Course detail

Modelling properties of concrete for load-bearing structures

FAST-DL52Acad. year: 2019/2020

Physical and geometric non-linearity. Physically non-linear behaviour of concrete structures. Modelling physically non-linear behaviour of concrete structures stressed by normal forces and bending moments.
One-dimensional, plane and spatial state of stress. Origin and development of cracks, changes of rigidity.
Torsion of thin-wall sections of a closed shape.
Time-dependent phenomena - types, principles. Ageing of concrete, change of physically-mechanical properties and its consideration. Modelling of time-dependent phenomena, principles (superposition, afinity).
Theory of creeping, simple models. Theory of plasticity, theory of ageing, combined theory - definitions, differences, applicability.
Concrete shrinkage (free, fixed) - definitions, modelling, applicability.

Language of instruction

Czech

Guarantor

prof. RNDr. Ing. Petr Štěpánek, CSc., dr. h. c.

Department

Institute of Concrete and Masonry Structures (BZK)

Learning outcomes of the course unit

Not applicable.

Prerequisites

structural mechanics, elasticity and plasticity, principles of calculation of concrete creep and shrink effects on design of concrete structures

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. Physical and geometric non-linearity.
2. Physically non-linear behaviour of concrete structures.
3. Modelling physically non-linear behaviour of concrete structures stressed by normal forces and bending moments.
4.-5. One-dimensional, plane and spatial state of stress.
6. Origin and development of cracks, changes of rigidity.
7. Torsion of thin-wall sections of a closed shape.
8. Time-dependent phenomena - types, principles.
9. Ageing of concrete, change of physically-mechanical properties and its consideration.
10. Modelling of time-dependent phenomena, principles (superposition, afinity).
11. Theory of creeping, simple models.
12. Theory of plasticity, theory of ageing, combined theory - definitions, differences, applicability.
13.-14. Concrete shrinkage (free, fixed) - definitions, modelling, applicability.

Work placements

Not applicable.

Aims

Non-linear analysis of concrete structures and their parts.
Torsion of thin-wall sections of a closing shape.
Modelling of time-dipendent phenomena.

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

Holzenkämpfer, P.: Ingeniermodelle des Verbundes geklebter Bewerung für Betonbauteile. DAStB Heft 473, Beuth, Berlin 1997 (DE)
Khonke, P.: ANSYS - User manual. SAS IP, Cannonsburg 1999 (EN)
Leonhardt, F.: Vorlesungen über Massivbau. Springer-Verlag, Berlin 1983 (DE)

Recommended reading

Not applicable.

Type of course unit

 

Lecture

39 hours, optionally

Teacher / Lecturer

prof. RNDr. Ing. Petr Štěpánek, CSc., dr. h. c.

Syllabus

1. Physical and geometric non-linearity. 2. Physically non-linear behaviour of concrete structures. 3. Modelling physically non-linear behaviour of concrete structures stressed by normal forces and bending moments. 4.-5. One-dimensional, plane and spatial state of stress. 6. Origin and development of cracks, changes of rigidity. 7. Torsion of thin-wall sections of a closed shape. 8. Time-dependent phenomena - types, principles. 9. Ageing of concrete, change of physically-mechanical properties and its consideration. 10. Modelling of time-dependent phenomena, principles (superposition, afinity). 11. Theory of creeping, simple models. 12. Theory of plasticity, theory of ageing, combined theory - definitions, differences, applicability. 13.-14. Concrete shrinkage (free, fixed) - definitions, modelling, applicability.