Course Details
Theoretical Basics of Special Building Materials
Academic Year 2024/25
NJB042 course is part of 1 study plan
NPC-SIM Winter Semester 2nd year
Water and its influence on building materials, interface between different phases, surface tension, surface adsorption and desorption, sorption isotherm, dispersions, associative colloids, rheological properties of dispersion systems, surfactants – influence on building materials, metakaolin, fly ash, slag, water glass, alkali-activated slag, geopolymers.
Credits
5 credits
Language of instruction
Czech
Semester
winter
Course Guarantor
Institute
Forms and criteria of assessment
course-unit credit and examination
Entry Knowledge
Basics of general and inorganic chemistry, chemical composition of building materials, chemical nomenclature, chemistry and technology of binders.
Basic Literature
Bartovská L., Šišková M., Fyzikální chemie povrchů a koloidních soustav, Vydavatelství VŠCHT, Praha, 2005. (cs)
Mezger T. G. Applied Rheology, Anton Paar, Austria, 2014. ISBN 978-3-9504016-0-8 (en)
Aïtcin P.-C., Flatt R. J. Science and Technology of Concrete Admixtures, Woodhead Publishing, Cambridge UK, 2016. ISBN 978-0-08-100693-1 (en)
Shi C., Krivenko P. V., Roy D. Alkali-Activated Cements and Concretes, Taylor&Francis, Abingdon, UK, 2006. ISBN 978-0-415-70004-7 (en)
Mezger T. G. Applied Rheology, Anton Paar, Austria, 2014. ISBN 978-3-9504016-0-8 (en)
Aïtcin P.-C., Flatt R. J. Science and Technology of Concrete Admixtures, Woodhead Publishing, Cambridge UK, 2016. ISBN 978-0-08-100693-1 (en)
Shi C., Krivenko P. V., Roy D. Alkali-Activated Cements and Concretes, Taylor&Francis, Abingdon, UK, 2006. ISBN 978-0-415-70004-7 (en)
Recommended Reading
Provis J. L., van Deventer J. S. J. Akali Activated Materials, RILEM, Springer, 2014. ISBN 978-94-007-7672-2 (en)
Offered to foreign students
Not to offer
Course on BUT site
Lecture
13 weeks, 2 hours/week, elective
Syllabus
- 1. Water – properties and its influence on building materials.
- 2. Interface between phases, surface tension, adsorption.
- 3. Heterogeneous dispersions – stability, rheology.
- 4. Surfactants – plasticizers, foaming and defoaming agents, air entraining agents, shrinkage reducing admixtures.
- 5. Alkali-activated aluminosilicates – raw materials.
- 6. Alkali-activators – water glass, properties.
- 7. Slag – physico chemical properties a mineralogical composition.
- 8. Alkali-activated slag.
- 9. Geopolymers.
- 10. Slag-sulfated cement and slag-lime cement.
Exercise
13 weeks, 2 hours/week, compulsory
Syllabus
- 1. Introduction to the laboratory sessions.
- 2. Determination of the surface tension of water and solutes of different salts and concrete admixtures.
- 3. Determination of critical micelle concentration of air entraining agents.
- 4. Determination of the influence of different plasticizers on the rheological properties of cement paste.
- 5. Effect of water glass dosage on the properties of alkali-activated slag mortar. Specimen preparation and determination of 7 days strength.
- 6. Effect of water glass composition (silicate modulus) on the properties of alkali-activated slag mortar. Specimen preparation and determination of 7 days strength.
- 7. Preparation and testing of metakaolin-based geopolymer properties, determination of the influence of different activator types.
- 8. Effect of the mixing time on the properties of renovation plasters – bulk density, porosity and strength.
- 9. Assessment of efflorescence on geopolymer samples with different composition.
- 10. Credit.