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Structuralaka: rigid connectionaka: fixed connection

Moment Connection

In Plain English

A rigid joint between a beam and column that prevents rotation and transfers bending forces between members.

Definition

A rigid structural joint between a beam and column—or between other members—that transfers both shear forces and bending moments. Moment connections prevent rotation at the joint, allowing the connected members to work together as a rigid frame. They are more complex and costly than simple shear connections but are essential for moment frames resisting lateral loads.

Example

The moment connection at the column face uses end plates and high-strength bolts to develop the full plastic moment capacity of the beam.

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