Questions – Elasticity and Plasticity 2010:
1. Elasticity and plasticity in building engineering.
2. The initial presumptions of the clasic linear elasticity.
3. The term of the plasticity, the small deformation theory, the theory of
the II.order.
Stress, state of the stresses of a member.
4. Relations between stresses and internal forces in a member, diferencial equilibrium
conditions. The main types of stresses – simple and combined. Saint - Venant princip
of local effect.
5. Deformations and displacement of a member, geometric equations, Hook´s law, linear
elastic material, physical constants.
6. Stress-strain diagrams of building material, non-elastic and ideal elastic-plastic
material, ductility.
7. Changes Temperature Deformations.
8. Axial Stress – tension, compression
9. Deformations of a member in tension or compression.
10. Stress at axial load (tension, compression)
11. Deformation of tensile or compressed members
12. Design and assessment of axial loaded member
13. Statically indeterminated problems at axial loaded members
14. Elastic-plastic behaviour at statically indeterminate system of rods – (program1)
15. Simple torsion, determining of the stress and deformation of a circle and a pipe cross
section bar
16. Torsion of the noncircular members
17. Torsion of thin – walled profiles
18. Statically indeterminate problems in torsion
19. Bending of members in elastic state
20. Neutral axes, section modulus, bending of the members at non-symmetrical sections
21. Design and the assessment of bending members
22. Eccentric tension and compression
23. The core of the section
24. Shearing stress in bending of the rectangular cross section
25. Shearing stress in bending of thin-walled members, shear centre
26. Assessment of the members under shear stress in bending
27. Composite members
28. Schwedlers relationship, differential equation of elastic curve
29. Non-uniform temperature of the beam
30. Method of direct integration of differential equation of elastic curve at statically
determinated members
31. Mohr´s method
32. Fourth-order Integration of differential equation at solving statically indeterminate
bending beams
33. Solution of statically indeterminate bending beams by the Force method
34. Stresses in splay cut in plane stress
35. Principal stresses in plane stress, theirs directions
36. Graphic solution of principal stresses by the Mohr´s circle
37. Chosen problems of plane stress – axial stress, pure shear, omnidirectional tension or
compression