A synthetic fabric used underground to filter, separate soil layers, or reinforce weak ground.
A permeable synthetic fabric used in construction applications including filtration, separation, reinforcement, and drainage. Geotextiles prevent soil migration into drainage aggregate (filter function), separate different soil layers (separation function), and can reinforce weak subgrades under fills or pavements. Types include woven and nonwoven geotextiles with different properties for each application.
A nonwoven geotextile was specified under the drainage aggregate to prevent subgrade fines from migrating up and clogging the stone.
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