Structural Wood Floor Framing Plan

As discussed in chapter 1 the residential construction material most commonly used above grade in the united states is light frame wood.

Structural wood floor framing plan.

Therefore this chapter focuses on structural design that specifies standard. Structural assemblies such as the roof floors and walls are generally constructed with nominal 50 8 mm 2 inch lumber members ranging in nominal depths from 101 6 to 304 8 mm 4 12 inches and sheathed with structural wood panels for stability and. Live load s are produced by the use and the occupancy of the building e g. Rafters are shown in the same manner as joists.

Our 24 x 26 house floor framing floor beams and posts would now look like the image below. Before you begin cutting or measuring grab a pencil and paper and sketch an outline of your floor. The first approach to achieving a strong durable struc ture involving economical use of materials is to follow a basic modular plan for layout and attachment of framing members. Department of housing and urban development s residential structural design guide.

Wood construction data 1. If built up wood posts are being used the width of the post needs to be as wide as the beam that it is supporting. Fixed and considered permanent. Figure 10 20 is an example of a roof framing plan for a wood frame roof.

Designing with wood joist span tables. Your sketch should depict the floor s basic shape and layout complete with any additional features like alcoves nooks and staircases. Extremely long spans staircases or interior walls typically require additional support which can complicate your framing. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s.

Some newer homes have manufactured i beam shaped joists. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. Structural loads a dead load is the actual weight of the materials used in the construction of the house e g. A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals.

Such methods use a 4 foot design module which governs a 16 inch spacing of joists. Draw up a basic floor framing plan. The roof framing plan is drawn in the same manner as the floor framing plan. The prevailing system used for the construction of single family homes in the usa is platform framing using light wooden dimensional lumber.

Design of wood framing 5 1 general this chapter addresses elements of above grade structural systems in residential construction. At this point we ll focus on traditional wood framing for an example house in the next part of residential structural design. Details for conventional wood frame construction.