Łukasz Sadowski is an Associate Professor and Head of the Department at the Faculty of Civil Engineering of Wroclaw University of Science Technology, Poland.Professor Jerzy Hoła is an employee and former dean of the Faculty of Civil Engineering of Wroclaw University of Science and Technology, Poland.

• 1. Introduction 2. The problem of the degradation of concrete floors 3. Introduction to the diagnostics of floors 4. The classification of non-destructive and semi-destructive methods and their usefulness in floor diagnostics 5. Guide for using different non-destructive and semi-destructive methods in floor diagnostics 6. The reliability of using non-destructive methods in floor diagnostics 7. The calibration and scaling of test equipment 8. The diagnosis of dowelled concrete floors 9. Diagnostics of concrete floors with a top layer of stone slabs 10. Diagnostics of concrete industrial floors 11. Diagnostics of concrete industrial floors with a polyurethane-cement top layer 12. The diagnostics of cement screeds 13. The diagnostics of layered concrete floors and the assessment of the bonding of layers 14. The diagnostics of post-tensioned concrete floors 15. Conclusion

Łukasz Sadowski is an Associate Professor and Head of the Department at the Faculty of Civil Engineering of Wroclaw University of Science Technology, Poland.Professor Jerzy Hoła is an employee and former dean of the Faculty of Civil Engineering of Wroclaw University of Science and Technology, Poland.

• 1. Introduction 2. The problem of the degradation of concrete floors 3. Introduction to the diagnostics of floors 4. The classification of non-destructive and semi-destructive methods and their usefulness in floor diagnostics 5. Guide for using different non-destructive and semi-destructive methods in floor diagnostics 6. The reliability of using non-destructive methods in floor diagnostics 7. The calibration and scaling of test equipment 8. The diagnosis of dowelled concrete floors 9. Diagnostics of concrete floors with a top layer of stone slabs 10. Diagnostics of concrete industrial floors 11. Diagnostics of concrete industrial floors with a polyurethane-cement top layer 12. The diagnostics of cement screeds 13. The diagnostics of layered concrete floors and the assessment of the bonding of layers 14. The diagnostics of post-tensioned concrete floors 15. Conclusion

Łukasz Sadowski is an Associate Professor and Head of the Department at the Faculty of Civil Engineering of Wroclaw University of Science Technology, Poland.Professor Jerzy Hoła is an employee and former dean of the Faculty of Civil Engineering of Wroclaw University of Science and Technology, Poland.

• 1. Introduction 2. The problem of the degradation of concrete floors 3. Introduction to the diagnostics of floors 4. The classification of non-destructive and semi-destructive methods and their usefulness in floor diagnostics 5. Guide for using different non-destructive and semi-destructive methods in floor diagnostics 6. The reliability of using non-destructive methods in floor diagnostics 7. The calibration and scaling of test equipment 8. The diagnosis of dowelled concrete floors 9. Diagnostics of concrete floors with a top layer of stone slabs 10. Diagnostics of concrete industrial floors 11. Diagnostics of concrete industrial floors with a polyurethane-cement top layer 12. The diagnostics of cement screeds 13. The diagnostics of layered concrete floors and the assessment of the bonding of layers 14. The diagnostics of post-tensioned concrete floors 15. Conclusion