What are Form ties?

What are Form ties?

Form ties (sometimes referred to as tie bolts) connect opposite faces of wall formwork to restrain the applied concrete pressures. They transmit loads in tension between stiff vertical and/or horizontal members associated with the main formwork.

What are form ties used for in concrete?

The Importance of Concrete Formwork Ties Form ties and accessories are used in concrete formwork that holds the forms of the concrete walls in place against lateral pressure. In order to achieve a uniform thickness of concrete walls, form ties are utilized to maintain equal spacing between concrete forms.

What is a Snaptie?

Snap Ties are used to vertically form concrete walls that can have a wide variety of widths and heights. This snap tie forming method is used for retaining and standard walls, batter walls, bridges, concrete signs, footings, etc. They are held in place by a Snaptie Wedge or Jahn Bracket.

What are the 2 types of formwork ties?

Form ties are majorly classified into two types and they are,

  • Continuous Single Member type.
  • Internal Disconnecting type.

What is form tie holes?

A tie-rod hole is a hole left in a concrete structure after removal of the tie rods used in the concrete formwork. After construction, these holes are typically patched using hydraulic cement or another acceptable material.

Are snap ties adjustable?

Snaps off like normal button-head snap-tie. Low cost solution for one-sided forming and adjustable-length ties. Welded to rigorous standards using computer-controlled equipment: each SC is as strong as a standard button-head snap-tie.

Where do snap ties break off?

The snap ties have indentations along each edge which allow them to be broken off after the forms are removed with the “snapped” end of the plate being slightly below the surface of the concrete.

What is a snap tie used for in concrete?

Plastic Cone Snap Ties Snap Ties are used to vertically form concrete walls that can have a wide variety of widths and heights. There are various systems you can use to create the form system you require depending on your needs. Snap ties make the installation of concrete formwork and the subsequent removal extremely easy and efficient.

What sizes do form ties come in?

Full and nominal size Aluminum Form Ties compatible with Wall-Ties, Western Forms, and Precise style concrete forming equipment. Resi Ties for 1-1/8″ Plywood or “Resi Ply” forming systems available. Compatible with Advance and Duraform-style formwork.

Are form-tie points watertight?

Form-tie points are only watertight if there is good bonding between the concrete and the jacket tubes or anchoring components left in the concrete. Doka supplies anchoring components that create an outstanding bond with the concrete.

Why choose Doka form-ties?

Form-ties keep your formwork together. Modern tying and anchoring technology from Doka also keeps a tight grip on your costs. Doka is the reliable partner to turn to when it comes to form-ties, anchors and suspension points. Rely on tying and anchoring technology and suspension cones from Doka!

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