Alternative techniques

Concrete parking lots aren't just standard concrete anymore. Some innovative people have come up with some variations:


Pervious, Ultrathin whitetopping, Roller-compacted concrete

Pervious concrete: Concrete that drains is all the rage because of its environmental advantages. Get more information on pervious parking lots.
Whitetopping: Placing a thin layer of concrete over a deteriorated asphalt pavement is only fair, since the asphalt guys are always putting asphalt on top of concrete. This has been done very successfully, typically called ultrathin whitetopping (or UTW). A 3- to 4-inch-thick layer is placed over a milled asphalt surface. Joints are cut on a 3- to 4-foot grid.
Roller compacted concrete: RCC is a great option for heavy duty pavements, such as truck parking lots, container shipping areas, and military vehicle storage. For RCC a zero-slump concrete is placed with dump trucks and rolled with heavy vibrating steel rollers. These road surfaces are only for low speed traffic and base courses. Learn more about roller compacted concrete.

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