Road ruts are surface symptoms of deep structural failures
In short: Why do roads develop permanent grooves where tires travel? This video explains how repeated traffic loads deform everything from the asphalt to the soil beneath, revealing why a simple resurfacing often fails to fix the underlying problem.
Road ruts are caused by permanent deformation resulting from millions of vehicle passes. The damage is not just on the surface; it involves a complex interaction between the asphalt, crushed stone, and the supporting soil structure.
Heavy trucks play a significant role in this process. Because rutting can originate in deeper layers rather than just the top pavement, adding new asphalt may not solve the issue if the underlying road structure remains compromised. The grooves serve as visual clues to what is happening deep underground.
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Sources
- Summary by Intellect · source: How Do Roads Develop Deep Tire Grooves
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