One Sided Concrete Wall Ties

Blind side and one sided forming by bruce a.

One sided concrete wall ties. Studies have shown that as much as 38 of the cost of a concrete structure is related to form labor with almost 40 of form labor to handle set strip and patch ties. The form is plumbed using jacks at the base. Drilled from the inside of the gunite 3 thick with 9 wire to the symon forms and put a doughnut on the outside. The finished product is a remarkably straight wall at a remarkably low cost.

Old concrete which as been exposed to the elements over many years may have deteriorated making the tying a real problem. The advantage of the wide tie spacing is the reduction in labor to set and strip custom built tru beam gangs. The steel dog snap coil tie is a multipurpose transition tie for job built plywood concrete forms. Manufacturers provide specialty form accessories.

There are many types of forms and ties that can be used for one sided forming. Hardware items may be purchased but most are available on a rental basis. Used tons of braces. We braced the hell out of it.

Without ties one sided wall forming can lead to bulges and blow outs. Steel dog offers the most comprehensive line of one sided and blind side forming hardware. Even on this short wall the concrete pressure was sufficient to move the form. With a button head snap tie electronically welded to a coil tie end the snap coil tie gives the user the versatility using of threaded coil rod for one sided forming long ties and other purposes while still using familiar low labor cost means of attachment to formwork.

The benefit of using this system results in dramatic labor and equipment savings. This unique approach to one sided wall forming eliminates the need for weld on ties concrete rock wood anchors or a frame supports. We stock all types of wall ties and light forming hardware commonly used in today s concrete forming industry. Tie almost any handset form system to almost any existing wall or structure.

One type of tie is threaded so that it may be welded at one end to the steel piling and bolted in place to the formwork. Symons one sided forming osf frame is strong flexible and allows concrete pressure up to 60 kn m2 1 250psf. Like 14 high i think 10 thick one sided. We did a wall once.

When forming against a preexisting foundation wall if space allows there is a possibility that two sided forms can be used. Symons one sided wall has support frames that transfer the. Waterseal ties combination coil loop ties other combination ties. However one sided wall forming without ties can often lead to bulges or blow outs.

The dis tance between the support frames is determined by the height of the wall and the concrete pressure. Here workers are removing concrete and adding braces to stop the form from moving. To solve this contractors must use either bracing or special formwork components. Wall ties light forming hardware.