Triple Joist Timber Floor Plan

T ypes of floors 1.

Triple joist timber floor plan.

The widest span in the floor joist span table in part 2 of this tutorial module showed that floor joists can span 17 2 if they are 2 x 12s spaced 12 o c. Double joist timber beam. Single joist timber beam. Single joist timber floors.

Let s expand our house beyond that 17 2 span capability to 24 feet wide. Framed triple joist timber floor. Framed or triple joists timber floors. Off of this are two triple joists each 150x150 at right angles from above forming an l shape with the timber post in the corner.

The will butt against the timber post not sit on top of it. This is the simplest type of timber floor used for residential buildings where spans are short or moderate say up to 4 m and loads are comparatively lighter. T imber flooring basement or ground floor of timber. The floor joist spacing is the distance between the centers of any two installed joists.

See the image below for an example of joists spaced 16 on center 16 o c. Given that the depth of the post is the same as the width of the triple joist i can t see that hangers can be used. The floor consists of wooden joists also called bridging joists spaced 30 to 40 cm apart and supported on end walls. Ce 200 details of construction.

Since the example house we are designing for is 12 feet wide we need to find in the floor joist span table a joist size and centering that can span 12 or wider.