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GCSE Design and Technology · key term
A permeable textile used with soil, for example to support drainage and protect against erosion.
Used by Edexcel and Eduqas
Specification 1.4.3 · Paper 1
A textile used mainly in civil engineering at or below ground level for functions such as support, drainage and separation.
Revise: Technical TextilesGeotextiles are woven, knitted or non-woven fabrics used mainly in civil engineering at or below ground level. Applications include road construction, coastal engineering, dams and drainage systems.
Component 1
Link a property to its purpose: strength helps a geotextile resist tearing when supporting or separating ground layers.
Distinguish construction textiles, used in buildings and structures, from geotextiles, used mainly at or below ground level.
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A permeable textile used with soil to separate, filter, reinforce, protect or drain in landscaping and construction.
Geotextiles are permeable fabrics used with soil. Permeable means that water can pass through them. They are commonly made from polypropylene or polyester and may be woven, needle-punched or heat-bonded.
