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Extended Question: During staged construction, when tendons are modeled as loads, must load be it appears that loads applied to the tendons which are grouped using the group ALL feature? Load are correctly transferred to the model only when the loads are applied to group ALL. The load does not seem to transfer get transferred to the structure when it is applied to individual tendons or tendons within the standard group.user-defined groups containing the tendons. Could you clarify what causes this behavior?

Answer: When tendons are modeled as loads, tendons do not exist within the model as objects (joints, frames, shells, solids, etc.). As a result, load must be applied to groups which contain these entities to be loaded by the tendon. The group ALL feature is useful for this purpose.

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  1. Model tendons as objects.
  2. Determine which objects will be loaded by stressed tendons, then create groups to control loading.
  3. Apply tendon loads in separate load patterns which are created for each construction stage. Then for a given stage, apply these load patterns to objects within group ALL.


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Related Incidents:

  • Incident 42284: Application of load for tendons modeled as elements in staged construction