Post tensioning tendons which are prestressing steel cables inside plastic ducts or sleeves are positioned in the forms before the concrete is placed.
Post tensioned concrete contractors.
Post tensioning imparts an internal compressive force into the concrete.
Post tensioned concrete is becoming very popular for new construction and rebuilding of existing tennis courts where access can be tough to get to with new construction equipment.
Increased resistance to settling and or heaving ponding low spots.
Afterwards once the concrete has gained strength but before the service loads are applied the cables are pulled tight or tensioned and anchored against the outer edges of the concrete.
Post tensioned concrete is a term heard more and more in the construction industry today.
A residential post tensioned concrete slab will typically be 8 inches thick and use 3000 psi concrete.
Post tensioned concrete construction is a little different than standard reinforced concrete construction.
Suncoast post tension is north america s largest unbonded post tension specialist.
Post tensioning is done at a project site and requires little to no modifications of the same forming system that would be used to construct non prestressed concrete.
Once the concrete has gained strength to 2000 psi typically within the 3 to 10 days recommended by pti the tendons are stressed.
This method of reinforcing concrete enables a designer to take advantage of the considerable benefits provided by prestressed concrete while retaining the flexibility afforded by the cast in place method of building concrete structures.
This increases resistance to deflections and cracking caused by expansive soil problems such as lift shrinkage or swelling due to temperature or moisture changes.
Sdi is a nationally recognized leader in the repair alteration and strengthening of post tensioned concrete and steel structures.
Post tensioning concrete provides long term value for the following reasons.
We are dedicated to providing the construction industry with engineering expertise responsive service and manufacturing excellence to ensure safe timely and cost effective installations restorations and repairs.
The systems used to post tension concrete and masonry consist of prestressing steel that is housed inside a duct or sheath which allows.
There are several construction issues with post tensioned concrete that are found consistently among engineers and contractors.