Post Tensioned Concrete Contractors

Sdi is a nationally recognized leader in the repair alteration and strengthening of post tensioned concrete and steel 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. 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.

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Understanding Post Tensioned Concrete

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Post tensioning imparts an internal compressive force into the concrete.

Post tensioned concrete contractors.

Once the concrete has gained strength to 2000 psi typically within the 3 to 10 days recommended by pti the tendons are stressed. For the repair and modification of post tensioning pt systems as well as post tensioned concrete structure repair and protection structural technologies offers highly specialized products and services including investigation repair design support repair and replacement components corrosion protection products strengthening solutions as well as new or replacement post tensioning systems. 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. 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.

Post tensioned concrete is a term heard more and more in the construction industry today. Post tensioning tendons which are prestressing steel cables inside plastic ducts or sleeves are positioned in the forms before the concrete is placed. There are several construction issues with post tensioned concrete that are found consistently among engineers and contractors. Increased resistance to settling and or heaving ponding low spots.

Post tensioned concrete construction is a little different than standard reinforced concrete construction. A residential post tensioned concrete slab will typically be 8 inches thick and use 3000 psi concrete. Post tensioning concrete provides long term value for the following reasons. Understanding the causes of some of these problems should help contractors build better post tensioned structures.

With 20 years of experience as a post tensioning system supplier and installation contractor sdi has both the technical proficiency and practical know how to perform any repair or retrofit operation. 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. Suncoast post tension is north america s largest unbonded post tension specialist. 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.

The systems used to post tension concrete and masonry consist of prestressing steel that is housed inside a duct or sheath which allows.