Astm D338518 Pdf -

The standard explicitly states that it does not purport to address all safety concerns associated with its use. It is the responsibility of the user to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Users should be aware of potential hazards associated with handling water and equipment in field settings, as well as environmental considerations when conducting tests.

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Estimating seepage from canals, reservoirs, or retention ponds. 3. The Double-Ring Infiltrometer Apparatus astm d338518 pdf

| Standard | Focus | Key Difference | |----------|-------|----------------| | | Field infiltration using single-ring infiltrometer | No outer ring; corrects for lateral flow mathematically. | | ASTM D5126 | Laboratory measurement of hydraulic conductivity (constant head) | Uses undisturbed soil cores. | | ASTM D3385 (older versions) | Same method but outdated references | No longer compliant with current specs. | | ISO 14388-2 | Double-ring infiltrometer (international version) | Different ring dimensions and reporting format. |

Very plastic (fat) clays or highly compacted soils where ring driving causes severe fracturing.

ASTM D3385-18 outlines the standard field procedure for measuring soil infiltration rates using a double-ring infiltrometer to manage water, design septic systems, and evaluate groundwater recharge. The test requires driving 300 mm and 600 mm diameter rings into the soil, followed by a one-hour presoaking period, before measuring the volume of water required to maintain a constant head. For a complete overview of the procedure, refer to the document at my.civil.utah.edu . The standard explicitly states that it does not

If you have searched for , you are likely looking for a digital copy of this specific version (2018 edition) for research, compliance, or education. This article will explain what the standard covers, why the 2018 version matters, how to legally obtain the PDF, and keys to correctly applying the test method.

In clean gravel or highly fractured rock formations, water drains instantly out of the rings, making it impossible to maintain a measurable hydraulic head.

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Serves as the actual measurement zone. Because lateral flow is mitigated by the outer ring, the drop in water level (or volume added) in the inner ring accurately reflects true vertical infiltration. Technical Specifications and Equipment

The data generated from a test following the standard is crucial in several fields:

). 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