The beam size request refers to the minimum size of beam required between two posts with a span of 12 feet that would carry half of the total weight of 22,500 lbs. There joist size refers to the minimum size joist required to carry the same load that are 16 inch OC. The angle iron minimum size refers to the minimum size of angle iron required to support the other end of the load of 22,500 lbs.
The load is 4 inches of concrete on top of a plywood base on the joist structure
It is one question with three parts. What are the structural requirements for this problem. I want to build a deck. It will have joists that go from a concrete wall to a beam that is on two posts. The posts are 12 feet apart. what size is the minimum required to to carry half the total load of 22, 500.
What are the minimum size of joists that are spanning 8 feet from concrete wall to beam between posts. What are the minumum size of a piece of angle iron bolted onto the concrete wall.
The load is 4 inches of concrete on top of a plywood base on the joist structure, 8' x 15 = 120 square feet. Added 30 square feet for triangles at ends of rectangle, times 150 lbs per square foot.
I have signed up for the unlimited questions if these are outside the one question issue
is an answer forthcoming or is this it?
that is the weight of 4" of one square foot of concrete (450 lbs per cubic foot)
live load would be typical for a deck, but it is 150 psf for the dead load
ok, that is not what i thought, lets go with 50 psf,
It is a residential deck
I was looking for wood sizes first, steel second
of course, the angle iron would have to be steel
will do, thanx