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  2. Limestone pavement - Wikipedia

    en.wikipedia.org/wiki/Limestone_pavement

    A limestone pavement is a natural karst landform consisting of a flat, incised surface of exposed limestone that resembles an artificial pavement. [1] The term is mainly used in the UK and Ireland, where many of these landforms have developed distinctive surface patterning resembling paving blocks. [2] Similar landforms in other parts of the ...

  3. Limestone - Wikipedia

    en.wikipedia.org/wiki/Limestone

    Limestone is partially soluble, especially in acid, and therefore forms many erosional landforms. These include limestone pavements, pot holes, cenotes, caves and gorges. Such erosion landscapes are known as karsts. Limestone is less resistant to erosion than most igneous rocks, but more resistant than most other sedimentary rocks.

  4. Road surface - Wikipedia

    en.wikipedia.org/wiki/Road_surface

    A road being resurfaced using a road roller. Red surfacing for a bicycle lane in the Netherlands. Construction crew laying down asphalt over fiber-optic trench, in New York City. A road surface ( British English) or pavement ( North American English) is the durable surface material laid down on an area intended to sustain vehicular or foot ...

  5. Permeable paving - Wikipedia

    en.wikipedia.org/wiki/Permeable_paving

    Permeable paving. Permeable paving surfaces are made of either a porous material that enables stormwater to flow through it or nonporous blocks spaced so that water can flow between the gaps. Permeable paving can also include a variety of surfacing techniques for roads, parking lots, and pedestrian walkways. Permeable pavement surfaces may be ...

  6. Karst - Wikipedia

    en.wikipedia.org/wiki/Karst

    Karst. Lijiang fengcong (cone karst) in Guilin as part of the South China Karst. Karst ( / kɑːrst /) is a topography formed from the dissolution of soluble carbonate rocks such as limestone, dolomite, and gypsum. It is characterized by features like poljes above and drainage systems with sinkholes and caves underground.

  7. Construction aggregate - Wikipedia

    en.wikipedia.org/wiki/Construction_aggregate

    Construction aggregate. Construction aggregate, or simply aggregate, is a broad category of coarse- to medium-grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are the most mined materials in the world.

  8. Bitumen - Wikipedia

    en.wikipedia.org/wiki/Bitumen

    Bitumen ( UK: / ˈbɪtʃʊmɪn / BITCH-uu-min, US: / bɪˈtjuːmɪn, baɪ -/ bih-TEW-min, by-) [1] is an immensely viscous constituent of petroleum. Depending on its exact composition it can be a sticky, black liquid or an apparently solid mass that behaves as a liquid over very large time scales.

  9. Glossary of landforms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_landforms

    Limestone pavement – Natural karst landform consisting of a flat, incised surface of exposed limestone. Mesa – Elevated area of land with a flat top and sides, usually much wider than buttes. Mushroom rock – Naturally occurring rock whose shape resembles a mushroom. Natural arch – Arch-shaped natural rock formation.

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