CSI Software calculates prestress loss according to the friction and anchorage loss parameters specified. Losses from elastic shortening and long-term effects, including creep, shrinkage, and relaxation, are computed for tendons which are modeled as objects, and may be specified for those modeled as loads.
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Overview
The prestress losses which may be accounted for within SAP2000 include the following:
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- P = frictional loss as a change in force per unit length, calculated from a tendon-force variation diagram
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Elastic shortening
Losses from elastic shortening are automatically computed for tendons which are modeled as objects.
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