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← HistoryWhich risk sharply increased when the Assyrians started using bronze reinforcement bands in ziggurat construction?
A)Accelerated erosion from thermal expansion✓
B)Reduced stone block binding strength
C)Increased susceptibility to mortar cracking
D)Enhanced resistance to seismic events
💡 Explanation
Accelerated erosion occurs because differential thermal expansion between bronze and the clay brick caused stress concentrations and spalling. This delamination creates pores thereby easing the process of wind erosion, therefore the integrity of ziggurats was at greater rather than lesser at risk.
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