Forum Discussion
Pangaea_Ron
Jan 09, 2018Explorer
Doing a quick calculation of the compressive strength of each plywood box, it looks something like this.
Assuming a 8" x 12" box, the vertical sides are:
12+12+8+8+8+8 = 56 lineal inches of 3/4" plywood
56 x 3/4 = 42 square inches
Compressive of strength of plywood parallel to face = 4,500 to 6,000 psi
42 x 4,500 = 189,000 pounds
There are other factors too consider, but the boxes certainly seem adequate for his needs.
Assuming a 8" x 12" box, the vertical sides are:
12+12+8+8+8+8 = 56 lineal inches of 3/4" plywood
56 x 3/4 = 42 square inches
Compressive of strength of plywood parallel to face = 4,500 to 6,000 psi
42 x 4,500 = 189,000 pounds
There are other factors too consider, but the boxes certainly seem adequate for his needs.
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