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Table 2 compares natural frequency of the frame in case of three different conditions: rigid connections, pin connections, and linear semi-rigid connections with ρ* = 0.125.
Additionally, the collapse analysis of a Vogel six-story frame showed that frames with semi-rigid connections have greater anti-collapse capacity than those with rigid connections do.
Rigid connections are considered along with variations of the spacing between the attachments.
To model the beam, column, slab and rigid connections, a cubic elasto-plastic type 3D element (cubic) was used.
One of rehabilitation cases is to retrofit rigid connections in steel moment frames by making the least changes.
Two types of substructures are examined: circular panels with hinge connections and circular ribs with rigid connections.
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The fact that simple connections do have some degree of rotational rigidity led to the developments in the semi-rigid connections.
Those connections are called semi-rigid connections.
Boltless semi-rigid connections are used in the storage industry.
Since the inception of semi-rigid connections in steel structural analysis and design, several mathematical models of representing moment rotation behaviour of semi-rigid connections have been proposed.
Semi-rigid connections are a class of connections that fall between the rigid and flexible connections.
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