ASTM D3385-18 specifies the standard test method for measuring the infiltration rate of soils in the field using a double-ring infiltrometer
Standard Test Method for Infiltration Rate of Soils in Field Using Double-Ring Infiltrometer astm d338518 pdf
Depending on your project, other standards may be more appropriate: ASTM D3385-18 specifies the standard test method for
Test principle and equipment
Outer Ring: Usually 24 inches (600 mm) in diameter. It acts as a buffer to limit the lateral spread of water, ensuring that water from the inner ring moves in a one-dimensional, vertical flow for more accurate results. Test Procedure and Methodology Conduct a literature review to find existing research