Posted by Christiaan Davel5 days ago
Profis Standoff Design
When designing a stand-off connection with grouting in PROFIS Engineering, should the rotational restraint factor αm = 2.0 always be selected, or does this depend on the restraint provided by the base plate and anchor configuration?
1 Reply
Posted by baralar4 days ago
No. The selection of αm depends on whether rotation of the base plate is restrained:
• αm = 2.0 may be used where rotation is adequately restrained.
• αm = 1.0 applies where the connection is free to rotate.
The presence of grout alone does not automatically justify αm = 2.0. Where sufficient rotational restraint cannot be confirmed, the more conservative value of αm = 1.0 should be considered. The final selection remains the responsibility of the design engineer.