Astm D338518 Pdf ((top))

Forces the water within it to flow strictly vertically. Measurements are taken exclusively from the inner ring to isolate the true, one-dimensional vertical infiltration rate. Technical Specifications and Equipment

Civil engineering projects require strict adherence to code standards. Citing the official ASTM document protects projects from liabilities and ensures approval from municipal building departments and environmental protection agencies. astm d338518 pdf

The standard explicitly notes specific constraints where the double-ring method becomes inaccurate or completely impractical: Forces the water within it to flow strictly vertically

Understanding ASTM D3385-18: Field Infiltration Rate of Soils Using Double-Ring Infiltrometer astm d338518 pdf