Acoustic emission and related non-destructive evaluation techniques in the fracture mechanics of concrete : fundamentals and applications: Fid-Bau Portal

Acoustic emission and related non-destructive evaluation techniques in the fracture mechanics of concrete : fundamentals and applications

Ohtsu, Masayasu

Abstract

1.2 Damage estimation of concrete by acoustic emission technique (DeCAT) procedure1.3 Comparison of concrete damage with crack distribution; 1.4 Application of DeCAT to an in-service concrete structure damaged by earthquake; 1.5 Concluding remarks and future trends; References; 2 -- Acoustic emission wireless monitoring of structures; 2.1 Introduction; 2.2 Acoustic emission (AE) equipment and wireless transmission system; 2.3 Real-time AE analysis: damage evaluation; 2.4 Post-process analysis; 2.5 Damage classification; 2.6 Structural monitoring systems for seismic risk evaluation.

2.7 Applications, observations and results: laboratory tests2.8 Applications, observations and results: in situ monitoring; 2.9 Conclusions; 2.10 Future trends; Acknowledgements; References; 3 -- Identification of the fracture process zone in concrete materials by acoustic emission; 3.1 Introduction; 3.2 Characterization of the fracture process zone (FPZ); 3.3 The process of crack growth and fracture; 3.4 Experimental investigation of the FPZ by acoustic emission (AE) source location; 3.5 Measurement and results of SiGMA analysis; 3.6 Conclusions.

3.7 Future trends and further related informationReferences; 4 -- Corrosion-induced cracks in concrete and hybrid non-destructive evaluation (NDE) for evaluation in rebar corrosion; 4.1 Introduction; 4.2 The corrosion process in concrete; 4.3 Non-destructive evaluation (NDE) for corrosion in rebar; 4.4 Estimation of potentials on rebar surface by PiBEM; 4.5 Acoustic emission (AE) monitoring in the corrosion process; 4.6 Application of hybrid NDE and results; 4.7 Conclusions; References.

5 -- Seismology-based acoustic emission techniques for the monitoring of fracture processes in concrete structures5.1 Introduction and background; 5.2 The acoustic emission (AE) measurement process; 5.3 b-Value analysis; 5.4 Moment tensor inversion; 5.5 Strengths and limitations; 5.6 Summary and conclusions; 5.7 Future trends; Acknowledgements; References; 6 -- Acoustic emission monitoring and quantitative evaluation of damage in concrete beams under creep; 6.1 Introduction; 6.2 Creep behavior of concrete.

Front Cover; Related titles; Acoustic Emission (AE) and Related Non-destructive Evaluation (NDE) Techniques in the Fracture Mechanics of Concrete; Copyright; Contents; List of contributors; Woodhead Publishing Series in Civil and Structural Engineering; Preface; Introduction; 1 Introduction; 2 Acoustic emission and fracture mechanics; 3 Fundamentals of acoustic emission (AE) measurement; 4 System response; 5 Standardization of AE measurement; 6 Concluding remarks; References; 1 -- Damage evaluation in concrete materials by acoustic emission; 1.1 Introduction.