File:Double Dyke - geograph.org.uk - 419325.jpg
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Size of this preview: 397 × 599 pixels. Other resolutions: 159 × 240 pixels | 424 × 640 pixels.
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| Description |
English: Double Dyke Cross section of a double dyke. Dykes were/are used as means of making good use of stone cleared from the fields and come in many forms. This a double dyke so called because it made with two walls tapering to the top where it is topped off with a coping stone. The gap between the two walls is filled with smaller rubble.
Double dykes come in two forms, drystone and cemented. This one is typical of this area and is a cemented dyke. This allows for taller thinner walls to be built with less stone but at a cost. Additional materials ie. sand and cement or lime have to be carried up to the site and so add to the cost. In addition where as a drystone dyke will accept some soil movement because it can flex, a cement dyke is rigid and cracks and allows water into the interior which can't escape so easily. Continued soil movement and weathering further weaken the wall until eventually it collapses as is the case here. |
| Date | |
| Source | From geograph.org.uk |
| Author | Jim Bain |
| Attribution (required by the license) | Jim Bain / Double Dyke / |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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| Object location | | View this and other nearby images on: OpenStreetMap | |
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Licensing[edit]
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Jim Bain and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: Jim Bain
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:49, 4 February 2011 | | 424 × 640 (69 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Double Dyke Cross section of a double dyke. Dykes were/are used as means of making good use of stone cleared from the fields and come in many forms. This a double dyke so called because it made with |
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