Course detail
Technology of Rehabilitation
FAST-CJ52Acad. year: 2013/2014
Methods of investigation of concrete structures.
Rehabilitation of concrete and reinforced concrete: Influence of technology to the durability of concrete. Surface treatment before application of rehabilitation methods. Rehabilitation materials: Surface treatment materials -types, properties, utilization, classification, gunned concrete and gunned mortar. Grouting. Rehabilitation of failures of water resistant concrete, types. Checking the quality of concrete and reinforced concrete rehabilitation.
Rehabilitation of wet masonry (from bricks, mixed, stone masonry): Basic approach. Chemism of wet masonry, biological effects. Porosity of material, outer surroundings effect. Water effect to objects. Determination of moisture in building structures. Masonry - desalination methods. Methods preventing water effects. Insulation materials.
Wood rehabilitation: kinds of wood material attack. Structure of ridden wood. Determination of the type of attack. Technology of rehabilitation - mechanical, chemical methods. Fire prevention of wood.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Learning outcomes of the course unit
Next part of course are finding about repair of brick construction, where graduate regaining information on fault sources and possibilities of their sanitation.
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
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.
Work placements
Aims
The next component of the subject is knowledge concerning rehabilitation of brickwork structures. The student obtains here information about reasons of failures and the possibilities of their rehabilitation. The last component of the subject is the rehabilitation of wood.
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
Recommended reading
Emmons, P., Drochytka, R., Jeřábek, Z.: Sanace a údržba betonu. Akademické nakladatelství CERM, Brno, 1999. ISBN 80-7204-106-1. (CS)
Matoušek, M., Drochytka, R: Atmosférická koroze betonů. IKAS Praha, 1998. ISBN 80-902558-0-9. (CS)
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
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
Teacher / Lecturer
Syllabus
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.