Course Details

Technology of Rehabilitation

Academic Year 2025/26

NJA034 course is part of 1 study plan

​ NPC-SIM Summer Semester 1st year

Course Guarantor

doc. Ing. Jiří Bydžovský, CSc.

Institute

Institute of Technology of Building Materials and Components

Language of instruction

Czech

Credits

5 credits

Semester

summer

Forms and criteria of assessment

course-unit credit and examination

Offered to foreign students

Not to offer

Course on BUT site

https://www.vut.cz/en/students/courses/detail/295842

Lecture

13 weeks, 2 hours/week, elective

Syllabus

  • 1. Introduction into the subject. Basic concepts in the field of reinforced concrete rehabilitation.
  • 2. Diagnostics – types of investigation, extents, division and methods of tests.
  • 3. Strategy of concrete rehabilitation – criteria for the selection of adequate materials and technologies.
  • 4. Contents of technical rules for rehabilitation.
  • 5. Methods of concrete and reinforcement pre-treatment.
  • 6.–7. Repair materials for concrete re-profiling, material base, properties, methods of application.
  • 8. Check tests, methods, frequency.
  • 9. Biology of humid masonry, water evaporation from masonry, capillary attraction.
  • 10. Basic concepts. Chemism of humid masonry, biological factors. Materials porosity, effects of external surroundings. Methods of moisture determination in building structures.
  • 11. Water affecting the objects. Checking of humid buildings.
  • 12. Methods of masonry desalting. Methods of moisture rehabilitation – mechanical, chemical. Rehabilitation mortars. Insulating materials.
  • 13. Type of wood material attacks, structure of degraded wood, determination of the type of attack. Technology of wood rehabilitation – mechanical, chemical.

Exercise

13 weeks, 2 hours/week, compulsory

Syllabus

  • 1. Introduction exercise. Students are introduced with the laboratory procedure and safety. They are introduced with filling exercise and the conditions for obtaining the credit.
  • 2. Testing of base concrete. Summary of basic tests of physical and mechanical properties of concrete in the context of remediation.
  • 3. Methods used in branch of architectural and engineering research of reinforced concrete structures. Video presentation, demonstration acoustic tracking, pull-off test, etc.
  • 4. Laboratory testing significance polymer dispersion in polymercement composites.
  • 5. Specification of statement for architectural and engineering research of reinforced concrete structures and its realization.
  • 6. Laboratory testing of commercially manufactured repair mortars. Comparison of properties (both fresh and hardened) mortars from reputable manufacturers. Comparison with the requirements of standards.
  • 7. Specification of statement for remediation of specific reinforced concrete structures.
  • 8. Excursion to construction rehabilitated one of the innovative technologies, demonstration remediation "in situ".
  • 9. Laboratory testing salinity masonry. Practical introduction to the methods used to determine the presence of salts (sulfates, chlorides, etc.) in brickwork.
  • 10. Laboratory testing of remediation plaster. Comparison of observed values with those declared by the manufacturer of plaster, the definition of usability improvement plasters.
  • 11. Practical examples of the possibilities of rehabilitation of humid masonry with a focus on injection.
  • 12. Laboratory testing of different types of secondary protection (impregnation, coating, etc.).
  • 13. Credit test, grant of the credit.