Course Details
Concrete Technology 1
Academic Year 2024/25
BJ004 course is not part of any programme in the faculty
Course Guarantor
Institute
Language of instruction
Czech
Credits
5 credits
Semester
winter
Forms and criteria of assessment
course-unit credit and examination
Offered to foreign students
Not to offer
Course on BUT site
Lecture
13 weeks, 2 hours/week, elective
Syllabus
1.Classification and types of concrete. EN 206-1
2.Components of concrete. Aggregates.
3.Components of concrete. Water, cement.
4.Components of concrete. Additives into concrete.
5.Components of concrete. Admixtures to concrete.
6.Reinforcement of concrete.
7.Fresh concrete. Technological relations of concrete composition. Design of concrete composition.
8.Fresh concrete. Processing of fresh concrete.
9.Fresh concrete. Mixing, transport and placing of concrete.
10.Fresh concrete. Forming system and moulds. Compacting of fresh concrete.
11.Concrete. Hardening of concrete. Concrete curing.
12.Concrete. Properties of concrete. Porous structure of cement stone. Micromechanics of concrete.
13.Concrete. Properties of concrete. Strength of concrete. Steel cohesion to concrete. Concrete durability.
Exercise
13 weeks, 2 hours/week, compulsory
Syllabus
1. Concrete and its basic components, overview of basic standards for concrete and its raw materials.
2. Aggregates for concrete.Grain size of aggregates -grading curve by Fuller and by EMPA, modules aggregate band width granularity.Examples of the calculation of the distribution curve sand mixing aggregates.
3. Tests for mechanical and physical properties of aggregates.Voids of aggregates.Specific surface of aggregates.Shape index.Grain size aggregates.Mixing untreated aggregate.Mixing multiple fractions treated aggregates.
4. Design of concrete composition.The definition ofrequirements for theconcrete.The choiceof feedstock.Design of concrete composition.Experimentaldesign verification.Equationabsolutevolumes.Design of concrete compositionestimatedsurplusof cement paste.
5. Design of concrete composition according Bolemeye.Design of concrete composition according to CH. T.Kennedy.
6. Testing fresh concrete.Determination of consistency o concrete -Slump cone method, spills, Vebe adegree of compactibility.Determination of bulk density of fresh concrete.Determination of air contentin fresh concrete.
7. Testing hardened concrete.Test compressive strength, flexural and splitting strength. Density of concrete.Depth of penetration of water under pressure.Frost resistance of concrete.Concrete resistance against water and chemical deicing agents.Air contentin hardened concrete.
8. Excursion to the concrete industry
9. Influence of the amount of water at a constant dosage of cement on the fresh and hardened concrete. Production of concrete with different amounts of water and assessment of workability of concrete and concrete compressive strength after 7 days of curing.
10. Effect of dose of cement at a constant amount of water on the fresh and hardened concrete.Production of concrete with different amounts of cement and concrete assessment of workability and compressive strength of concrete after 7 days of curing.
11. The effect of plasticizing additives at a constant dose of water and cement to the properties of fresh and hardened concrete. Production of concrete with different amounts of plasticizing additives and assessment of the workability of concrete and concrete compressive strength after 7 days of curing.
12. The effect of aerationin gredients at a constant dose of water and the cement properties of the fresh and hardened concrete.Production of concrete with different amounts of aeration additives and assessment of workability of concrete and concrete compressive strength after 7 days of curing.
13. Credit test, inspection reports, attendance, and the credit if you meet all the requirements.