Intermediate-strength connections: My <Mu <Mp

In this second case, both the semirigid connection and member inelasticity govern the behaviour of the compound element, but the limit strength is determined by the nature of the connection. Such behaviour of the compound element may occur for a flush end-plate (FEP) connection. This type of connection is referred to as an intermediate-strength connection and corresponds to a partially restrained (AISC 2001) or semirigid (CISC 2004) connection.