Question

# You must design the joists for an elevated concrete slab using 3x8 lumber. If the joist spacing is 4 ft. and the

weight load is 140 lb./ft., what should the stringer spacing be given the following information?

Fb = 1,200 psi

Fv = 150 psi

E = 1.2 x 106 psi

Δ

= e/180 max.

(Assume two (2)-span support conditions)

### Recently Asked Questions

- Make a reasonable argument why fuel efficiency is not a function

- the outside of a picture frame measures 12ft. by 20ft long. The inside of the picture frame is to be spaced equally from the outside of the picture frame. The

- The price of a new car is $22500. To purchase this car, a down-payment of $6750 is required. What percent is this of the regular price?