Course detail

Moisture maintenance and thermal-technical problems

FAST-DC55Acad. year: 2020/2021

Properties of water, equilibrium in water solutions, pH-factor, inorganic and organic substances dissolved in water. Hygric characteristic of building materials and the effect of moisture on the mechanical and thermal-insulation properties of building materials. Dimensional changes of building materials. Causes of water transport in capillary systems, co-operative of hygric-transport phenomenon. Chemism and biological processes in humid masonry. Measurement and classification of moisture, hygric recognition of buildings. Kinds of maintenance methods – mechanical, chemical, electro kinetics, aerial. Desalination of masonry, maintenance plasters, properties and criteria of their evaluation, life time. Protection against compressive water, water-proofing bands, hydrophobic agens. Water vapour diffusion and capillary transport in joints. Moisture propagation in punctual deteriorated materials. The Construction modification for risk elimination of internal condensation.

Language of instruction

Czech

Guarantor

prof. RNDr. Pavla Rovnaníková, CSc.

Department

Institute of Chemistry (CHE)

Learning outcomes of the course unit

Student will manage the transport processes of water in building materials, measurement of moisture and methods regarding the elimination of a moisture in buildings.

Prerequisites

Base of general, physical, inorganic and organic chemistry in the range of the subject BC01 and physics of building materials in the range of subject BC06.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Not applicable.

Course curriculum

1. Properties of water, equilibrium in water solutions, pH-factor, inorganic and organic substances dissolved in water.
2. Hygric characteristic of building materials and the effect of moisture on the mechanical and thermal-insulation properties of building materials. Volume changes of building materials.
3. Causes of water transport in capillary systems due to hygric-transport phenomenon.
4. Chemism and biological processes in humid masonry.
5. Measurement and classification of moisture, hygric recognition of buildings.
6. Maintenance method – mechanical.
7. Maintenance method – chemical and electro kinetics.
8. Maintenance method – aerial.
9. Desalination of masonry, maintenance plasters, properties and criteria of their evaluation, life time.
10. Protection against compressive water, water-proofing bands, hydrophobic agens.
11. Water vapour diffusion and capillary transport in joints.
12. Moisture propagation in punctual deteriorated materials.
13. The construction modification for risk elimination of internal condensation.

Work placements

Not applicable.

Aims

Hygric characteristic of buildings materials in relation to the methods of the maintenance of moisty masonry.

Specification of controlled education, way of implementation and compensation for absences

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

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Černý, R., Rovnaníková, P.: Transport Processes in Concrete. Spon Press 2002
Hall, Ch., Hoff, W.D.: Water transport in brick, stone and concrete. Spon Press 2002
Lebeda, J.: Sanace vlhkého zdiva. Praha:SNTL 1988

Recommended reading

Not applicable.

Type of course unit

 

Lecture

39 hours, optionally

Teacher / Lecturer

prof. RNDr. Pavla Rovnaníková, CSc.

Syllabus

1. Properties of water, equilibrium in water solutions, pH-factor, inorganic and organic substances dissolved in water. 2. Hygric characteristic of building materials and the effect of moisture on the mechanical and thermal-insulation properties of building materials. Volume changes of building materials. 3. Causes of water transport in capillary systems due to hygric-transport phenomenon. 4. Chemism and biological processes in humid masonry. 5. Measurement and classification of moisture, hygric recognition of buildings. 6. Maintenance method – mechanical. 7. Maintenance method – chemical and electro kinetics. 8. Maintenance method – aerial. 9. Desalination of masonry, maintenance plasters, properties and criteria of their evaluation, life time. 10. Protection against compressive water, water-proofing bands, hydrophobic agens. 11. Water vapour diffusion and capillary transport in joints. 12. Moisture propagation in punctual deteriorated materials. 13. The construction modification for risk elimination of internal condensation.