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When the user defines a new beam in his/her model, he/she may specify the type of the beam. The type is of no importance as far as determination of internal forces and stresses is in question. However, once the user starts with detailing and wants to design a connection of two or more beams, the parameter Type comes into effect. Each type is associated with a specific priority. The priority controls the way two beams are connected to each other.
It can be simply said that the type specifies priorities of individual beams, in other words which beam is the "master" and which one only the "slave", which determines the detailed geometry of the connection.
Let’s demonstrate the said on a simple example. Let’s assume a connection of two beams: vertical one and horizontal one. There are three possible configurations of such a detail.
vertical beam |
horizontal beam |
connection |
type = column priority = 100 |
type = beam priority = 80 |
knee connection |
type = beam priority = 80 |
type = column priority = 100 |
knee connection |
type = beam priority = 80 |
type = beam priority = 80 |
plate to plate connection |