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← HistoryWhich consequence occurs due to incorrect stone alignment during Roman arch construction?
A)Accelerated keystone crack propagation✓
B)Decreased thermal expansion coefficient
C)Improved acoustic resonance stability
D)Enhanced mortar compressive strength
💡 Explanation
Incorrect stone alignment causes concentrated stress, leading to accelerated keystone crack propagation via stress concentration. This occurs because the load is not evenly distributed; therefore, weaker points weaken before strengthening of compressive strength occurs, rather than enhancing acoustic properties or changing materials.
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