Describing Different Types of Structures

[MatthewMansfield]

Hello all

I was wondering if someone help clear up some confusion I have regarding different type of structures.

Below are 4 x diagrams of beams:-

https://files.engineering.com/getfi...b2-44d8-9107-5bf3d572155d&file=Beam_Types.PNG

I have seen these types before but what confused me was that when I tried to name these types of beams I got stuck.

I would name these structures as:-

A = Cantilever Beam
B = Propped Cantilever Beam
C = No Idea???
D = Simply Supported.

How would you name these structures?

Also how would you formally define these types of structures?

I have always thought that Diagram C was simply supported????

Can anyone shed any light?

Thank you.

 

[bimr]

Look at this:

Types of Beams

 

[Ron]

A- Cantilever
B-Propped Cantilever
C-Propped Cantilever
D-Simple support

 

[Ron247]

I agree with the other Ron. Your C option has a pinned support symbol on the left end but your force arrows indicate a fixed end. One needs to change.
I have never seen Option D symbol on the left side before.

 

[BridgeSmith]

A is a cantilever, obviously.

B I would call a fixed-pinned beam. The AISC Steel Manual calls it "Fixed at one end, supported at the other". I guess "propped cantilever" works too.

C is a simply supported beam; the curved arrow can only be meant to indicate rotational restraint of the pinned support. Otherwise, it's no different than B.

D is either unstable (assuming the dot in the middle indicates a pin about which the support can rotate), or a simply supported beam.

Rod Smith, P.E., The artist formerly known as HotRod10

 

[dik]

D is SS... a pin and a roller.

Rather than think climate change and the corona virus as science, think of it as the wrath of God. Feel any better?

-Dik