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.
Post tension concrete contractors.
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.
A residential post tensioned concrete slab will typically be 8 inches thick and use 3000 psi concrete.
The blue book features over 1 000 000 company listings in bluebook and csi industry catagories including concrete post tensioning.
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.
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 blue book building and construction network is the industry s leading source of regional categorized concrete post tensioning information.
Sdi is a nationally recognized leader in the repair alteration and strengthening of post tensioned concrete and steel structures.
This hybridisation helps achieve the formation of a much thinner slab with a longer span devoid of any column free spaces.
In this article we study about the working.
Post tensioning tendons which are prestressing steel cables inside plastic ducts or sleeves are positioned in the forms before the concrete is placed.
Post tension slab is a combination of conventional slab reinforcement and additional protruding high strength steel tendons which are consequently subjected to tension after the concrete has set.
Suncoast post tension is north america s largest unbonded post tension specialist.
Once the concrete has gained strength to 2000 psi typically within the 3 to 10 days recommended by pti the tendons are stressed.
Post tensioned concrete is a term heard more and more in the construction industry today.
