Aberdeen Beach
To protect the revetment and area around the beach from continued erosion and failure, the strategy study recommended a programme of beach recharge. This programme, whilst protecting property and infrastructure, will also provide an enhanced beach for recreational use. To ensure the stability of the new beach and to protect the area from further erosion, 'control structures' will be needed to keep the sand in place. Computer modelling of the coastline, experience gained from elsewhere, and an economic analysis of the cost of the options, indicated that rock t-head extensions to the present timber groynes are the best option for this. The rock t-head groynes will be placed at the end of five of the timber groynes, three will be complete structures, whilst two will be half the size creating an L-shape. They will slow the rate of erosion in the affected area by reducing the wave energy that reaches the beach. Although they are generally referred to as T-head groynes, their shape is more associated with a ‘Y’ shape. Additional sand will be placed between groynes 7 and 11 opposite the Queens Links. The beach crest will cover the present concrete capping beam on the existing seawall. The beach level will extend seaward at that level for a short distance, before gently sloping seaward section to the end of the timber groynes. This means that the top part of the beach on this section will stay dry during all states of the tide. At present, the beach is completely covered above about mid-tide. Although it will depend on beach levels at the time, it is anticipated that approximately 70,000m3 of sand will be needed. The beach will be 'topped-up' in future, as predictions suggest that sand will still be lost from the beach over time
Size: 5380px × 3573px
Location: Aberdeen, Grampian Region. Scotland. United Kingdom
Photo credit: © David Gowans / Alamy / Afripics
License: Licensed
Model Released: No
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