Astm D338518 Pdf
Driving the rings can artificially compact fine-grained soils, leading to a slight underestimation of the true infiltration rate. Sourcing the ASTM D3385-18 PDF
The data derived from this test standard is vital across several major sectors:
ASTM D3385-18 references several other ASTM standards that may be used in conjunction with it for comprehensive soil testing and site characterization:
Geotextiles are used in a wide array of applications, from road construction and coastal protection to landfill engineering and hydraulic structures. Their primary function is to improve the stability and performance of soil structures by providing filtration, separation, reinforcement, and protection. Given their critical role, it's essential to understand and accurately predict their behavior under various conditions, including hydraulic flow and soil interaction. astm d338518 pdf
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You may conduct tests on bare soil or leave natural vegetation in place, depending on the conditions you are analyzing. Phase 2: Installing the Rings
= Volume of water added to the inner ring during the interval ( cm3cm cubed = Internal cross-sectional area of the inner ring ( cm2cm squared = Time interval ( hourshours minutesminutes The final result is usually expressed in inches per hour ( in/hrin/hr ) or centimeters per hour ( cm/hrcm/hr Given their critical role, it's essential to understand
( Standard Test Method for Infiltration Rate of Soils in Field Using Double-Ring Infiltrometer ) outlines a consistent, repeatable procedure for measuring field infiltration. The test utilizes two concentric rings driven into the soil, which are then filled with water or a specific test liquid.
Over decades, engineers used D3385 to design septic system drainfields, landfill covers, stormwater basins, and irrigation schedules. They found that a single infiltrometer test, done properly, could save millions in over-designed drainage or prevent failures from underestimated infiltration.
While highly effective, ASTM D3385-18 is not universally applicable. Engineers must be aware of its limitations: The test utilizes two concentric rings driven into
: Designing Sustainable Drainage Systems (SuDS), retention ponds, and bioswales.
It only measures the infiltration capacity of the topmost layer of soil (the upper 30–60 cm). It does not account for deeper, impermeable clay or bedrock layers that might cause a water table to rise over time.
ASTM D3385-18 is the standard test method established by the American Society for Testing and Materials (ASTM) for measuring the .
