Which outcome occurs if a Roman fort's timber gate towers settle unevenly?

💡 Explanation

Gate jamming occurs because differential settling induces FRAME DISTORTION, misaligning the gate mechanism. Therefore, the gate cannot close, rather than the stone separating, as the wood shifts more readily than the masonry.

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• Which consequence resulted when early Aztec terrace-farming over-intensified?
• Which risk increases when inadequately fired brick undergoes freeze-thaw cycles?
• Which structural failure increases when medieval masonry arches experience frost?
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