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Document Information
Document Type: FAQ
Product(s): LEAP RCPier
Version(s): All
Original Author: Bentley Technical Support Group -VM
QUESTION: How LBC performs a) User Shear and Torsion Design b) User Concurrent Shear and Torsion Calculation ?
ANSWER::
Currently in LBC for “Use Torsion for Shear Design “option uses maximum shear and maximum torsion even though they do not occur simultaneously for any given load combinations.
A typical case is shown below. The max Vu from the load combination #109, and the max Tu from the load combination #512 are used for the shear/torsion design at the POI 3.67’.
The design might be conservative when both effects are considerable. Therefore, the “Concurrent shear and torsion “ load effects shall be considered to avoid the conservative design