Cliff stabilization: Difference between revisions
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{{Short description|Soil conservation technique}} |
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'''Cliff stabilization''' is a [[coastal management]] technique |
'''Cliff stabilization''' is a [[coastal management]] [[erosion]] control technique. This is most suitable for softer or less stable cliffs. Generally speaking, the cliffs are stabilised through [[dewatering]] (drainage of excess rainwater to reduce water-logging) or [[anchoring]] (the use of terracing, planting, wiring or concrete supports to hold cliffs in place). |
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== |
==External links== |
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* [https://web.archive.org/web/20070503213915/http://www.canterbury.gov.uk/cgi-bin/buildpage.pl?mysql=704 Management of Coastal Erosion] - Canterbury City Council |
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[[Image:cliffstab1.jpg|right|thumb|400px]] |
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*[https://web.archive.org/web/20010205102400/http://can-sa.com/ CAN - Rope access works - Protection from natural and industrial hazards] |
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This erosion control technique is most suitable for softer or less stable cliffs. Generally speaking, the cliffs are stabilised through [[dewatering]] or [[anchoring]] or a mixture of the two. |
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Reducing ground water pressure is possibly the single most important factor in improving slope stability. Engineers attempt to stop rain from soaking into the ground by means of shallow drainage (porous pipes, rubble filled channels etc.) which lead the water away from vulnerable areas. |
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{{civil-engineering-stub}} |
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{{coastal management}} |
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[[Category:Coastal engineering]] |
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[[Category:Coastal erosion]] |
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[[Category:Geotechnical shoring structures]] |
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[[Image:cliffstab2.jpg|right|thumb|400px]] |
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Alternatively, adding weight to the base of a coastal slope can improve stability. Anything will do to provide the weight but because the toe of the slip is in the sea it is obviously best to use something that will not be affected by storm action so large rocks are usually used. Of course it doesn’t have to be rocks which can be used as toe weighting. A substantial beach of shingle or of sand is not only good as an amenity it also acts as a counterweight to hold a cliff in position. The problem is that if the beach is lost and not replenished then there is a danger that slips will take place because of the loss of support. |
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Latest revision as of 16:33, 4 September 2023
Cliff stabilization is a coastal management erosion control technique. This is most suitable for softer or less stable cliffs. Generally speaking, the cliffs are stabilised through dewatering (drainage of excess rainwater to reduce water-logging) or anchoring (the use of terracing, planting, wiring or concrete supports to hold cliffs in place).
External links[edit]
- Management of Coastal Erosion - Canterbury City Council
- CAN - Rope access works - Protection from natural and industrial hazards
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