Which consequence results when excessive groundwater permeates a Roman road?

💡 Explanation

Increased roadbed heaving occurs because water expands upon freezing via ice lens formation, leading to frost heave damage. Ice lenses concentrate near the surface; therefore, the surface heaves outward, rather than forming deeper structural changes.

• Which outcome occurred when early iron crossbow triggers exceeded temperature limits?
• Which risk increased for the Inca when knotted-string quipu failed to accurately record tribute?
• Which limitation was addressed by Song Dynasty military engineering implementing granulated gunpowder rather than powder?
• Which outcome accelerated oxidation within ancient bronze cannon barrels?
• Which consequence results when the Byzantine Empire over-relied upon tribute?
• Which risk increased during longship construction when ropewalk tension wasn't consistent?