Which outcome results when ancient Roman road construction on unstable ground failed to adequately displace mire?

💡 Explanation

When mire isn't properly removed or stabilized, the road's weight consolidates the underlying compressible soil, causing long-term settlement and continual compaction. Therefore secondary consolidation occurs rather than frost heave, lateral spreading, or liquefaction which require freeze-thaw cycles, significant gradients, and seismic activity, respectively.

• Which risk increases when a wooden sailing ship experiences prolonged exposure to marine borers in warm waters?
• Which risk increases when a wooden ship hull is constructed using unseasoned timber in 18th century?
• Which mechanism limited Roman road construction speed during winter months despite readily available materials?
• Which degradation accelerates on Roman roads traversing regions with high groundwater tables?
• Which effect limited the accuracy of medieval brass astrolabes during daytime observation of stars?
• Which effect critically limited the sustainable height of pre-Columbian Andean agricultural terraces?