Aci 530 asce 5 tms 402 02 the empirical requirements for type size and spacing of metal ties have been reviewed and refined.
Concrete wall ties spacing.
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It easily installs between form boards and accurately spaces the forms.
The wedge tie wt is a form tie that secures concrete forms in place while the concrete is poured.
Concrete form snap ties are basically tension members.
Snap tie concrete forms are a simple and easy system for foundation walls.
Function of wall ties.
Odd end oe snap ties measure 4 3 4 at one end and 8 1 4 at the other end plus the wall thickness.
They are designed to resist the lateral pressure of fresh concrete on vertical forms.
This code known as the msjc code contains requirements for most types of tie systems.
The most common snap tie spacings being used with the jahn forming system are shown below.
Wall thickness 6 or more or a 1 thick 2x4 plate under one side for any wall 12 or thicker are within the 1 8 angle proportion.
For different rates or pour and or other tie spacing contact masons supply.
Wall thickness from 6 to 12 the spacing of the wts along the length of the form.
The plastic cones set the wall dimension and cover the plywood hole.
Every snap tie includes two 1 plastic cones.
A form tie contains two parts namely internal tension member and external holding device.
They maintain equal space between the forms which results in uniform thickness of walls.
When properly fitted with cones or other they hold the wall forms at the proper distance to create the desired concrete wall thickness.
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.
Snaptie spacing and rate placement.
Ties at 1 o c.
Lateral swing of panel tie vertical swing of panel tie vertical swing of flat tie tie spacings tie spacings walls 8 tall or less tie spacings walls taller than 8 6 000 lb ultimate tie capacity note.
Several models are available for varying wall thickness and types of form boards.
Take up on the c bracket allows it and 81 4 snap ties to be used on 5 8 plywood.
Long end le snap ties measure 8 1 4 at each end plus the wall thickness.
Refer to the back cover for addresses and phone numbers.