The development of new, modem geosynthetic combinations increases the ease and the security in which engineers can design and construct coastal, canal and river works. Such combinations enable geotextile filters, for example, to be installed in deep moving waters without the necessity to place the cover material at the same time. This allows proper inspection of the filter before the cover layer is installed. The special combination of fabrics and mineral ballast needle punched together has been used successfully in several European sites.
Recently specially selected” geotextiles have been made into highly robust and durable soil containers to prevent the scouring activity around underwater structures. This has proven to be an economical and reliable method to solve related engineering problems. This paper discusses these special combinations and applications, some of the design factors for their use and selection a.ad describes some of the sites where such combinations have been used.
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