ASTM D3385-18 establishes a standard field method for measuring soil infiltration rates using double-ring infiltrometers to assess hydraulic conductivity. This procedure involves maintaining a constant water head in concentric rings, measuring vertical water flow to determine the infiltration rate [1]. You can access the full standard through the ASTM website .
ASTM D3385-18 explicitly warns about several pitfalls: astm d338518 pdf
: The outer ring acts as a buffer zone, limiting the lateral spread of water so that the liquid in the inner ring infiltrates primarily in a vertical, one-dimensional direction. Standardized Apparatus ASTM D3385-18 establishes a standard field method for
is the standard test method for measuring the infiltration rate of soils in the field using a double-ring infiltrometer. It is primarily used for fine-grained soils to determine how quickly water or other liquids penetrate the ground surface. Core Test Methodology ASTM D3385-18 explicitly warns about several pitfalls: :
: The standard references several other ASTM standards and documents, including those on geotextile sampling and conditioning.
The ASTM D3385-18 method is highly specialized and not suitable for all soil conditions:
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