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Post-tensioning is a highly efficient
structural system that has been used in the design of buildings and parking
structures for over 50 years. The efficiency stems from being able to use high
strength materials, to structurally utilize the entire cross section, to vary
the force and location of the reinforcing to best resist applied loads, and to
control the timing of when the prestressing force is applied to the structure.
The presentation will focus on design issues particular to post-tensioned structures. It will highlight some of the advantages and limitations of post-tensioned concrete as compared to reinforced concrete and structural steel construction. Common floor systems used in buildings and parking garages will be explored. Rules of thumb for efficient design of post-tensioned structures will be presented. Particular code requirements for the design of unbonded post-tensioned structures will be presented.
The seminar is intended for engineers with some experience in the design and construction of reinforced and post-tensioned concrete structures.