jeudi 28 mai 2015

What foundation for under 9-12,000 bushel hopper bins

Thinking about buying a few hopper bins with skids. Have a clay soil that shrinks and swells as it gets wet and dry. My 1620 wheatland fertilizer bins with 10" of gravel under the skids will shift and require leveling about every 8 years. Seems like the south side of the bins thaws first in the spring from the sun.

Wondering what I would need for larger hopper bins with steel skids? Thicker gravel? Thin cement pad under the steel skid? Thicker cement donut under the steel skid?

Flat bottom bins are easy as they spread their weight out quite well. Hopper bins put a lot of weight in a very small area around the outside of the bin.

Are larger hopper bins better or worse for supporting? A bigger diameter would look to be more stable, but also more weight because the bin is usually larger.

I have heard of a few falling over, but never got a good reason as to why? Structural failure or poor site prep.
What foundation for under 9-12,000 bushel hopper bins

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