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.

• Which outcome arises when inconsistent mortar mixing in Roman aqueducts allows cracks?
• Which risk was amplified in ancient Mesopotamia when arsenic impurities diffused intergranularly within cast bronze tools?
• Which outcome primarily motivated historical terrace construction alongside steep slopes?
• Which consequence faces astronomical measurements using a medieval astrolabe under significant thermal expansion?
• Which consequence results when extended irrigation using qanats introduces salts?
• During the Han dynasty, what occurs when iron crossbow triggers suffer repeated stress?