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← HistoryWhich structural consequence arises from poorly mortared stepped masonry?
A)Increased thermal expansion stress
B)Reduced tensile strength capacity✓
C)Accelerated seismic wave resonance
D)Enhanced frictional damping efficiency
💡 Explanation
Reduced tensile strength results from weak mortar because load transfer between blocks relies on cohesive bonding. Therefore, stones shift under stress rather than maintaining structural integrity, leading to collapse because the masonry's tensile capacity is lessened.
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