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2 2
 M   M 
 III   2  4 2   y   4  x    ; (1.27)

екв M y M x  W  W
 y   K 
– to the point 3
2 2
 M   M 

 III   2  4 2  z  4  x   , (1.28)
екв M z M x    
 W z   W K 
where the coefficient  depends on the aspect ratio of the
rectangle and selected from tables.
The strength of the rod will be provided if all three
conditions are performed (1.26) – (1.28).

Questions for self-assessment

1. What is the combination resistance of the rod?
2. Which is an oblique bending?
3. What is the difference between a flat oblique bending
and a spatial bending?
4. How do you calculate the total bending moment acting
on the beam in oblique bending
5. Could beams with circular and square cross-sections
be subjected to an oblique bending? Explain the
answer.
6. How do you calculate the normal stresses in the beam
cross-section in oblique bending?
7. How do you find the position of the force line in
oblique bending?
8. How do you find the position of the neutral line in
oblique bend?
9. Which points of the beam cross section in the oblique
bending are the most dangerous?
10. Describe the strength condition of a beam in oblique
bending.
11. How do you determine the moving of the axis points
of the beam in oblique bending?
12. What is the correlation between the direction of a
deflection and the neutral line of the beam section in
oblique bending?

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