Which risk increases during Roman road construction using the Appian Way technique during heavy rainfall?

💡 Explanation

Increased rainfall would raise pressure within the soil due to increased pore water pressure, therefore causing road subsidence because it weakens the subgrade, causing collapse, rather than surface oxidation or thermal stress to pavers.

• Which outcome occurs when heavy rainfall saturates poorly compacted fill within a pre-Columbian agricultural terrace system?
• Which property change occurred when ancient Chinese artisans incorporated charcoal into iron smelting?
• Which maintenance activity reverses spalling during restoration of Mughal pietra dura?
• Which critical consequence arises when the Mughal garden's qanat water distribution system experiences sedimentation?
• Which consequence results when high phosphorus content affects early Chinese cast iron?
• Which drawback occurred when Chinese foundries started over-oxidizing iron to produce 'wrought iron' implements around the 2nd century BCE?