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

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

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Description

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.

 

Document Details

Author: ACI Committee 228

Publication Year: 2013

Pages: 82.00

ISBN: 9780870318207

Categories: Nondestructive Evaluation

Formats: PDF, ePub, or Kindle

Table of Contents

CHAPTER 1—INTRODUCTION

1.1—Scope

1.2—Needs and applications

1.3—Objective

CHAPTER 2—NOTATION AND DEFINITIONS

2.1—Notation

2.2—Definitions

CHAPTER 3—SUMMARY OF METHODS

3.1—Visual inspection

3.2—Stress-wave methods for structures

3.3—Low strain stress-wave methods for deep foundations

3.4—Nuclear methods

3.5—Magnetic and electrical methods

3.6—Methods for measuring transport properties

3.7—Infrared thermography

3.8—Radar

CHAPTER 4—PLANNING AND PERFORMING NONDESTRUCTIVE TESTING INVESTIGATIONS

4.1—Selection of methods

4.2—Defining scope of investigation

4.3—Numerical and experimental simulations

4.4—Correlation with intrusive testing

4.5—Reporting results

CHAPTER 5—REFERENCES

APPENDIX A: THEORETICAL ASPECTS OF MOBILITY PLOT OF PILE

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