Symmetric loading vs antisymmetric loading

  • Thread starter Thread starter fonseh
  • Start date Start date
  • Tags Tags
    Symmetric
Click For Summary
The discussion centers on the differences between symmetric and antisymmetric loading in beam analysis. The first case is identified as symmetric loading because the load is applied at the midspan, resulting in a consistent moment distribution. In contrast, the second case is considered antisymmetric due to the uneven application of loads, leading to an asymmetric moment diagram. The confusion arises from interpreting the loading conditions and their effects on the moment/deflection diagrams. Understanding these distinctions is crucial for accurate structural analysis.
fonseh
Messages
521
Reaction score
2

Homework Statement


For the circled beam , we can see that for both cases , the load are loaded in the same way ... Why the M / EI diagram for the first case is different from the second case ? Why for the first case , it's symmetric loading ? For the second case , it's antisymmetric loading ?

Homework Equations

The Attempt at a Solution


I think the second case is wrong . Only the first case make sense . From the figure , we can see that the load P is applied at the midspan of AB and CD . So . it's symmetric loading , am i right ?
 

Attachments

  • 574.PNG
    574.PNG
    32.7 KB · Views: 542
  • 575.PNG
    575.PNG
    38.8 KB · Views: 553
  • 576.PNG
    576.PNG
    4.8 KB · Views: 510
  • 577.PNG
    577.PNG
    8.7 KB · Views: 486
Physics news on Phys.org
The loading is not symmetric in case 2.
Why?
 

Similar threads

Engineering Loads on a shaft with V-Belts
  • · Replies 2 ·
Replies
2
Views
3K
Calculating Beam Load for One Way Slab: Analysis and Solutions
  • · Replies 1 ·
Replies
1
Views
2K
Structural Design Homework: Landing Support Analysis
  • · Replies 1 ·
Replies
1
Views
1K
Engineering How to Find the First Buckling Load from the Deflection Equation?
  • · Replies 3 ·
Replies
3
Views
2K
Calculate Axial Load on Column from Beam Transfer
  • · Replies 4 ·
Replies
4
Views
3K
Symbolic relationship between the input and output load
  • · Replies 1 ·
Replies
1
Views
2K
Beam with uniformly distributed springs
  • · Replies 3 ·
Replies
3
Views
6K
Load-Elongation Curve: Reading Elongation at a Load
  • · Replies 1 ·
Replies
1
Views
3K
Engineering Delta and star transformation of AC circuits
  • · Replies 43 ·
2
Replies
43
Views
17K
Buckling load equation for buckling struts
  • · Replies 5 ·
Replies
5
Views
4K