Which outcome results when poorly designed terraces overload the supporting soil, due to prolonged saturation after periods of heavy rainfall?

💡 Explanation

Soil liquefaction risk increases during extreme water saturation events because pore water pressure increases dramatically via the mechanism of effective stress reduction. Therefore, the strength of supporting soil greatly decreases, rather than uniformly distributing enhanced nutrients under normal drainage conditions.

• Which problem arose from the construction of straight Roman roads across terrain with varied soil composition?
• Which outcome resulted from hull design changes in 18th-century ships to maximize cargo capacity and stability?
• Which outcome arises in accurate medieval Islamic planispheric astrolabes if the gnomon is misaligned during solar altitude measurement?
• Which risk increases when a Roman fort's wooden palisade suffers prolonged water absorption?
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• Which outcome results when the Ahupua'a system's 'auwai' fail?