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Constraints and methods of refurbishment measures for dikes
RONALD HASELSTEINER & THEODOR STROBL
Institute of Hydraulic and Water Resources Management, Technische Universität München, Arcisstraße 21, D-80290 Munich, Germany
Abstract This article clearly and briefly summarizes current requirements and technical methods for dike refurbishment measures. It is based upon a research and development project lasting two and a half years, which broadly examined the topic “Refurbishment of Flood Protection Dikes”. The engineer’s task is to choose the most appropriate method of refurbishing for adapting dikes to comply with national technical standards, taking into consideration the dominant constraints. Standards such as those described in DIN 19712 (1997) provide a degree of protection dependent on the potential for damage within the flood plain. Dikes in Germany are usually designed to support water levels in excess of the design water level up to crest level. Constraints include not only technical challenges relating to existing older dikes, such as, monitoring and maintenance, but also environmental, landscape and townscape issues as well as being subject to public law.
Key words dike; geosynthetics; levee; refurbishment; sealing