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Journal of the South African Institution of Civil Engineering

versão On-line ISSN 2309-8775

Resumo

CORBELLA, S  e  STRETCH, D D. Coastal defences on the KwaZulu-Natal coast of South Africa: a review with particular reference to geotextiles. J. S. Afr. Inst. Civ. Eng. [online]. 2012, vol.54, n.2, pp. 55-64. ISSN 2309-8775.

Modern coastal defences have to satisfy economic, environmental and sustainability criteria. The balancing of these criteria can make the implementation of coastal defences socially, environmentally and politically complicated. Durban's local authority, the eThekwini Municipality, has had experience with numerous forms of coastal defences in its attempts to balance the operations of a port and associated beach erosion problems. In March 2007 the KwaZulu-Natal coastline suffered severe damage from an extreme storm event which necessitated the installation of additional coastal defences. This paper evaluates Durban's experiences of coastal defences, and details the successes and failures to provide practical insight to those faced with similar circumstances or considering the implementation of coastal defences.

Palavras-chave : coastal defences; geotextiles; groynes; beach nourishment; KwaZulu-Natal coast.

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