Acoustic Emission and Related Non-destructive Evaluation Techniques in the Fracture Mechanics of Concrete: Fundamentals and Applications

Acoustic Emission and Related Non-destructive Evaluation Techniques in the Fracture Mechanics of Concrete: Fundamentals and Applications

by Masayasu Ohtsu

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Overview

Acoustic Emission and Related Non-destructive Evaluation Techniques in the Fracture Mechanics of Concrete: Fundamentals and Applications by Masayasu Ohtsu

The development of NDT (non-destructive testing) techniques used for the inspection of concrete structures is currently in high demand, because many existing structures have become aged and deteriorated in service. In order to formulate predictions on their stability and to estimate their safety, it is necessary to identify damage signals and to determine their causes. In this regard, the development and establishment of innovative and highly advanced non-destructive methods are required. Acoustic Emission (AE) and related NDE (non-destructive evaluation) techniques have been extensively used to determine crack detection and damage evaluation in concrete.

With the move towards a more sustainable society, and the need to extend the long-term service life of infrastructure and aging and disastrous damage due to recent earthquakes, Acoustic Emission (AE) and Related Non-destructive Evaluation (NDE) Techniques in the Fracture Mechanics of Concrete: Fundamentals and Applications is a critical reference source for civil engineers, contractors working in construction and materials scientists working both in industry and academia.




  • Presents innovative Acoustic Emission (AE) and related non-destructive evaluation (NDE) techniques, used for damage detection and inspection of aged and deteriorated concrete structures
  • Contributions from recognized world-leaders in the application of acoustic emission (AE) and NDE techniques used for the damage assessment of concrete and concrete structures
  • With the move towards a more sustainable society, and the need to extend the long-term service life of infrastructure and damage due to recent earthquakes, this book is of critical importance
  • An essential knowledge resource for civil engineers, contractors working in construction and materials scientists working both in industry and academia

Product Details

ISBN-13: 9781782423270
Publisher: Elsevier Science
Publication date: 04/15/2015
Series: Woodhead Publishing Series in Civil and Structural Engineering Series
Pages: 318
Product dimensions: 6.00(w) x 9.10(h) x 0.90(d)

Table of Contents

List of contributors ix

Woodhead Publishing Series in Civil and Structural Engineering xi

Preface xv

Introduction xvii

1 Damage evaluation in concrete materials by acoustic emission T. Suzuki 1

1.1 Introduction 1

1.2 Damage estimation of concrete by acoustic emission technique (DeCAT) procedur 1

1.3 Comparison of concrete damage with crack distribution 5

1.4 Application of DeCAT to an in-service concrete structure damaged by earthquake 9

1.5 Concluding remarks and future trends 13

References 14

2 Acoustic emission wireless monitoring of structures G. Lacidogna A. Mannello G. Niccolini F. Accontero A. Carpinieri 15

2.1 Introduction 15

2.2 Acoustic emission (AE) equipment and wireless transmission System 16

2.3 Real-time AE analysis: damage evaluation 18

2.4 Post-process analysis 19

2.5 Damage classification 22

2.6 Structural monitoring systems for seismic risk evaluation 23

2.7 Applications, observations and results: laboratory tests 24

2.8 Applications, observations and results: in situ monitoring 33

2.9 Conclusions 37

2.10 Future trends 37

Acknowledgements 38

References 38

3 Identification of the fracture process zone in concrete materials by acoustic emission K. Ohno 41

3.1 Introduction 41

3.2 Characterization of the fracture process zone (FPZ) 41

3.3 The process of crack growth and fracture 44

3.4 Experimental investigation of the FPZ by acoustic emission (AE) source location 46

3.5 Measurement and results of SiGMA analysis 47

3.6 Conclusions 52

3.7 Future trends and further related information 52

References 54

4 Corrosion-induced cracks in concrete and hybrid non-destructive evaluation (NDE) for evaluation in rebar corrosion Y. Kawasaki T. Okamoto K. Izuno 57

4.1 Introduction 57

4.2 The corrosion process in concrete 57

4.3 Non-destructive evaluation (NDE) for corrosion in rebar 59

4.4 Estimation of potentials on rebar surface by PiBEM 61

4.5 Acoustic emission (AE) monitoring in the corrosion process 62

4.6 Application of hybrid NDE and results 70

4.7 Conclusions 75

References 76

5 Seismology-based acoustic emission techniques for the monitoring of fracture processes in concrete structures L. Mhamdi T. Schumacher L. Linzer 79

5.1 Introduction and background 79

5.2 The acoustic emission (AE) measurement process 83

5.3 b-Value analysis 85

5.4 Moment tensor inversion 92

5.5 Strengths and limitations 104

5.6 Summary and conclusions 106

5.7 Future trends 106

Acknowledgements 108

References 108

6 Acoustic emission monitoring and quantitative evaluation of damage in concrete beams under creep J. Saliba A. Loukili F. Grondin 113

6.1 Introduction 113

6.2 Creep behavior of concrete 114

6.3 Application of the acoustic emission (AE) technique to discriminate the creep effect on the cracking behavior 117

6.4 Assessment of damage mechanisms occurring under creep 123

6.5 Conclusions 132

References 132

7 Laboratory investigations on concrete fracture using acoustic emission techniques R. Vidya Sagar B.K. Raghu Prasad R.K. Singh 137

7.1 Introduction 137

7.2 Acoustic emission (AE) studies in concrete 138

7.3 AE energy release during fracture process in concrete 139

7.4 Finite element analysis of concrete fracture and comparison with AE testing 139

7.5 Applications and results 140

7.6 Conclusions 154

References 155

8 Monitoring of crack propagation in reinforced concrete beams using embedded piezoelectric transducers C. Dumoulin G. Karaiskos A. Deraemaeker 161

8.1 Introduction 161

8.2 Embedded transducers for ultrasonic testing of concrete 162

8.3 Extraction of a damage indicator from ultrasonic waves 164

8.4 Application to crack monitoring in a reinforced concrete beam 167

8.5 Conclusion 171

8.6 Future trends 172

8.7 Sources of further information and advice 173

References 173

9 Quantitative estimation of rebar corrosion in reinforced concrete by thermography H. Oshita 177

9.1 Introduction 177

9.2 Outline of the proposed technique 178

9.3 Temperature at surface of concrete related to corrosion properties of rebar 184

9.4 Surface temperature property of reinforced concrete (RC) with partially corroded rebar 188

9.5 Predictive model for the corrosion rate 197

9.6 Applicability of the proposed model 201

9.7 Concluding remarks 202

9.8 Future trends 203

References 203

10 Estimation of concrete strength by the contrast X-ray method M. Takeda K. Otsuka 205

10.1 Introduction 205

10.2 The contrast X-ray method 205

10.3 Test results 209

10.4 Conclusions 215

10.5 Future trends 215

References 216

11 Low-level acoustic emission (AE) in the long-term monitoring of concrete P. Ziehl M. ElBatanouny 217

11.1 Introduction 217

11.2 Damage mechanisms for which low-level acoustic emission (AE) is needed 217

11.3 Damage mechanisms for which low-level AE is not appropriate 221

11.4 Separation of noise from data of interest 222

11.5 Special considerations for wireless sensing 223

11.6 Case studies 223

11.7 Conclusions and recommendations 233

References 234

12 Artificial neural network analysis of acoustic emission data during longtime corrosion monitoring of post-tensioned concrete structures E. Proverbio L. Calabrese 237

12.1 Introduction 237

12.2 Corrosion mechanisms in post-tensioned concrete structures 238

12.3 Monitoring of post-tensioned concrete structures by acoustic emission (AE) 240

12.4 Numerical modelling and experimental analysis 241

12.5 Application, measurement and results 246

12.6 Conclusions 264

12.7 Future trends 264

References 265

13 Acoustic monitoring for the evaluation of concrete structures and materials D.G. Aggelis A.C. Mpalaskas T.E. Matikas 269

13.1 Introduction 269

13.2 Acoustic emission 270

13.3 Continuous monitoring 272

13.4 Wireless systems 274

13.5 Optimal performance and maintenance of highway bridges 274

13.6 Conclusion 283

Acknowledgment 284

References 284

Index 287

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