Thin plastic hinges serve as joints that allow rotational motions in the wings.
2.
The lid is attached with a continuous plastic hinge.
3.
Plastic hinges extend along short lengths of beams.
4.
I've used silicon grease in plastic hinges before.
5.
Further increment in load don't increase the moment at the points where the plastic hinges are formed.
6.
After a structural member reaches a sufficiently high condition of plastic bending, it acts as a Plastic hinge.
7.
For each degree of static indeterminacy of the beam, an additional plastic hinge must be added to form a collapse mechanism
8.
But detailed analyses have shown that it is sufficiently accurate to consider beams rigid-plastic, with plasticity confined to plastic hinges at points.
9.
:Well, it'd be entirely reasonable for a person jumping up on a toilet to break cheap plastic hinges holding the seat together.
10.
The increased load increases the moment in the less stressed sections of the beam . hence due to this further plastic hinges are formed.
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