Depth Of Residential Floor Truss Spanning 25 0

Live load 30 lbs ft 2 1436 n m 2.

Depth of residential floor truss spanning 25 0.

Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. 1 psf lb f ft 2 47 88 n m 2. Geometry loading spacing bearing conditions etc. 4 spans are clear.

Tcll 40 psf tcll 80 psf tcll 125 psf truss spacing truss spacing truss spacing. 2 strongback bracing is not considered. Alpine truss designs are engineered to meet specific span configuration and load conditions. Span tables below illustrate common combinations of the multiple variables available.

1 bearing size varies and is determined by loading conditions truss span and truss spacing. Dead load weight of structure and fixed loads 10 lbs ft 2. This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. 1 in 25 4 mm.

1 ft 0 3048 m. Live load is weight of furniture wind snow and more. Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 30 snow 40 20 snow 1 25 20. Maximum floor joist span for no.

The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers. 3 assumes composite action with a single layer of 3 4 wood sheathing glued and nailed or screwed. True floor joist span calculations can only be made by a structural engineer or contractor. Clear spans shown on this chart are presented under the following conditions.