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Filter media in a retaining wall is used to prevent the buildup of hydrostatic pressure behind the wall by allowing water to drain while retaining soil particles. Typically composed of gravel or sand, this material facilitates the flow of water through drainage systems while preventing soil erosion. Properly designed filter media helps maintain the structural integrity of the retaining wall and prolongs its lifespan by reducing the risk of failure due to water accumulation. It's crucial to select the right type and size of filter media to ensure optimal performance.

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1w ago

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