tiepäällysteet
Tiepäällysteet, commonly known as road surfacing or pavement, refers to the uppermost layer of a road designed to withstand traffic loads and provide a smooth surface for vehicles. These materials are crucial for the functionality and longevity of transportation infrastructure. The primary purpose of tiepäällysteet is to distribute the load from vehicles to the underlying road structure, protecting the base and sub-base layers from damage.
Various materials are used for tiepäällysteet, with asphalt concrete and Portland cement concrete being the most
Other types of tiepäällysteet exist, including chip seal, which involves applying a layer of hot asphalt followed