Course detail
Theoretical Basics of Special Building Materials
FAST-CJ059Acad. year: 2018/2019
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.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Learning outcomes of the course unit
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
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
Work placements
Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
Recommended reading
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
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
Teacher / Lecturer
Syllabus
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.