Wood Floor Framing Design

Framing a wood garage floor.
Wood floor framing design. 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 studs rafters. This chapter uses the most current version of the asd method af pa 1997 although the load resistance factored design method lrfd is now available as an alternative af pa 1996a.
Wood construction data 1. 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. Earlier this year we were approached by an architect who we ve done work for in the past.
Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. Wooden i joists provide a good balance of strength cost and ease of installation and they are what we are using for the floor joists on the fhb house with lvls for beams and headers. To frame a floor that s 12 feet 3 7 m x 18 feet 5 5 m you would need 4 12 ft 3 7 m sill plate boards 4 18 ft 5 5 m rim joist boards and 9 18 ft 5 5 m main floor joists.
Chapter 5 design of wood framing the principal method of design for wood framed construction has historically been allowable stress design asd. Wood framing or light frame construction is the assembly of dimensional lumber or engineered wood lumber that is regularly spaced and fastened together with nails to create floor wall and roof assemblies. Details for conventional wood frame construction.
Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. The residential construction material most commonly used above grade in north america is light frame wood. Design information for tji 110 560 joists.
Structural design for residential construction cynthia chabot p e. Place at least 1 inches of a fl oor joist header girder or beam on the supporting wood or metal wall. He had drawn up a 1 3 million dollar house which he asked us to price up the icf founation framing and wood siding.