Understanding Plane Stress and Mohr's Circle in Truss Structures

In summary, planes stress in a truss refers to the distribution of internal forces and stresses within a framework commonly used in engineering and construction projects. The factors that affect planes stress include load, geometry, material properties, and boundary conditions. It is typically calculated using mathematical equations and is important for ensuring structural stability and safety. To reduce planes stress, engineers can modify the design, redistribute loads, or reinforce the truss with additional supports or structural elements.
  • #1
fonseh
529
2

Homework Statement


[/B]
For part b , i think one of the angle either $$\theta_s$$ or $$\theta_p$$ is wrong
For the second question , what is plane stress ?

Homework Equations

The Attempt at a Solution


[/B]
1.) Because in mohr's circle, the maximum shear stress on the vertical axis , for the maximum normal stress , it's on the horizontal axis , right ?
 

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  • #2
I am sorry that the title of the topic is confusing . I think the part a is not related to part b
 
  • #3
Bump
 
  • #4
Or is my sketch of mohr's circle is wrong ?
 

FAQ: Understanding Plane Stress and Mohr's Circle in Truss Structures

What is planes stress in a truss?

Planes stress in a truss refers to the distribution of internal forces and stresses within a truss structure, which is a type of framework commonly used in engineering and construction projects.

What factors affect planes stress in a truss?

The factors that affect planes stress in a truss include the type of load being applied, the geometry and material properties of the truss, and the boundary conditions or supports at each end.

How is planes stress calculated in a truss?

Planes stress in a truss is typically calculated using mathematical equations, such as the method of joints or the method of sections. These methods involve breaking down the truss into smaller sections and analyzing the forces and stresses at each joint or section.

What is the importance of considering planes stress in a truss?

Considering planes stress in a truss is important for ensuring the structural stability and safety of the truss. If the stresses exceed the strength of the materials, it can lead to structural failure and potential hazards.

How can planes stress in a truss be reduced?

To reduce planes stress in a truss, engineers can modify the design by using stronger materials, changing the geometry of the truss, or adding additional supports. Alternatively, the loads can be redistributed or the truss can be reinforced with braces or other structural elements.

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