Questions tagged [deflection]

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4
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3answers
986 views

Deflection of thin plate with 1 free edge and deflection > thickness

I have an thin uniform rectangular steel plate supported on 3 sides and free on one, and supporting a uniform load. I'm trying to determine what thickness of plate I need to keep deflection below a ...
4
votes
1answer
2k views

Deriving the deflection force equation for a beam that is fixed on both ends

I want to calculate the force-displacement equation for a beam that is fixed at both ends. I think I should use the superposition principle but I am not very sure how to get started. I know that for,...
1
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1answer
2k views

How determine the compression of a beam with a concentrated end load in the x axis?

I'm studying Electronics Engineering so I have almost no background in mechanics, just a little of statics and dynamics. I have recently started an internship in an investigation center where they ...
2
votes
2answers
1k views

Maximum deflection of a beam with both ends fixed and distributed load

I'm designing a part, and I'm trying to figure out what distance a slot should be from the bottom of the part. For simplicity in analysis, I'm approximating the region between the bottom of the slot ...
1
vote
1answer
971 views

Breaking strength of stainless steel bar

I'm considering attaching a stainless steel bar on a sailboat masthead. My initial thought was to use a bar with a cross section of 3/8x2" and 1/4x2". The bar will be supported for 3" of its 5" ...
9
votes
1answer
2k views

How should a bridge deck closure pour be positioned?

The Question: Where should a closure pour be located relative to centerline of girder and how should the closure pour width be detailed/designed? And now, a little background: When designing a ...
4
votes
3answers
2k views

How is shelf deflection determined?

Question: How is shelf deflection determined? More specifically, how is the deflection determined when one or more edges of the plate have reinforcing edging applied to them? I have been able to find ...
9
votes
1answer
4k views

What is the effect of end diaphragms on prestressed girder forces/deflections?

I'm encasing the abutment ends of prestressed concrete bridge girders in concrete before the deck pour. (For lateral stability and to prevent the soil from spilling through.) Discussion of ...
3
votes
2answers
589 views

Should long-term prestressed girder camber always be upward?

When considering long-term prestressed girder camber (for a bridge), what are the implications (if any) of long-term downward deflection on girder performance? Should prestressing be designed to ...
2
votes
0answers
66 views

What is the load response of a threaded fastener?

Due to the fact that pipe flanges rely on bolts, and bolts rely on friction, it seems obvious to me that in deflecting to meet the load, the nut will immeasurably turn. So my question is - how much? ...

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