Tendon Prestress Loads

Define the prestress loads to be applied to the selected tendons.

From the Main Menu select Load > Prestress Loads > Tendon Prestress Loads

Select Static Loads > Prestress Loads > Tendon Prestress Loads in the Menu tab of the Tree Menu

Load Case Name

Select a load case. Click to the right to add new or modify/delete previously defined Static Load Cases.

Load Group Name

Assign a load group in which the tendon prestress load is to be included. Click to the right to add new or modify/delete previously defined Load Groups.

Select Tendon for Loading

Select the tendons to be applied with the prestress load. Multi-select the relevant tendons from the tendon list with the mouse and click . To delete the selected tendons click .

Stress Value

Specify the magnitude of the tendon prestress.

The prestressing location(s) may be either or both the beginning or/and end of the tendons.

Stress: input in stress unit

Force: input in force unit

1st Jacking
When both ends are stressed, specify which end is stressed first.

Begin: Jacking Force at the beginning of the tendons

End: Jacking Force at the end of the tendons

Both: Jacking Force at both ends of the tendons

Note

In case of Pre-tension load type, the 1st Jacking option of Tendon Prestress Loads will not apply. Therefore, analysis results will not be affected whichever is selected

Grouting: after n stage

Define the stage at which the tendons are grouted in the ducts (sheathes). The grouting stage determines the timing of using the transformed section with the grouted tendons.

Click to include the selected tendons with prestressing loads in the tendon list. To the prestressing data, select a tendon, change the data and click Modify. After selecting unwanted tendons, click to eliminate the tendons form the list.