ASTM D3385-18 is a standard test method published by ASTM International. The designation "18" indicates the version approved or reapproved in the year 2018.
Engineers must carefully select a level test site. The rings are driven vertically into the soil using a driving plate and hammer to ensure a snug fit and prevent water leakage. In stiff or dry soils, a trench may be excavated to facilitate installation. Following installation, a constant or falling head of water is maintained in both rings. astm d338518 pdf
). The incremental infiltration velocity is plotted against elapsed time to visually identify when the curve flattens into a steady-state rate. Applications of ASTM D3385-18 ASTM D3385-18 is a standard test method published