One 4 foot shear wall directly below the 4 foot wall above and a 6 foot long shear wall.
First floor wall plate.
As the mortar does not bond the wall plate to the wall steel straps are used to ensure that the roof structure remains secure.
Getting the wall plates or top plates as they are sometimes called right is important because all the ceiling joists roof rafters hips etc.
The outside of the rim joist is flush with the stud wall beneath to ensure that the house boxing and siding will be even.
The rim joist boards typically 2 by 10s or 2 by 12s install edgewise around the perimeter of the first floor top wall plate also called the tie plate.
Lower wall plates base plate floor plate or bottom plate a second lower wall plate to which the wall studs are through nailed and which is the bottom of the wall section when assembled as a rectangular assembly.
On an upper story the lower wall plate is nailed to the platform of the supporting floor.
They are cut to the same length as the brickwork they sit on a half lap joint is great for the corners to be fixed to.
The bottom plates of these walls are actually the sill plates of the house and are anchored to the foundation with bolts.
In this case it would not be incorrect to refer to the wall s bottom plate as a sill plate.
The wall may be uneven because of floor inconsistencies but you can always sight along the top plate and then shim it until it s flat before installing the finished top cap.
Wall plates hangers and joists connecting up sign in to follow this.
For framing half walls make all of the studs the same length and cut them so the wall is slightly taller than the masonry.
Self tapping m10 coach bolts at 400mm centers architects note above to attach the wall plate to the wall.
1 knock down the whole darn house since all we are saving is less than 200 lf of exterior wall all interior walls are being removed and the roof is being taken off and existing window and door locations are all changed.
Lets say i have two shear walls along that line at the first floor.
The supporting platform is being.
I have had three thoughts on this.
The first floor walls are built on top of the slab or on short foundation walls surrounding the slab.
These are typically 1 2 m long with a cranked end and are fixed to the wall plate at 2 m centres.
In order for all the roof components to work they must be square parallel level and fixed down properly.
The key thing is that they connect with the concrete isn t it even if the 400 mm centers guidance happens to fall.
Will all be fixed to them.
The shear along the same line at the first floor is 2800 lb giving us shear along that line of 100 plf 2800lb 28 100plf.