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Joined: Jan 2009
Posts: 29,788 Likes: 1295
Moderator Ambassador Field Correspondent  Lunker
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Moderator Ambassador Field Correspondent  Lunker
Joined: Jan 2009
Posts: 29,788 Likes: 1295 |
Do the math on the lever arm forces that are exerted on the anchors. Threaded rod grade 2, 3/4" has a proof load of 18,400# and a tensile of 24,700#.
Live load is 30# per sq. ft.
How fast that will degrade when the threaded rod starts to rust is anybodys guess.
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