|Special repair underwater and repair of a coastal concrete structure in a tidal area|
de Graaf, F.F.M. (1986). Special repair underwater and repair of a coastal concrete structure in a tidal area. [S.n.]: London. 11 pp.
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In this paper special aspects of underwater repair of concrete and, in particular, the execution of repair of some damage to a coastal structure in a tidal area will be considered. It concerns damage of a few of piers of the storm surge barrier in the Eastern Scheld in the Delta area. Firstly the general aspects of underwater repair will be considered. Further a description will be given of the investigations and tests that have been done to obtain the desired quality. The results have been converted into practical application for mentioned damage. An explanation will also be given of the construction methods and auxiliaries that were necessary for executing the required repair in the existing hydraulic conditions. Lastly a description will be given of the investigations that have been made to find out in waht way the repair should be executed in order to obtain optimum efficienty, safety and quality.