8 CHAPTER 5—TENSILE BEHAVIOR
5.1—General
5.2—Direct tension tests
12 5.3—Indirect tension tests
16 CHAPTER 6—FLEXURAL BEHAVIOR: STRENGTH, TOUGHNESS, AND CLOSED-LOOP TESTS
6.1—General
17 6.2—Flexural strength
6.3—Flexural toughness and residual post-cracking strength
22 CHAPTER 7—INTERFACE, BOND SLIP, AND FIBER PULLOUT
7.1—General
23 7.2—Pullout tests
26 CHAPTER 8—HIGH STRAIN RATE TESTING
8.1—General
27 8.2—High-speed tension tests
28 8.3—Split Hopkinson (pressure) bar test
29 CHAPTER 9—IMPACT PERFORMANCE TESTING
9.1—General
9.2—Noninstrumented impact tests
9.3—Instrumented impact tests
37 CHAPTER 10—FATIGUE RESISTANCE
10.1—General
39 10.2—Uniaxial compression fatigue
40 10.3—Biaxial compression fatigue
10.4—Tensile fatigue
41 10.5—Flexural fatigue
42 CHAPTER 11—SHEAR AND TORSION
43 CHAPTER 12—BIAXIAL/MULTIAXIAL BEHAVIOR
CHAPTER 13—CONCLUSIONS
44 CHAPTER 14—REFERENCES
45 Authored documents

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