路面垫层专业英语怎么说
Road Base Layer
The term road base layer in professional English refers to the layer of material placed under the surface of a road to provide stability and support. This layer is essential for distributing the weight of vehicles over a larger area, preventing the road from sinking or settling. The base layer is typically made of compacted materials such as gravel, crushed stone, or recycled asphalt. It serves as a foundation for the subgrade, which is the soil or sub-soil beneath the road, and helps to maintain the structural integrity of the road surface. This layer is crucial for ensuring the longevity and performance of the road, as it helps to absorb and distribute the forces exerted by traffic, thereby protecting the underlying layers from damage.
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