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I did mis-speak, the plate is supported along the 8 foot length, such that it will be spanning the 4 foot direction. Basically, the plate will lay accross an opening to allow for a pallet jack to roll across this opening. I have done this in the past and used a b of 12 inches and everything...

The plate is 4 feet x 8 feet and is fully supported by beams along both 4 foot sides. Therefore, it is spanning the 4 foot direction. I know b is the width and d is the depth, that is not the question. I know 8x4 is 32, that is irrelevant. It is a point load, and I am not sure what b to use...

I have a 4x8 plate that will span 4 feet across two beams. Then a load will be applied to the mid span. When calculating the section modulus to determine Mn=FyZ, how would you determine what b should be used in Z=bd^2/4?

I have virtually an unheated metal shack. It will sit on a slab on grade with a turndown. Is is necessary for the turndown to bear below the frost depth? In my mind, only unheated bearing foundations should be below the frost depth. Even though the shack will put load on the turndown, the...

Would you need to design the plate much like a base plate with combined stresses? Or just design it as a simple span 12 inch wide beam.

If you have steel grating spanning to two beams (simple span). You then add a steel plate on top also spanning to the two beams. If you already know from the grating manufacture how much concentrated load the grating can take. How would be the best way to analyize the two combined materials...

what about overturning. Say you have a 15 ft column on a 5 ft square, 1ft deep ftg. A gravity load of 14k and lateral of 5k. Could you say e = M/P, and then sum moments about the toe to get uplift reaction. And then make sure the weight of footing and overburden soil (from the column to the...

Can anyone tell me where i can find a design procedure for a basic spread footing with both a vertical load and a moment.