Abstract
In recent decades, the increase in population on the coast, growth of erosion in many coastal stretches and the sea level rise, due to climate change, have led governments to invest more in protecting the coast. Geosystems have been shown as an alternative to conventional coastal structures because of cost reduction, efficiency of construction and speed of implementation. However this alternative leads to increase knowledge in their behavior, design and durability by the lack of suitable materials to withstand large storms, high diversity of non-standard methods or techniques and ease of degradation by vandalism.
Highlights
Geotextile-encapsulated sand elements are three-dimensional systems manufactured from geotextile materials filled with sand.They form a sub-group part of a wider system of geosynthetic solutions for erosion control which are known as Geosystems.There are three different types of elements, namely geotextile bags, geotextile tubes and geotextile containers.These elements are used in coastal engineering structures such as groins and breakwaters as an alternative to rubble mound quarry stone e.g. as core material
Seawalls made of geotextile bags or geotextile tubes filled with sand have basically two differences between revetments structures made with the same elements, one of them is the slope of the structure, close to the vertical, and the other one is that must bear the earth pressure
One advantage of geotextile bags is that can be installed at shallow water depths if is necessary, unlike geotextile containers, which have to be installed at relatively greater water depth (Lawson 2008)
Summary
Geotextile-encapsulated sand elements are three-dimensional systems manufactured from geotextile materials filled with sand.They form a sub-group part of a wider system of geosynthetic solutions for erosion control which are known as Geosystems.There are three different types of elements, namely geotextile bags, geotextile tubes and geotextile containers.These elements are used in coastal engineering structures such as groins and breakwaters as an alternative to rubble mound quarry stone e.g. as core material. The main purpose of this paper is to analyze geosystems as a reliable alternative for conventional defense
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