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ACI 228.2R 13:2013 Edition

ACI 228.2R 13:2013 Edition

$59.85

228.2R-13 Report on Nondestructive Test Methods for Evaluation of Concrete in Structures

Published By Publication Date Number of Pages
ACI 2013 86
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A review is presented of nondestructive test (NDT) methods for evaluating the condition of concrete and steel reinforcement in structures. Methods discussed include visual inspection, stresswave, nuclear, measurement of fluid transport properties, magnetic and electrical, infrared thermography, and ground-penetrating radar. The principle of each method is discussed and the typical instrumentation described. Testing procedures are summarized and the data analysis methods explained. The advantages and imitations of the methods are highlighted. This report concludes with a discussion of planning a NDT program. General information is provided for those faced with the task of evaluating the condition of a concrete structure and who are considering the applicability of NDT methods to aid in that evaluation. Keywords: covermeter; deep foundations; half-cell potential; infrared thermography; nondestructive testing; polarization resistance; radar; radiography; radiometry; stress-wave methods; transport properties; visual inspection.

PDF Catalog

PDF Pages PDF Title
3 CONTENTS
4 CHAPTER 1— INTRODUCTION
1.1—Scope
1.2—Needs and applications
1.3—Objective
CHAPTER 2— NOTATION AND DEFINITIONS
2.1—Notation
5 2.2—Definitions
CHAPTER 3— SUMMARY OF METHODS
7 3.1—Visual inspection
8 3.2—Stress-wave methods for structures
19 3.3—Low strain stress-wave methods for deep foundations
25 3.4—Nuclear methods
30 3.5—Magnetic and electrical methods
46 3.6—Methods for measuring transport properties
53 3.7—Infrared thermography
55 3.8—Radar
63 CHAPTER 4— PLANNING AND PERFORMING NONDESTRUCTIVE TESTING INVESTIGATIONS
4.1—Selection of methods
64 4.2—Defining scope of investigation
68 4.3—Numerical and experimental simulations
73 4.4—Correlation with intrusive testing
4.5—Reporting results
CHAPTER 5— REFERENCES
83 APPENDIX A- THEORETICAL ASPECTS OF MOBILITY PLOT OF PILE

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