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Would the self weight of something be included in the total axial load acting on it calculation?

Would the self weight of something be included in the total axial load acting on it calculation?

Would the self weight of something be included in the total axial load acting on it calculation?

(OP)
Title, thanks

RE: Would the self weight of something be included in the total axial load acting on it calculation?

Yes, but it is often a small proportion of the total load.

RE: Would the self weight of something be included in the total axial load acting on it calculation?

Provide a sketch of your situation, and the weights and diameters involved.

The answer is, "It depends."

RE: Would the self weight of something be included in the total axial load acting on it calculation?

A lot of times, it would be considered negligible and disregarded. Example: Hanging a weight from a cable, people don't usually factor in the cable weight.

RE: Would the self weight of something be included in the total axial load acting on it calculation?

Yes. Had to do that for tilt-up walls in the PCA slender wall anslysis

Mike McCann, PE, SE (WA)


RE: Would the self weight of something be included in the total axial load acting on it calculation?

Often with geotechnical work (footings, piers, piles, etc.) the weight of the soil displaced is approximately the weight of the concrete placed, and, the weight of footings, etc. is ignored. In addition, the soil on top of the footing is often ignored because the soil already has the surcharge of these materials above the founding level.

Dik

RE: Would the self weight of something be included in the total axial load acting on it calculation?

Mike... if it's something I can't lift by hand, like tilt up panels, I include the weight.

Dik

RE: Would the self weight of something be included in the total axial load acting on it calculation?

If it is a column and you are looking at
- the column capacity at the top, no
- the column capacity at the bottom, then yes.

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