Course detail

Modelling properties of concrete for load-bearing structures

FAST-DL52Acad. year: 2024/2025

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

Mode of study

Not applicable.

Guarantor

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

Department

Institute of Concrete and Masonry Structures (BZK)

Entry knowledge

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

Rules for evaluation and completion of the course

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

Aims

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

Study aids

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 literature

Not applicable.

Type of course unit

 

Lecture

39 hod., 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.