A form tie contains two parts namely internal tension member and external holding device.
Concrete wall ties spacing.
Snap tie concrete forms are a simple and easy system for foundation walls.
These wall tie spacing requirements can be found in tek 3 6c for veneers and tek 16 1a for composite and noncomposite walls.
Note that truss type joint reinforcement is stiffer in the plane of a wall compared to ladder type so it is more restrictive of differential movement.
Aci 530 asce 5 tms 402 02 the empirical requirements for type size and spacing of metal ties have been reviewed and refined.
Refer to the back cover for addresses and phone numbers.
Wall thickness from 6 to 12 the spacing of the wts along the length of the form.
Long end le snap ties measure 8 1 4 at each end plus the wall thickness.
The wedge tie wt is a form tie that secures concrete forms in place while the concrete is poured.
Every snap tie includes two 1 plastic cones.
They maintain equal space between the forms which results in uniform thickness of walls.
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A form tie is an accessory used in formwork used to hold the concrete wall forms firmly against the lateral pressure of freshly placed plastic concrete.
It easily installs between form boards and accurately spaces the forms.
For different rates or pour and or other tie spacing contact masons supply.
Several models are available for varying wall thickness and types of form boards.
When properly fitted with cones or other they hold the wall forms at the proper distance to create the desired concrete wall thickness.
They are designed to resist the lateral pressure of fresh concrete on vertical forms.
End plus the wall thickness.
Take up on the c bracket allows it and 81 4 snap ties to be used on 5 8 plywood.
Function of wall ties.
The plastic cones set the wall dimension and cover the plywood hole.
Concrete form snap ties are basically tension members.
This code known as the msjc code contains requirements for most types of tie systems.
Snaptie spacing and rate placement.
Odd end oe snap ties measure 4 3 4 at one end and 8 1 4 at the other end plus the wall thickness.
The most common snap tie spacings being used with the jahn forming system are shown below.