A set of columns supporting a transverse member describes which structural configuration?

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Multiple Choice

A set of columns supporting a transverse member describes which structural configuration?

Explanation:
When a set of vertical columns is connected by a horizontal member in a way that the joints resist bending moments, the assembly acts as a single, continuous stiff framework. This moment-resisting action makes the group behave like a rigid frame: lateral loads and bending are carried through bending moments distributed along both the columns and the transverse member, providing stiffness and stability. The other ideas describe different concepts—the term rib refers to slender stiffeners or curved elements in shell-like or roof systems, redundancy is about having multiple load paths, and reinforced earth relates to soil-structure interaction. So the described configuration is a rigid frame.

When a set of vertical columns is connected by a horizontal member in a way that the joints resist bending moments, the assembly acts as a single, continuous stiff framework. This moment-resisting action makes the group behave like a rigid frame: lateral loads and bending are carried through bending moments distributed along both the columns and the transverse member, providing stiffness and stability. The other ideas describe different concepts—the term rib refers to slender stiffeners or curved elements in shell-like or roof systems, redundancy is about having multiple load paths, and reinforced earth relates to soil-structure interaction. So the described configuration is a rigid frame.

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