Course Details

Chemistry of Building Materials

Academic Year 2023/24

CC051 course is part of 1 study plan

N-P-C-SI (N) / K Summer Semester 1st year

Chemical bond, chemical equilibrium. Kinetics of chemical reactions. Thermal balance of chemical reaction. Water, ionization, pH. Chemistry of inorganic non-metallic materials - composition, properties and degradation. Chemistry and electrochemistry of metallic building materials, electrochemical potentials, corrosion of metals, and protection. Chemical properties of polymers, their stability and degradation. Biocorrosion of building materials.

Course Guarantor

Institute

Objective

Chemical processes of the solid structure of inorganic binder forming, electrochemical properties of metals, degradation and corrosion processes of building materials.

Knowledge

Student gets the aim of subject under control, i. e. chemical reactions of the solid structure of inorganic binder forming, chemical properties of metals, and degradation and corrosion processes of building materials.

Syllabus

1. Chemical bond. Chemical equilibrium.
2. Kinetics of chemical reaction. Thermal balance of chemical reaction.
3. Water – structure, ionization, pH, substances content in water, and their effect on building materials.
4. Porosity of building materials. Transport of water and salts.
5. Chemistry of gypsum and anhydrite binders, properties of hardened gypsum, and degradation.
6. Chemistry of lime binders, plasters and mortars, degradation, renovation of plasters.
7. Degradation of ceramics – composition, porous structure, crystallization pressure of salts in pores. Chemistry of glass, and corrosion.
8. Chemical properties of cement paste in concrete.
9. Degradation processes of cement paste in concrete caused by atmosphere and aggressive solutions.
10. Chemical properties of aggregates in concrete, degrading processes. Stability and degradation of fibre reinforcement.
11. Chemistry of polymers based on carbon and silicon chains. Degradation of polymers.
12. Electrochemical properties of metals, electrochemical potentials. Metal corrosion. Corrosion of steel reinforcement in concrete, in water, soil corrosion, atmospheric corrosion.
13. Biocorrosion of building materials – fungi, alga, bacteria. Protection to corrosion and degradation of building materials.

Prerequisites

Base of general chemistry, kinds of chemical bonds in compounds, reaction kinetics, dissociation, electrolytes, base knowledge of electrochemistry, standard electrode potentials, base knowledge of inorganic chemistry, base of organic chemistry, principal of chemical terminology, stoichiometric calculations.

Language of instruction

Czech

Credits

4 credits

Semester

summer

Forms and criteria of assessment

course-unit credit and examination

Specification of controlled instruction, the form of instruction, and the form of compensation of the absences

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Offered to foreign students

Not to offer

Course on BUT site

Lecture

13 weeks, 2 hours/week, elective

Syllabus

1. Chemical bond. Chemical equilibrium. 2. Kinetics of chemical reaction. Thermal balance of chemical reaction. 3. Water – structure, ionization, pH, substances content in water, and their effect on building materials. 4. Porosity of building materials. Transport of water and salts. 5. Chemistry of gypsum and anhydrite binders, properties of hardened gypsum, and degradation. 6. Chemistry of lime binders, plasters and mortars, degradation, renovation of plasters. 7. Degradation of ceramics – composition, porous structure, crystallization pressure of salts in pores. Chemistry of glass, and corrosion. 8. Chemical properties of cement paste in concrete. 9. Degradation processes of cement paste in concrete caused by atmosphere and aggressive solutions. 10. Chemical properties of aggregates in concrete, degrading processes. Stability and degradation of fibre reinforcement. 11. Chemistry of polymers based on carbon and silicon chains. Degradation of polymers. 12. Electrochemical properties of metals, electrochemical potentials. Metal corrosion. Corrosion of steel reinforcement in concrete, in water, soil corrosion, atmospheric corrosion. 13. Biocorrosion of building materials – fungi, alga, bacteria. Protection to corrosion and degradation of building materials.

Exercise

13 weeks, 2 hours/week, compulsory

Syllabus

Introduction to practice, safety of laboratory work, fire prevention Salinity of masonry, adjustment of salts and deep of penetrating into testing material Water, determination of ions in water, argentometric determination of chlorides Binders, adjustment the type of binder according to present elements, deetrminatio of sulphste in solution Analysis of cement, decomposition of cement, determination of MnO in blended cement Analysis of cement, determination of CaO and MgO, decomposition of sample for determination of sulphates, determination of SiO2 Analysis of cement, determination of Fe2O3 and Al2O3, filtration of precipitate of BaSO4 Analysis of cement, determination of TiO2 and P2O5, annealing of precipitate of BaSO4 Corrosion of concrete, determination of Ca(OH)2 in cement pastes, adjustment of carobated and non-carbonated cement paste Determination of aggressive CO2 in water, determination of ammonium ions in water Silicium, preparing of silicium using magnesium as reducing agent, solubility of silicium in alkaline solutions, preparation of borosilicate glass Supervision of protocols, credit