We are pretty serious about making sure what we do is as good as we can make it, and is good for our customers.
One thing we do pretty regularly is randomly test our ground screws for uplift resistance to make sure there are no issues with an array structure down the road.
Nobody requires us to test them-we just want to make sure they’re good.
With a different machine, we’ve pulled on them with considerably more force than the excavator here is able to with positive results.
The engineering for the arrays assumes an uplift test for these screws at something like 1.5x the calculated load for a pull test value of around 2900 pounds, IIRC.
One thing we do pretty regularly is randomly test our ground screws for uplift resistance to make sure there are no issues with an array structure down the road.
Nobody requires us to test them-we just want to make sure they’re good.
With a different machine, we’ve pulled on them with considerably more force than the excavator here is able to with positive results.
The engineering for the arrays assumes an uplift test for these screws at something like 1.5x the calculated load for a pull test value of around 2900 pounds, IIRC.
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Originally posted on: December 21, 2024 at 12:34 am